Classification Of Elements And Periodicity In Properties Question 341
Under normal conditions, which of the following electronic configuration is able to form a dipositive ion [RPET 2000]
Options:
A) $ [Ar],4s^{1} $
B) $ [Ne],2s^{2}3p^{6} $
C) $ [Ne],3s^{2} $
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
Mg has only two electrons in the 3s-orbital and hence its I.E. is lowest, i.e. it has the maximum tendency to form +2 ions.
BETA
