Question

Among the group 17 members, radioactivity is present in:

• A. Fluorine
• B. Astatine
• C. Iodine
• D. Chlorine

Answer 1

The correct option is B

Astatine

Explanation for correct option

(B)Astatine

Halogen family

• Group 17 is known as the Halogen family.
• Fluorine, chlorine, bromine, iodine, and astatine are present in group 17.
• Astatine is the radioactive element among them.

Explanation for incorrect option

• .Among the group 17 members, radioactivity is present in astatine.
• Hence, options (A), (C),and (D) are incorrect.

Hence, option (B) is correct. Among the group 17 members, radioactivity is present in astatine.