charaA7lici1acint
charaA7lici1acint charaA7lici1acint
  • 11-06-2016
  • Chemistry
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The mass number of an atom is obtained by totaling the number of _____ and _____. electrons and protonselectrons /neutronsprotons and neutrons/ neutrons and isotopes

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mpanderla95
mpanderla95 mpanderla95
  • 11-06-2016
The mass number of an atom is obtained by totalling up the number of protons and neutrons there are for that atom.
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