Chemistry Flashcard Review 24

Front

What happens to oxygen particles when heat is added?

Back

The particles speed up.

Front

Are molecules that are not compounds?

Back

NO

Front

What is a chemical property?

Back

Reactivity with water.

Front

In which phase are particles close together but still moving freely?

Back

Liquid.

Front

What state of matter allows particles to slip past each other and take the shape of their container?

Back

Liquid.

Front

What is the definition of a compound?

Back

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

Front

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

Back

A physical property can be observed without changing the substance, while a chemical property describes a substance's ability to undergo a chemical change.

Front

What happens to particles in a solid when heat is added?

Back

They vibrate faster but remain in fixed positions.

Front

What is the state of matter with particles that are far apart and move freely?

Back

Gas.

Front

What is an example of a physical change?

Back

Melting ice.