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vovangra [49]
10 months ago
9

How i the ma number of an atom calculated? (1 point)

Chemistry
1 answer:
Bess [88]10 months ago
4 0
Proton plus neutron is the correct answer. Protons and neutrons have a mass of 1 and electrons have a mass of 0. So in order to find the mass of an atom you need to add the number of protons and the number of neutrons.
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