Matter Review

Front

What is the smallest unit of a compound?

Back

A molecule.

Front

What is a substance that contains only one type of atom?

Back

An element.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

In a solution, what is the solvent?

Back

The substance that dissolves the solute, e.g., water in Kool-aid.

Front

Is melting butter for popcorn a chemical or physical change?

Back

Physical change.

Front

What is an atom?

Back

The smallest unit of an element that retains its properties.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout, e.g., saltwater.

Front

What is a heterogeneous mixture?

Back

A mixture that does not have a uniform composition, e.g., salad.