Front

What is a molecule?

Back

A molecule is two or more atoms chemically bonded together.

Front

What is the boiling point?

Back

The temperature at which a liquid turns to a gas.

Front

What is an element?

Back

A pure substance that cannot be broken down into any other substance by chemical or physical means.

Front

What is a heterogeneous mixture?

Back

A mixture in which the composition is NOT uniform throughout.

Front

What are physical properties?

Back

Characteristics such as appearance, texture, and density that can be observed without changing the substance.

Front

What is a compound?

Back

A substance formed when two or more different elements are chemically bonded 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 in which the composition is uniform throughout.

Front

What is density?

Back

The mass of a substance divided by its volume.

Front

What is the freezing point?

Back

The temperature at which a liquid turns into a solid.