Question

in which grp of modern periodic table the above element belong?? E= element,at=atomic radius. EK:at231. ENa:at186. ERb:at244. ECs:at262. EU:at151​

Answer 1

Answer:

k,cs,rb,na-grp 1A

u -actinide element

Answer 2

E= element,at=atomic radius. EK:at231. ENa:at186. ERb:at244. ECs:at262. EU:at151.................................