shyannehamilton1952 shyannehamilton1952

18-01-2022
Chemistry

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The atomic number is the Group of answer choices same as the mass number of an atom. number of protons in a nucleus. number of protons and neutrons in a nucleus. number of neutrons in a nucleus.

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rspill6 rspill6

18-01-2022

Answer:

number of protons in a nucleus

Explanation:

number of protons in a nucleus. The number of protons in the nucleus is, by definition, the atomic number.

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