(a) Interpretation: The element C is to be classified as a metal, nonmetal, or semimetal. Concept introduction: An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number . In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Question

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Answer 1

Question

Chapter 3, Problem 28E

Interpretation Introduction

(a)

Interpretation:

The element C is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element carbon (C) is classified as a nonmetal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Carbon (C) has an atomic number of 6. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, carbon (C) is a nonmetal.

Conclusion

The element carbon (C) is classified as a nonmetal.

Interpretation Introduction

(b)

Interpretation:

The element Ca is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element calcium (Ca) is classified as a metal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Calcium (Ca) has an atomic number of 20. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, calcium (Ca) is a metal.

Conclusion

The element calcium (Ca) is classified as a metal.

Interpretation Introduction

(c)

Interpretation:

The element Cl is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element chlorine (Cl) is classified as a nonmetal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Chlorine (Cl) has an atomic number of 17. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, chlorine (Cl) is a nonmetal.

Conclusion

The element chlorine (Cl) is classified as a nonmetal.

Interpretation Introduction

(d)

Interpretation:

The element Cu is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element copper (Cu) is classified as a metal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Copper (Cu) has an atomic number of 29. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, copper (Cu) is a metal.

Conclusion

The element copper (Cu) is classified as a metal.

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Answer 2

Question

Chapter 3, Problem 28E

Interpretation Introduction

(a)

Interpretation:

The element C is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element carbon (C) is classified as a nonmetal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Carbon (C) has an atomic number of 6. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, carbon (C) is a nonmetal.

Conclusion

The element carbon (C) is classified as a nonmetal.

Interpretation Introduction

(b)

Interpretation:

The element Ca is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element calcium (Ca) is classified as a metal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Calcium (Ca) has an atomic number of 20. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, calcium (Ca) is a metal.

Conclusion

The element calcium (Ca) is classified as a metal.

Interpretation Introduction

(c)

Interpretation:

The element Cl is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element chlorine (Cl) is classified as a nonmetal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Chlorine (Cl) has an atomic number of 17. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, chlorine (Cl) is a nonmetal.

Conclusion

The element chlorine (Cl) is classified as a nonmetal.

Interpretation Introduction

(d)

Interpretation:

The element Cu is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element copper (Cu) is classified as a metal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Copper (Cu) has an atomic number of 29. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, copper (Cu) is a metal.

Conclusion

The element copper (Cu) is classified as a metal.

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Answer 3

Question

Chapter 3, Problem 28E

Interpretation Introduction

(a)

Interpretation:

The element C is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element carbon (C) is classified as a nonmetal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Carbon (C) has an atomic number of 6. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, carbon (C) is a nonmetal.

Conclusion

The element carbon (C) is classified as a nonmetal.

Interpretation Introduction

(b)

Interpretation:

The element Ca is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element calcium (Ca) is classified as a metal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Calcium (Ca) has an atomic number of 20. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, calcium (Ca) is a metal.

Conclusion

The element calcium (Ca) is classified as a metal.

Interpretation Introduction

(c)

Interpretation:

The element Cl is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element chlorine (Cl) is classified as a nonmetal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Chlorine (Cl) has an atomic number of 17. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, chlorine (Cl) is a nonmetal.

Conclusion

The element chlorine (Cl) is classified as a nonmetal.

Interpretation Introduction

(d)

Interpretation:

The element Cu is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element copper (Cu) is classified as a metal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Copper (Cu) has an atomic number of 29. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, copper (Cu) is a metal.

Conclusion

The element copper (Cu) is classified as a metal.

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Answer 4

Question

Chapter 3, Problem 28E

Interpretation Introduction

(a)

Interpretation:

The element C is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element carbon (C) is classified as a nonmetal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Carbon (C) has an atomic number of 6. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, carbon (C) is a nonmetal.

Conclusion

The element carbon (C) is classified as a nonmetal.

Interpretation Introduction

(b)

Interpretation:

The element Ca is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element calcium (Ca) is classified as a metal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Calcium (Ca) has an atomic number of 20. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, calcium (Ca) is a metal.

Conclusion

The element calcium (Ca) is classified as a metal.

Interpretation Introduction

(c)

Interpretation:

The element Cl is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element chlorine (Cl) is classified as a nonmetal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Chlorine (Cl) has an atomic number of 17. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, chlorine (Cl) is a nonmetal.

Conclusion

The element chlorine (Cl) is classified as a nonmetal.

Interpretation Introduction

(d)

Interpretation:

The element Cu is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element copper (Cu) is classified as a metal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Copper (Cu) has an atomic number of 29. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, copper (Cu) is a metal.

Conclusion

The element copper (Cu) is classified as a metal.

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Answer 5

Chapter 3, Problem 28E

Interpretation Introduction

(a)

Interpretation:

The element C is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element carbon (C) is classified as a nonmetal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Carbon (C) has an atomic number of 6. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, carbon (C) is a nonmetal.

Conclusion

The element carbon (C) is classified as a nonmetal.

Interpretation Introduction

(b)

Interpretation:

The element Ca is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element calcium (Ca) is classified as a metal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Calcium (Ca) has an atomic number of 20. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, calcium (Ca) is a metal.

Conclusion

The element calcium (Ca) is classified as a metal.

Interpretation Introduction

(c)

Interpretation:

The element Cl is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element chlorine (Cl) is classified as a nonmetal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Chlorine (Cl) has an atomic number of 17. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, chlorine (Cl) is a nonmetal.

Conclusion

The element chlorine (Cl) is classified as a nonmetal.

Interpretation Introduction

(d)

Interpretation:

The element Cu is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element copper (Cu) is classified as a metal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Copper (Cu) has an atomic number of 29. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, copper (Cu) is a metal.

Conclusion

The element copper (Cu) is classified as a metal.

Answer 6

Chapter 3, Problem 28E

Interpretation Introduction

(a)

Interpretation:

The element C is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element carbon (C) is classified as a nonmetal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Carbon (C) has an atomic number of 6. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, carbon (C) is a nonmetal.

Conclusion

The element carbon (C) is classified as a nonmetal.

Answer 7

Chapter 3, Problem 28E

Interpretation Introduction

(a)

Interpretation:

The element C is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Answer 8

Expert Solution

Answer to Problem 28E

The element carbon (C) is classified as a nonmetal.

Answer 9

Expert Solution

Answer 10

Expert Solution

Answer 11

Expert Solution

Answer 12

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Carbon (C) has an atomic number of 6. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, carbon (C) is a nonmetal.

Answer 13

Conclusion

The element carbon (C) is classified as a nonmetal.

Answer 14

Interpretation Introduction

(b)

Interpretation:

The element Ca is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element calcium (Ca) is classified as a metal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Calcium (Ca) has an atomic number of 20. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, calcium (Ca) is a metal.

Conclusion

The element calcium (Ca) is classified as a metal.

Answer 15

Interpretation Introduction

(b)

Interpretation:

The element Ca is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Answer 16

Expert Solution

Answer to Problem 28E

The element calcium (Ca) is classified as a metal.

Answer 17

Expert Solution

Answer 18

Expert Solution

Answer 19

Expert Solution

Answer 20

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Calcium (Ca) has an atomic number of 20. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, calcium (Ca) is a metal.

Answer 21

Conclusion

The element calcium (Ca) is classified as a metal.

Answer 22

Interpretation Introduction

(c)

Interpretation:

The element Cl is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element chlorine (Cl) is classified as a nonmetal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Chlorine (Cl) has an atomic number of 17. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, chlorine (Cl) is a nonmetal.

Conclusion

The element chlorine (Cl) is classified as a nonmetal.

Answer 23

Interpretation Introduction

(c)

Interpretation:

The element Cl is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Answer 24

Expert Solution

Answer to Problem 28E

The element chlorine (Cl) is classified as a nonmetal.

Answer 25

Expert Solution

Answer 26

Expert Solution

Answer 27

Expert Solution

Answer 28

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Chlorine (Cl) has an atomic number of 17. It is placed at the right of the periodic table and it has the properties more similar to nonmetals. Thus, chlorine (Cl) is a nonmetal.

Answer 29

Conclusion

The element chlorine (Cl) is classified as a nonmetal.

Answer 30

Interpretation Introduction

(d)

Interpretation:

The element Cu is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Expert Solution

Answer to Problem 28E

The element copper (Cu) is classified as a metal.

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Copper (Cu) has an atomic number of 29. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, copper (Cu) is a metal.

Conclusion

The element copper (Cu) is classified as a metal.

Answer 31

Interpretation Introduction

(d)

Interpretation:

The element Cu is to be classified as a metal, nonmetal, or semimetal.

Concept introduction:

An element is a substance that cannot be broken down into any smaller units. An element can be classified as metal, nonmetal or metalloid. The elements in a modern periodic table are arranged in an increasing order of their atomic number. In this modern periodic table, the horizontal rows are said to be periods and vertical columns are said to be groups. There are seven periods and eighteen groups in a modern periodic table.

Answer 32

Expert Solution

Answer to Problem 28E

The element copper (Cu) is classified as a metal.

Answer 33

Expert Solution

Answer 34

Expert Solution

Answer 35

Expert Solution

Answer 36

Explanation of Solution

In the periodic table, the metals are arranged on the left of the periodic table, the nonmetals are arranged on the right of the periodic table and the semimetals are arranged in between the metals and nonmetals.

The elements which have metallic luster, high electropositivity, have high thermal and electrical conductivities and high malleability and ductility are classified as metals.

The elements which are brittle, exist in powdery solids or gaseous form, have high electronegativity and the properties opposite to that of metals are classified as nonmetals.

The elements having properties in between of metals and nonmetals are classified as semimetals.

Copper (Cu) has an atomic number of 29. It is placed at the left of the periodic table and it has the properties more similar to metals. Thus, copper (Cu) is a metal.