BiancaAviles2000 BiancaAviles2000

01-03-2017
Physics

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The mass number is used to calculate the number of

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laytonjacob09 laytonjacob09

01-03-2017

atomic number is the answer

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Аноним Аноним

01-03-2017

The atomic mass of an element is the total number of protons and neutrons in the nucleus of the atom.

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