The mass number of an atom is?

Chemistry

JAMB 1981

A. the number of electrons in the atom
B. the number of protons in the nucleus of the atom
C. the number of neutrons in the nucleus of the atom
D. the sum of numbers of electrons and protons inthe atom
E. the sum of numbers of proton and neutrons in the nucleus of the atom

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Correct Answer: Option E

Explanation

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The mass number of an atom is?

Correct Answer: Option E

Explanation

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