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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