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Acid
- produce H+ (hydrogen ions) in solution
- Acids<7 pH
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Adhesion
- attractive force, holds molecules of different substances together
- -ex: water and glass
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Atom
- Have protons, neutrons, and electrons
- Identified by number of protons
- (about 116 we know of)
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Cohesion
- attractive force, holds molecules of a single substance together
- -ex: water
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pH
- Measures hydrogen ion concentration (negative log)
- Scale of 0-14
- Acids<7
- 7 neutral
- Bases>7
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