Atomic Structure Question 251

Question: Ions which have the same electronic configuration are those of

Options:

A) Lithium and sodium

B) Sodium and potassium

C) Potassium and calcium

D) Oxygen and chlorine

Show Answer

Answer:

Correct Answer: C

Solution:

K+ and Ca++ have the same electronic configuration (1s2,,2s2,2p6,,3s23p6)



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