The mass number of an atom is equal to
• the sum of electrons plus neutrons in the atom...
Physics, 22.01.2020 15:31 1230bering
The mass number of an atom is equal to
• the sum of electrons plus neutrons in the atom
• the number of protons, neutrons, and electrons in an atom
• the sum of the protons plus neutrons in the atom
• the number of electrons times the mass of an electron
Answers: 2
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