Chapter 2 Matter

Question 1

Chemistry

Answer 1

The scientific study of composition, structure, and the properties of matter and the changes of matter.

Question 2

Matter

Answer 2

Everything that has mass and takes up space.

Question 3

Element

Answer 3

A substance that can’t be separated or broken down into simpler substances by chemical means.

Question 4

Atom

Answer 4

The smallest unit of an element that maintains the properties of that element.

Question 5

Compound

Answer 5

A substance made of atoms of two or more different elements that combined chemically .

Question 6

Molecule

Answer 6

The smallest unit of a substance that keeps all the physical and chemical properties of that substance.

Question 7

Chemical Formula

Answer 7

A combination of chemical symbols and numbers to represent a substance.

Question 8

Pure Substance

Answer 8

A sample of matter, single element or single compound, that has definite chemical and physical properties.

Question 9

Heterogeneous Mixture

Answer 9

Substances are not mixed uniformly and are not evenly distributed.

Question 10

Homogeneous Mixture

Answer 10

Substances are evenly distributed, and the mixture is the same throughout.

Question 11

Miscible

Answer 11

Substances that can be mixed.

Question 12

Immiscible

Answer 12

Substances that can’t be mixed.