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Question

Among the group 17 members, radioactivity is present in:


A

Fluorine

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B

Astatine

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C

Iodine

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D

Chlorine

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Solution

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.


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