Particle Motion & Acids, Bases, pH Scale

Front

What happens to particles as they increase in movement?

Back

They spread out and move faster.

Front

What is the pH of pure water?

Back

7, and it is a neutral substance.

Front

Which ion is more present in a basic solution?

Back

OH- (hydroxide ion).

Front

What occurs when a gas loses energy and enters the liquid phase?

Back

Condensation occurs.

Front

True or False: When an acid is dissolved in water, it turns red litmus paper blue.

Back

False.

Front

What is the definition of an acid?

Back

A substance that donates protons (H+) in a solution.

Front

What is the definition of a base?

Back

A substance that accepts protons (H+) or donates hydroxide ions (OH-) in a solution.

Front

What does the pH scale measure?

Back

The acidity or basicity of a solution.

Front

What is the pH range for acids?

Back

Below 7.

Front

What is the pH range for bases?

Back

Above 7.