Physical or Chemical Change/Phases

Front

What is the majority phase or state of matter in the universe?

Back

Plasma

Front

What type of change shows a substance's acidity or basicity?

Back

Chemical change

Front

In which phase do molecules have the most kinetic energy?

Back

Gas

Front

In the gas phase, how are molecules arranged compared to the solid phase?

Back

Farther apart

Front

What type of change occurs when water boils?

Back

Physical change

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

What happens to the molecules in a solid when it melts?

Back

They gain energy and move farther apart.

Front

What is the process of a liquid turning into a gas called?

Back

Vaporization

Front

What is the process of a gas turning into a liquid called?

Back

Condensation