Whether calcium chloride is an element, compound or a mixture is to be explained. Concept introduction: An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical. A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction . The property of a compound is different from the properties of the constituent elements. A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

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Answer 1

Question

Chapter 2, Problem 2.4P

(a)

Interpretation Introduction

Interpretation:

Whether calcium chloride is an element, compound or a mixture is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(b)

Interpretation Introduction

Interpretation:

Whether the octatomic molecule of sulfur is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(c)

Interpretation Introduction

Interpretation:

Whether baking powder composed of 26−30% sodium hydrogen carbonate and 30−35% calcium dihydrogen phosphate by mass is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(d)

Interpretation Introduction

Interpretation:

Whether cytosine, a component of DNA consisting of H, C, N and O atoms bonded in a specific arrangement, is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

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Answer 2

Question

Chapter 2, Problem 2.4P

(a)

Interpretation Introduction

Interpretation:

Whether calcium chloride is an element, compound or a mixture is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(b)

Interpretation Introduction

Interpretation:

Whether the octatomic molecule of sulfur is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(c)

Interpretation Introduction

Interpretation:

Whether baking powder composed of 26−30% sodium hydrogen carbonate and 30−35% calcium dihydrogen phosphate by mass is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(d)

Interpretation Introduction

Interpretation:

Whether cytosine, a component of DNA consisting of H, C, N and O atoms bonded in a specific arrangement, is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

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Answer 3

Question

Chapter 2, Problem 2.4P

(a)

Interpretation Introduction

Interpretation:

Whether calcium chloride is an element, compound or a mixture is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(b)

Interpretation Introduction

Interpretation:

Whether the octatomic molecule of sulfur is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(c)

Interpretation Introduction

Interpretation:

Whether baking powder composed of 26−30% sodium hydrogen carbonate and 30−35% calcium dihydrogen phosphate by mass is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(d)

Interpretation Introduction

Interpretation:

Whether cytosine, a component of DNA consisting of H, C, N and O atoms bonded in a specific arrangement, is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

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Answer 4

Question

Chapter 2, Problem 2.4P

(a)

Interpretation Introduction

Interpretation:

Whether calcium chloride is an element, compound or a mixture is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(b)

Interpretation Introduction

Interpretation:

Whether the octatomic molecule of sulfur is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(c)

Interpretation Introduction

Interpretation:

Whether baking powder composed of 26−30% sodium hydrogen carbonate and 30−35% calcium dihydrogen phosphate by mass is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(d)

Interpretation Introduction

Interpretation:

Whether cytosine, a component of DNA consisting of H, C, N and O atoms bonded in a specific arrangement, is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

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Answer 5

Chapter 2, Problem 2.4P

(a)

Interpretation Introduction

Interpretation:

Whether calcium chloride is an element, compound or a mixture is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(b)

Interpretation Introduction

Interpretation:

Whether the octatomic molecule of sulfur is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(c)

Interpretation Introduction

Interpretation:

Whether baking powder composed of 26−30% sodium hydrogen carbonate and 30−35% calcium dihydrogen phosphate by mass is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

(d)

Interpretation Introduction

Interpretation:

Whether cytosine, a component of DNA consisting of H, C, N and O atoms bonded in a specific arrangement, is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

Answer 6

Chapter 2, Problem 2.4P

(a)

Interpretation Introduction

Interpretation:

Whether calcium chloride is an element, compound or a mixture is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

Answer 7

Chapter 2, Problem 2.4P

(a)

Interpretation Introduction

Interpretation:

Whether calcium chloride is an element, compound or a mixture is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

Answer 8

(b)

Interpretation Introduction

Interpretation:

Whether the octatomic molecule of sulfur is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

Answer 9

(b)

Interpretation Introduction

Interpretation:

Whether the octatomic molecule of sulfur is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

Answer 10

(c)

Interpretation Introduction

Interpretation:

Whether baking powder composed of 26−30% sodium hydrogen carbonate and 30−35% calcium dihydrogen phosphate by mass is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

Answer 11

(c)

Interpretation Introduction

Interpretation:

Whether baking powder composed of 26−30% sodium hydrogen carbonate and 30−35% calcium dihydrogen phosphate by mass is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

Answer 12

(d)

Interpretation Introduction

Interpretation:

Whether cytosine, a component of DNA consisting of H, C, N and O atoms bonded in a specific arrangement, is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

Answer 13

(d)

Interpretation Introduction

Interpretation:

Whether cytosine, a component of DNA consisting of H, C, N and O atoms bonded in a specific arrangement, is an element, compound or a mixture, is to be explained.

Concept introduction:

An element can be defined as the simplest type of matter which is composed of only one kind of atom and cannot be broken down further. The properties of all the atoms of an element are identical.

A compound is defined as a substance formed by the combination of two or more different elements in a fixed proportion via a chemical reaction. The property of a compound is different from the properties of the constituent elements.

A mixture consists of a combination of two or more compounds or elements or compound and an element which are physically intermingled.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 2.1 - Does each of the following scenes best represent...Ch. 2.1 - Describe the following representation of a...Ch. 2.2 - Prob. 2.2AFP Ch. 2.2 - Prob. 2.2BFP Ch. 2.3 - Prob. 2.3AFP Ch. 2.3 - Prob. 2.3BFP Ch. 2.5 - Titanium, the ninth most abundant element, is used...Ch. 2.5 - Prob. 2.4BFP Ch. 2.5 - Prob. 2.5AFP Ch. 2.5 - Boron (B; Z = 5) has two naturally occurring...

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