1.2 - Classifications of Matter

Question 1

States of Matter

Answer 1

The three forms by which matter is classified: solid, liquid, and gas

Question 2

Gas

Answer 2

The state in which matter has no fixed volume or shape

Question 3

Liquid

Answer 3

The state in which matter has definite volume but has no specific shape

Question 4

Solid

Answer 4

The state in which matter has a definite shape and volume

Question 5

Pure Substance

Answer 5

Matter that has distinct properties and constant composition

Question 6

Elements

Answer 6

Pure substances that cannot be decomposed into simpler substances

Question 7

Compound

Answer 7

A substance composed of two or more elements; contains two or more kinds of atoms

Question 8

Mixture

Answer 8

A combination of two or more substances in which each substance retains its own chemical identity

Question 9

Law of Constant Composition

Answer 9

The observation that the elemental composition of a pure compound is always the same

Question 10

Law of Definite Proportions

Answer 10

The observation that the elemental composition of a pure compound is always the same

Question 11

Heterogeneous Mixture

Answer 11

A mixture without uniform composition, properties, and appearance throughout

Question 12

Homogeneous Mixture

Answer 12

A mixture with uniform composition, properties, and appearance throughout

Question 13

Solution

Answer 13

A homogeneous mixture