Chemistry, 06.07.2019 08:00, Kzamor

The mass number of an atom is equal to which of the following? question 15 options: the number of protons in a nucleus the number of protons plus the number of electrons in an atom the number of electrons circling the nucleus of an atom the number of protons plus the number of neutrons in a nucleus

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The mass number of an atom is equal to which of the following? question 15 options: the number of...