Question

If the mass number of an atom is 100 and the number of neutrons is 60. Then what is it's atomic number?​

Answer 1

mass no.-no. of neutrons is atomic no.

100-60=40 also this element is Zirconium

Answer 2

Answer:

40

Explanation:

because mass no - neutrons = protons.

so, 100 - 60 = 40.

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