devnlizabem3ma7chey
devnlizabem3ma7chey devnlizabem3ma7chey
  • 21-09-2016
  • Chemistry
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How to find the mass number of an element?

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VickNeves
VickNeves VickNeves
  • 21-09-2016
Mass is the number of protons + number of neutrons. Because electrons don't have significant weight.
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