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26-04-2016
Chemistry

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What is the mass of an atom that has 10 protons, 13 neutrons, and 10 electrons?

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Аноним Аноним

26-04-2016

mass of an atom=number of protons + number of neutrons.
mass of this atom=10 + 13=23 amu (amu=atomic mass unit).

Answer: 23 amu

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