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AP Bio 3.3

Acids and Bases

QuestionAnswer
What is a hydrogen ion? a single proton with a 1+ charge
What is a hydroxide ion? a water molecule that lost a proton and has a 1- charge
What is an acid? a substance that increases the hydrogen ion concentration of a solution
What is a base? a substance that reduces the hydrogen ion concentration of a solution
What is pH? the negative logarithm of the hydrogen ion concentration
Are bases higher or lower of the pH scale? higher
Are acids higher or lower on the pH scale? lower
What is a buffer? a substance that minimizes changes in the concentrations of H+ and OH-
What is acid precipitation? precipitation with a pH lower than 5.6
Created by: EmilyHB
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