charlie4531 charlie4531
  • 22-11-2019
  • Chemistry
contestada

why does the mass number for an element differ from the average atomic mass for the element?​

Respuesta :

lilyhaitang lilyhaitang
  • 22-11-2019

Answer:

the mass number is the number of protons and neutrons added and the average atomic mass is the weight of the protons and neutrons

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