umusNoi9Milaura umusNoi9Milaura

25-01-2017
Chemistry

contestada

PLEASE HELP!!!
What is the atomic mass number equal to?
? # electrons
? # protons + # electrons
? # protons
? # protons - # electrons

Respuesta :

Chetan1 Chetan1

25-01-2017

atomic no = no of electrons present in atom
and atomic mass = no of protons + no of neutrons

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