Basic Chem (2.1), Water Properties and pH (2.2)

Front

What particle uniquely identifies an element?

Back

Number of Protons

Front

What is the process called when water dissociates into H+ and OH- ions?

Back

Dissociation

Front

What ions does water dissociate into?

Back

H+ and OH- ions

Front

What subatomic particles are found in the nucleus of an atom?

Back

Protons and Neutrons

Front

What happens to the H+ concentration when HCl is added to water?

Back

The H+ concentration will increase

Front

What is the pH scale used for?

Back

To measure the acidity or basicity of a solution.

Front

What is a neutral pH value?

Back

7

Front

What is an acidic solution?

Back

A solution with a pH less than 7.

Front

What is a basic solution?

Back

A solution with a pH greater than 7.

Front

What is the role of water in chemical reactions?

Back

Water acts as a solvent and participates in reactions.