Classification Of Elements And Periodicity In Properties Ques 66
Question: Which of the following configurations represents atoms of the elements having the highest second ionization energy [Pb. PMT 1998]
Options:
A) $ 1s^{2}2s^{2}2p^{4} $
B) $ 1s^{2}2s^{2}2p^{6} $
C) $ 1s^{2}2s^{2}2p^{6}3s^{1} $
D) $ 1s^{2}2s^{2}2p^{6}3s^{2} $
Show Answer
Answer:
Correct Answer: C
Solution:
Because for removing second electron, it has to be taken out from stable configuration that needs a large amount of energy.
