Question

The above graph represents the variation of atomic radius of VIIA group elements observe
carefully and answer the following questions.
Among F and Cl which has more size
Among Cl and I which is more metallic
Among Br and I which is more reactive in nature
Write the formula of the compound formed when Cl reactswith Cs.
Among F and Br wich has more valence electrons​

Answer 1

Explanation:

In HCl when 35-Cl is replaced by 37-

Cl,the distance between rotational line .... decrease or increases or remains or fluctuates