Calculate the mass number of an atom with 8 protons, 12 neutrons and 10 electrons

asked Nov 7, 2022 224k views

1 vote

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5 votes

Answer: 20

Explanation: Mass number is the number of neutrons plus the number of protons. 8 + 12 gives 20.

Young Fu answered Nov 8, 2022

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2 votes

Mass number

Mass number is 20

Immayankmodi answered Nov 14, 2022

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