Atomic Structure Question 249

Question: Which of the following ions is not having the configuration of neon

Options:

A) F

B) Mg+2

C) Na+

D) Cl

Show Answer

Answer:

Correct Answer: D

Solution:

Configuration of Ne = 1s2,2s22p6

F = 1s2,2s22p6

Na+ = 1s2,2s22p6

Mg++ = 1s2,2s22p6

Cl = 1s2,2s22p63s23p6 .



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