mel21688 mel21688
  • 15-09-2016
  • Biology
contestada

What is the mass number of an atom thy contains 42 protons, 42 elections, and 53 neutrons

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JosephinaTrevino
JosephinaTrevino JosephinaTrevino
  • 15-09-2016
the mass number of an atom that contains 42protons and 42 electrons with 53 neutrons is calculated is the mass number= numbers of protons + number of electrons

42+53=95 
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