Q. Which of the following has largest radius?

1099 199 Classification of Elements and Periodicity in Properties Report Error

A

$M g^{2 +}$

35%

B

$N a^{+}$

33%

C

$O^{2 -}$

22%

D

$F^{-}$

10%

Solution:

In isoelectronic species as effective nuclear charge decrease size increase