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sci 17
Question | Answer |
---|---|
atom | the smallest particle of an element. |
atomic number | the number protons in the nucleus of an atom. |
average atomic mass | average mass of the mixture of an elements isotopes. |
electron | particles surrounding an atom |
electron cloud | where eletrons are around the atom |
electron dot diagram | the repersentation of the eletrons on a atom diagram |
group | a colum on the periodic table |
isotope | abnormal numbers of nutrons |
mass number | protons + nutrons in an atom |
neutron | nutral particle of an atom |
nucleus | center of an atom |
period | row on the peirodic table |
periodic table | chart of elements |
proton | positive part of atom |
quark | the things that make up protons and nutrons |