NoMercy NoMercy

03-06-2016
Chemistry

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How is atomic number and mass related to protons, neutrons, & electrons?

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kotime1 kotime1

03-06-2016

The atomic number is the numbers of protons

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04-06-2016

Atomic number . . .
-- the number of protons in an atom
-- the number of electrons in a neutral atom
-- neutrons are not involved

Atomic mass . . .
-- roughly but not exactly the total of (protons + neutrons) in an atom
-- electrons are not involved

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