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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

asked Jun 13, 2017 211k views

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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

Chemistry
high-school

Gjert asked

by Gjert

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The mass number of an atom is obtained by totalling up the number of protons and neutrons there are for that atom.

Brzozow answered Jun 18, 2017

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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