lily2684 lily2684
  • 26-03-2015
  • Chemistry
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what two particles make up the atomic mass of an atom?

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Аноним Аноним
  • 26-03-2015
Neutrons and protons are the two particles that make up the atomic mass of an atom. Including Electrons.
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SwaggyL
SwaggyL SwaggyL
  • 26-03-2015
Neutrons and protons tell and also electrons but the main two are neutrons and protons
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