The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element? (A) A + Z (B) A - Z (C) A (D) Z

The atomic weight and atomic number of an element are A and Z
respectively. What is the number of neutrons in the atom of that element?
(A) A + Z
(B) A - Z
(C) A
(D) Z
by

1 Answer

Answer :

(B) A - Z
by

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