Bio: Acids, Bases and pH

Front

What is the pH scale?

Back

The pH scale measures how acidic or basic a solution is, ranging from 0 (strongly acidic) to 14 (strongly basic), with 7 being neutral.

Front

What pH number reflects a strong acid?

Back

A pH of 1 reflects a strong acid.

Front

What pH number reflects a strong base?

Back

A pH of 13 reflects a strong base.

Front

What pH number reflects a weak acid?

Back

A pH of 6 reflects a weak acid.

Front

What pH range indicates a base?

Back

The pH range of 7.1 to 14 indicates a base.

Front

What is an acid?

Back

An acid is a substance that donates protons (H+) in a solution and has a pH less than 7.

Front

What is a base?

Back

A base is a substance that accepts protons (H+) or donates hydroxide ions (OH-) in a solution and has a pH greater than 7.

Front

What is a neutral solution?

Back

A neutral solution has a pH of 7, meaning it is neither acidic nor basic.

Front

What is a covalent bond?

Back

A covalent bond is formed when atoms share electrons.

Front

What is an ionic bond?

Back

An ionic bond is formed when one atom donates an electron to another atom, resulting in attraction between oppositely charged ions.