If the mass number of an atom is $A = 0$ and its electron configuration is $1s^{2},2s^{2},2p^{6},3s^{2},3p^{6}$, the number of neutrons and protons in its nucleus will be

Question

Dr. Abubacker · Accepted Answer

(a) Number of protons $= 2 + 2 + 6 + 2 + 6 = 18$
Number of neutrons $= 40 - 18 = 22$

Q. If the mass number of an atom is $A = 0$ and its electron configuration is $1s^{2},2s^{2},2p^{6},3s^{2},3p^{6}$, the number of neutrons and protons in its nucleus will be

Explanation

Reviewed by Dr. Abubacker

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