Periodic Classification and Periodic Properties 2 Question 47
47. Arrange the following in the order of their increasing size: $\mathrm{Cl}^{-}, \mathrm{S}^{2-}, \mathrm{Ca}^{2+}, \mathrm{Ar}$
(1986, 1M)
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Solution:
- Size $\mathrm{Ca}^{2+}<\mathrm{Ar}<\mathrm{Cl}^{-}<\mathrm{S}^{2-}$. Explained in (i), question 6 .
