amptonixfaithrobs amptonixfaithrobs

23-09-2016
Chemistry

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The mass number of an atom is obtained by totaling the number of _____.

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mpanderla95 mpanderla95

24-09-2016

The mass number of an atom is obtained by totalling the number of protons and neutrons together.

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tech9razorblade tech9razorblade

24-09-2016

Add protons and neutrons to get the mass number of an atom

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