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Chemistry, 19.01.2021 07:40 sierradanielle9280

An atomic mass unit equals A. The number of protons in the nucleus of each atom.
B. The mass of an electron.
C. The sum of the masses of protons and neutrons in an atom.
D. The mass of one proton or neutron.

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An atomic mass unit equals A. The number of protons in the nucleus of each atom.
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