Unit 2: Matter Review

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is a heterogeneous mixture?

Back

A mixture in which the components are not uniformly distributed and can be easily distinguished.

Front

What is a homogeneous mixture?

Back

A mixture in which the components are uniformly distributed and cannot be easily distinguished.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is volume?

Back

The amount of space taken up by an object.

Front

What is mass?

Back

A measure of the amount of matter in an object, typically measured in grams or kilograms.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What are the states of matter?

Back

Solid, liquid, gas, and plasma.

Front

What is a physical property?

Back

A characteristic of a substance that can be observed or measured without changing its identity.