Question

The set representing the correct order of ionic radius is :

• A. $Li^{+} > Be^{2+} > Na^{+} > Mg^{2+}$
• B. $Na^+ > Li^+ > Mg^{2+} > Be^{2+}$
• C. $Li^+ > Na^+ > Mg^{2+} > Be^{2+}$
• D. $Mg^{2+} > Be^{2+} > Li^+ > Na^+$

Answer 1

Answer: (B)

$Na^+ > Li^+ > Mg^{2+} > Be^{2+}$

Answer 2

Follow the periodic trends