Question

The correct statement among the following is

• A. Radius of $Cl$ atom is $0.99A^{\circ }$ while that of $C{l}^{+}$ ion is $1.54A^{\circ }$
• B. Radius of $Cl$ atom is $0.99A^{\circ }$ while that of $Na$ atom is $1.54A^{\circ }$
• C. Radius of $Cl$ atom is $0.95A^{\circ }$ while that of $C{l}^{-}$ ion is $0.81A^{\circ }$
• D. Radius of Na atom is $0.95A^{\circ }$ while that of $N{a}^{+}$ ion is $1.54A^{\circ }$

Answer 1

The correct option is B Radius of $Cl$ atom is $0.99A^{\circ }$ while that of $Na$ atom is $1.54A^{\circ }$

A) Size of the cation is always smaller than the parent atom

B) The atomic radius decreases along the period.

C) Size of the anion is always greater than the parent atom.

D) Size of the cation is always smaller than the parent atom