Question

pls ans this q pls pls pls

Answer 1

S > C > O > F

is the answer.

as the order of radii is as follows:

S (0.88 pm) > C (0.67 pm) >  O (0.48 pm) > F (0.42 pm)

Answer 2

option 3
Reason- in periodic table as we go from left to right Z Effect increases. due to Z effect the size of atom reduces
when we go downward in a group Z affect remains constant but number of shells increases that's why sulphur is the biggest size in the above question