Chemistry Review

Front

What is the formula for calculating density?

Back

Density = Mass/Volume

Front

What is the process called when a solid turns into a gas?

Back

Sublimation

Front

How many periods are there on the Periodic Table?

Back

There are 7 periods.

Front

What is a pure substance that cannot be separated into simpler substances?

Back

An element.

Front

What does the number 1.00794 represent in chemistry?

Back

It represents the atomic mass of Hydrogen.

Front

What is the smallest unit of an element that retains its properties?

Back

An atom.

Front

What is a substance made of two or more elements chemically combined?

Back

A compound.

Front

What is the term for a mixture that has a uniform composition?

Back

A homogeneous mixture.

Front

What is the term for a change in which a substance changes its state but not its chemical composition?

Back

Physical change.

Front

What is the term for the amount of space an object occupies?

Back

Volume.