(a)
Interpretation:
Which is more likely to conduct electricity and heat: metal or non-metal should be identified.
Concept Introduction:
Elements can be classified into three categories based on their properties; that is metal, non-metal and metalloids. Metals are solid at room temperature, shiny conductors of electricity and heat, ductile and malleable. In chemical reaction, metals tend to give up electrons.
Non-metal do not conduct heat and electricity, most of the non-metals are gas at room temperature. Non-metal accept electrons at in
On the other hand, metalloids have some of the properties of metal and some of the non-metals.
(b)
Interpretation:
Which is more likely to accept electrons: metal or non-metal is to be stated.
Concept Introduction:
Elements can be classified into three categories based on their properties; that is metal, non-metal and metalloids. Metals are solid at room temperature, shiny conductors of electricity and heat, ductile and malleable. In chemical reaction, metals tend to give up electrons.
Non-metal do not conduct heat and electricity, most of the non-metals are gas at room temperature. Non-metal accept electrons at in chemical reactions.
On the other hand, metalloids have some of the properties of metal and some of the non-metals.
(c)
Interpretation:
Which is more likely to be malleable in metal and non-metal is to be stated.
Concept Introduction:
Elements can be classified into three categories based on their properties; that is metal, non-metal and metalloids. Metals are solid at room temperature, shiny conductors of electricity and heat, ductile and malleable. In chemical reaction, metals tend to give up electrons.
Non-metal do not conduct heat and electricity, most of the non-metals are gas at room temperature. Non-metal accept electrons at in chemical reactions.
On the other hand, metalloids have some of the properties of metal and some of the non-metals.
(d)
Interpretation:
Which is more likely to be gas at room temperature in metal and non-metal is to be stated.
Concept Introduction:
Elements can be classified into three categories based on their properties; that is metal, non-metal and metalloids. Metals are solid at room temperature, shiny conductors of electricity and heat, ductile and malleable. In chemical reaction, metals tend to give up electrons.
Non-metal do not conduct heat and electricity, most of the non-metals are gas at room temperature. Non-metal accept electrons at in chemical reactions.
On the other hand, metalloids have some of the properties of metal and some of the non-metals.
(e)
Interpretation:
Which is more likely to be a transition element in metal and non-metal is to be stated.
Concept Introduction:
Elements can be classified into three categories based on their properties; that is metal, non-metal and metalloids. Metals are solid at room temperature, shiny conductors of electricity and heat, ductile and malleable. In chemical reaction, metals tend to give up electrons.
Non-metal do not conduct heat and electricity, most of the non-metals are gas at room temperature. Non-metal accept electrons at in chemical reactions.
On the other hand, metalloids have some of the properties of metal and some of the non-metals.
(f)
Interpretation:
Which is more likely to lose electrons in metal and non-metal is to be stated.
Concept Introduction:
Elements can be classified into three categories based on their properties; that is metal, non-metal and metalloids. Metals are solid at room temperature, shiny conductors of electricity and heat, ductile and malleable. In chemical reaction, metals tend to give up electrons.
Non-metal do not conduct heat and electricity, most of the non-metals are gas at room temperature. Non-metal accept electrons at in chemical reactions.
On the other hand, metalloids have some of the properties of metal and some of the non-metals.
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Introduction to General, Organic and Biochemistry
- 2-59 You are presented with a Lewis dot structure of element X as X.. To which two groups in the Periodic Table might this element belong?arrow_forward3-58 In Section 2-3B, we saw that there are seven diatomic elements. (a) Draw Lewis structures for each of these diatomic elements. (b) Which diatomic elements are gases at room temperature? Which are liquids? Which are solids?arrow_forward2-43 Which group(s) of the Periodic Table contain(s): (a) Only metals? (b) Only metalloids? (c) Only nonmetals?arrow_forward
- 2-44 Which period(s) in the Periodic Table contain(s) more nonmetals than metals? Which contain(s) more metals than nonmetals?arrow_forward2-22 what makes thw difference between the isotopes of an element?arrow_forwardFig 12.1 represents a neutral lithium atom. All the particles in the atom are shown on the diagram. (a) Use Fig. 12.1 to help you answer the following questions. (1) How many electrons does this atom have? (ii) What is the value of the proton number of this atom? (ii) How many neutrons does the atom have? (iv) What is the value of the nucleon number of this atom? (b) Write the appropriate numbers in the boxes below, to represent this atom of Lithium in nuclide notation. Li orbit nucleus Fig. 12.1 (c) Lithium-6 is another isotope of lithium. It has 6nucleons. (i) What is an isotope? (ii) How many protons does Lithium-6 have? (ii) How many neutrons does Lithium-6 havearrow_forward
- Answer true or false. (a) Mendeleyev discovered that when elements are arranged in order of increasing atomic weight, certain sets of properties recur periodically.(b) Main-group elements are those in the columns 3A to 8A of the Periodic Table.(c) Nonmet.als are found at the top of the Periodic Table, metalloids in the middle, and metals at the bottom.(d) Among the US known elements,there are approximately equal numbers of metals and non metals.(e) A horizontal row in the Periodic Table is called a group.(f) The Group LA elements are called the "alkali metals"(g) The alkali metals react with water to give hydrogen gas and a metalhydroxide, MOH, where "M' is the metal."(h) The halogens are Group 7A elements.(i) The boiling points of noble gases (Group SA elements) increase goingfrom top to bottom of the column.arrow_forwardIn Example 2-1, we established that the mass ratio of magnesium to magnesium oxide is 0.455 g magnesium/ 0.755 g magnesium oxide.(a) What is the ratio of oxygen to magnesium oxide, by mass? (b) What is the mass ratio of oxygen to magnesium in magnesium oxide?(c) What is the percent by mass of magnesium in magnesium oxide?arrow_forward(a) What is the formula of the ionic compound expected to form between the elements aluminum and sulfur? (b) What is the formula of the compound formed between the ions SO32- and K+? (c) What ions make up the ionic compound FePO4 ? Cation formula Anion formulaarrow_forward
- v. Answer true or false. (a) Mendeleev discovered that, when elements are arranged in order of increasing atomic weight, certain sets of properties recur periodically. (b) Main-group elements are those in the columns 3A to 8A of the Periodic Table. (e) Nonmetals are found at the top of the Periodic Table, metalloids in the middle, and metals at the bottom. (d) Among the 116 known elements, there are approximately equal numbers of metals and nonmetals. (e) A horizontal row in the Periodic Table is called a group. () The Group 1A elements are called the "alkali metals." (g) The alkali metals react with water to give hydrogen gas and a metal hydroxide, MOH, where “M" is the metal. (h) The halogens are Group 7A elements. (1) The boiling points of noble gases (Group 8A elements) increase in going from top to bottom of the column.arrow_forwardName the following binary ionic compounds. (a) MgF2 (b) Bal2 (c) FeCl2arrow_forward(d) the ion with 74 electrons, 116 neutrons, and a +3 chargearrow_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning