Choose incorrect statement :-

Options

A. `1^("st")` ionisation potential `Mg lt S lt P lt F`
B. Atomic radii `Cl lt Mg lt P lt Ca`
C. Basic nature `Al_(2)O_(3) lt MgO lt Na_(2)O lt K_(2)O`
D. Acidic nature `NH_(3) lt PH_(3) lt AsH_(3)`

Answer

B

Explanation

`"Size" prop "Shell" prop (1)/(Z^(+))`