Question

explain the gradation in reactivity of halogen family​

Answer 1

Explanation:

ANSWER

As studying the Modern periodic table, The group 17 contains the members of the halogen family.

All of them have the general formula X

2

. A gradation is observed in their physical state down the group.

Thus, fluorine (F

2

) and chlorine (Cl

2

) are gases. Bromine (Br

2

) is a liquid while iodine (I

2

) is a solid.