Question

Which of the following properties does not match to the elements of halogen family?

• A. They have seven electrons in their valence shells.
• B. They are diatomic in their molecular form.
• C. They are highly reactive chemically
• D. They are metallic in nature.

Answer 1

Answer: (D)

They are metallic in nature.

Halogen family have valence shell configuration $n{s}^2{p}^5$
as they have incomplete octet so they are highly active and have tendency to accept one electron so they are non metals in nature.