Atomic radius depends uponA) Number of bonds formed by the atomB) Nature of the bondingC) Oxidation state of the atom

A) Greater  the multiplicity of bonds greater the strengthEx:- C-C< C=C < C≡CB ) Nature of bonding whether ionic, polar covalent non-polar covalentC) Oxidation stateEx:- Fe+2 and Fe+3 have different size which influences atomic radius