If an atom's atomic number is given by Z, its atomic mass by A, and its neutron

Question

If an atom's atomic number is given by Z, its atomic mass by A, and its neutron number by N, which of the following is correct?

Options:

A . N = A + Z

B . N = Z - A

C . N = A - Z

D . None of the above is correct.

Answer: Option C

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