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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Categorize each of the following as an element, a compound, or a mixture.

  1. (a) air
  2. (b) fluorite
  3. (c) brass
  4. (d) 18-carat gold

(a)

Interpretation Introduction

Interpretation:

The given substance has to be categorized as compound, element or mixture.

Concept Introduction:

Element: An element is consists of only one type of atom.

Compound: A compound consists of more than one type of atom, where the atoms are connected through chemical bonds and occur in a definite proportion by mass.

Mixtures: A mixture consists of two or more pure substances that can be separated by physical techniques.

Explanation

Air: It is a combination of oxygen, nitrogen, argon, carbon di-oxide and small amounts of other gases.  It is not a compound ...

(b)

Interpretation Introduction

Interpretation:

The given substance has to be categorized as compound, element or mixture.

Concept introduction:

Element: An element is consists of only one type of atom.

Compound: A compound consists of more than one type of atom, where the atoms are connected through chemical bonds and occur in a definite proportion by mass.

Mixtures: A mixture consists of two or more pure substances that can be separated by physical techniques.

(c)

Interpretation Introduction

Interpretation:

The given substance has to be categorized as compound, element or mixture.

Concept introduction:

Element: An element is consists of only one type of atom.

Compound: A compound consists of more than one type of atom, where the atoms are connected through chemical bonds and occur in a definite proportion by mass.

Mixtures: A mixture consists of two or more pure substances that can be separated by physical techniques.

(d)

Interpretation Introduction

Interpretation:

The given substance has to be categorized as compound, element or mixture.

Concept introduction:

Element: An element is consists of only one type of atom.

Compound: A compound consists of more than one type of atom, where the atoms are connected through chemical bonds and occur in a definite proportion by mass.

Mixtures: A mixture consists of two or more pure substances that can be separated by physical techniques.

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