jerr2 jerr2
  • 18-12-2016
  • Chemistry
contestada

how is the mass number calculated for an element

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SuhaaZaidi
SuhaaZaidi SuhaaZaidi
  • 18-12-2016
Find the number of protons and neutrons of that element and add them together. You might need periodic table. Hope it helps.
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Аноним Аноним
  • 18-12-2016
Mass number=Atomic number+ number of neutrons. Hope it helps
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