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Biochemistry
Term | Definition |
---|---|
atom | basic unit of matter |
element | sustance composed of only one atom |
subatomic particles of an atom | proton=+ neutron=neutral electron=- |
atomic number | number of protons in an element |
atomic mass | number of protons and neutrons in an element |
isotope | atoms of elements with different numbers of neutrons but the same amount of protons |
ion | charged particle either + or - |