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science(matter)
matter
Question | Answer |
---|---|
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 |