19jdelgadillo 19jdelgadillo
  • 07-06-2016
  • Chemistry
contestada

Which term best indicates the average mass of an atom of an element?

atomic number

mass number

group number

atomic mass

Respuesta :

MartynBH
MartynBH MartynBH
  • 07-06-2016
The answer is the atomic mass.
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Ettrak
Ettrak Ettrak
  • 07-06-2016
it is the total number of protons plus the total number of neutrons expressed in D.) atomic mass units
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