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Chemistry is the study of matter
the smallest piece of an element is atom
what is an atom that loses or gains electrons called ion
what is a group of atoms joined together chemically called molecule
the atomic # is based on the # of _ an element has. protons
the atomic mass is the approximate # of_. protons and neutrons
electrons travel around the nucleus of the atom in a space called a _. shell
a substance with only 1 kind of atom is an element
a base has a _ taste bitter
acids have a _ taste. sour
chalk is a _. salt
what is slippery to touch base
Created by: horseluver24