Question

In which of the following sets elements have nearly same atomic radii and why??

a)Fe,Co,Ni,Cu

b)O,S,Se,Te

c)Mg,Ca,Cr,Ba

d)Li,Be,B,C

Answer 1

b) In this group All elements have nearly same atomic radii, Because they all belong to the same group of Chalkogens.

Mark it as the brainliest plzz.