Periodic Classification and Periodic Properties - Result Question 50

47. Arrange the following in the order of their increasing size: $Cl^{-}, S^{2-}, Ca^{2+}, Ar$

(1986, 1M)

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Solution:

  1. Size $Ca ^ {2+} < Ar < Cl ^ {-} < S ^ {2-}$. Explained in (i), question 6 .