What is the mass number of an element that has 21 protons, 21 electrons, and 22 neutrons?

Diffeomorphism asked Aug 21, 2023

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What is the mass number of an element that has 21 protons, 21 electrons, and 22
neutrons?

Diffeomorphism asked Aug 21, 2023

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21 votes

Answer:

Step-by-step explanation:

Mass number(M) = Proton number + Neutron number

M=21+22

M=43

Giggsey answered Aug 25, 2023

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