| A | B |
| acid | a substance that contains hydrogen and turns blue litmus red is an |
| base | a substances that releases hydroxide ions in solution and turns red litmus paper blue is |
| concentration dissociate | is the measure of determining the concentration of an acid or base |
| hydronium ion | a hydrated proton, H3O+ is a |
| hydroxide ion | OH- |
| pH | is the measure of the hydronium ion concentration in a solution |
| indicator | a substances that indicates the presence or absence of a substance by changing color |
| litmus | is a dye produced from lichens that reacts to acids and bases |
| negative ion | is an atom that has gained electrons while the number of protons remains the same |
| positive ion | is an atom that has lost lost electrons while the number of protons remains the same |
| neutralization | chemical process by which an acid and a base react to form a salt and water |
| titration | a common method for determining the concentration of a solution of unknown value |