Science, asked by depressesoul, 8 months ago

An element X has 20 neutrons, 17 protons, and 17 electrons. Its mass number is?

Answers

Answered by khushi40128

1

Answer:

Mass number :37

Explanation:

Mass number=Neutron + Atomic no.

37 = 20 + 17

Atomic number =proton =electron

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