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10 Cards in this Set

  • Front
  • Back
Acid
a substance which can form hydrogen ions (H+) in solution
alkali
a base that is soluble in water
atom
particles too small to see, that make up all matter
base
a substance which can form hydroxide ions (OH-) in solution
chemical bond
an attractive force between atoms holding them together
compound
a pure substance that contains atoms of 2 or more elements combined in a fixed ratio
electron
a tiny negatively charged particle found in the space around a nucleus
indicator
a substance that turns different colours in acid and basic solutions
ion
an atom or group of atoms that has a positive or negative charge
isotopes
atoms of the same element that have different numbers of neutrons