Acids & Bases Vocabulary

A negatively charged ion. These are ions which have gained electrons.

• Cation

• Hydrogen Ion

• Anion

• Hydroxide Ion

a negatively charged ion (OH)-

• hydroxide ion

• hydrogen

• pH scale

• carbon

A measure of how acidic or basic a substance is

• Kelin Scale

• Mohl Scale

• pH Scale

• Scoville Scale

If it feels slippery, a substance is

• an acid

• a base

An excess of H+ ions - can taste sour

• Acid

• Base

• Anion

• Cation

represented by the symbol H⁺

• hydrogen ion

• hydroxide

• indicator

• pH scale

An excess of OH- ions that taste bitter

• Acid

• pH Scale

• Hydrogen Ion

• Base

If it tastes sour, a substance is

• an acid

• a base

a compound that changes color at a specific pH value is called

• indicator

• compound

• pH scale

• acids & bases

A positively charged ion. This ion has lost electrons

• Hydroxide Ion

• Anion

• Indicators

• Cation