Ch. 2 Properties of Water

Front

What two elements make up water?

Back

Hydrogen and oxygen.

Front

Attractions between the negative Oxygen atom of one water molecule and the positive Hydrogen atom of another water molecule are called?

Back

Hydrogen bonds.

Front

Water beads up on the surface of a penny because of what property?

Back

High Surface Tension.

Front

Water is a universal solvent because it...

Back

Dissolves most substances.

Front

When water molecules stick easily to other water molecules, this is called?

Back

Cohesion.

Front

What is the term for the property of water that allows it to rise in a narrow tube against gravity?

Back

Capillary action.

Front

What is the significance of water's high specific heat?

Back

It helps regulate temperature in the environment.

Front

What is the term for the attraction between water molecules and other substances?

Back

Adhesion.

Front

What is the pH level of pure water?

Back

7 (neutral).

Front

What happens to water when it freezes?

Back

It expands and becomes less dense.