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MHT CET Chemistry Classification of Elements and Periodicity in Properties 2026 MHT CET 2026 (15 April Shift 2)

MHT CET Chemistry Question (2026) — Solution

Question

Identify the group of periodic table that contains element Astatine.

Options

  1. A. 17
  2. B. 16
  3. C. 18
  4. D. 1

Answer

A. 17

Step-by-step solution

Astatine (At) is a chemical element with atomic number 85. It belongs to the halogen family, which includes Fluorine (F), Chlorine (Cl), Bromine (Br), Iodine (I), Astatine (At), and Tennessine (Ts). The halogen family is located in Group 17 of the modern periodic table. Answer: 17

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