Chapter 6 Ions Vocabulary

Front

ionization

Back

the process of forming ions

Front

hydrogen ion

Back

positively charged hydrogen atom, symbolized as H+

Front

hydronium ion

Back

hydrogen atom bonded to a water molecule

Front

hydroxide ion

Back

negatively charged oxygen and hydrogen group, symbolized as OH-

Front

acid

Back

a substance that produces hydrogen or hydronium ions in water-based solutions; normally has a pH range of 1.0 to 6.9

Front

base

Back

substance that produces hydroxide ions in water-based solutions; also called alkalis; normally has a pH of 7.1 to 14.0

Front

salt

Back

compound formed with ionic bonds from acids and bases

Front

neutral

Back

term describing a substance that has an equal number of positive and negative charges

Front

organic dyes

Back

naturally occurring color pigments that change color when exposed to acids or bases

Front

pH scale

Back

range that expresses the degree of concentration of hydrogen or hydronium ions present in a solution