uncollin2003 uncollin2003
  • 13-11-2017
  • Chemistry
contestada

An atom with 4 protons, 5 neutrons, and 4 electrons has an atomic mass of _____ amu. (Enter a whole number.)

SOMEONE PLEASE HELP

Respuesta :

gmirab
gmirab gmirab
  • 13-11-2017
I believe it would be the sum of protons & neutrons which equals 9 amu....
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Seadancer Seadancer
  • 13-11-2017
atomic mass equals the number of protons plus number of neutrons equals 4+5 = 9 amu


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