Question

EXERCISE # (0-1)
General Introduction :
The total number of neutrons in dipositive zinc ion with mass number 70 is
(A) 34
(C) 36
(D) 38
B) 40
Tu fainal​

Answer 1

Answer:

Mass number is defined as the sum of number of protons and neutrons that are present in an atom.

Mass number = Number of protons + Number of neutrons

So answer is 40

Hope it helps you!!!!

Answer 2

Answer:

B)40 is the right answer