Question

How can I come to know the neutron of an element?
And how to represent it in the inner most circle of the diagram
Please answer I am stuck in this question since long

Answer 1

Answer:

2nd answer is the pic

Ans1.) The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus. The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z)

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