halogen family-4

Which of the following belongs to the halogen family?

What are the similarities in properties of elements in halogen family?

Answer the following question with respect to the modern periodic table. i. Explain the gradation in reactivity of halogen family.

The general electronic configuration of halogen family is

Which member of the halogen family (X) does not show oxidation state of +1?

Select which periodic property is not regular in halogen family moving down thegroup?

Fluorine does not show variable oxidation states while other members of the halogen family exhibit variable oxidation states. Why ?