Chemistry
Grade-9
Easy

Question

Which among these is a halogen?

  1. Helium
  2. Chlorine
  3. Oxygen
  4. Neptune

Hint:

The second last group is the halogen.

The correct answer is: Chlorine


    • In Mendeleev's periodic table there are 118 elements arranged in 18 groups and 7 periods.
    • The second last group is called halogen.
    • Chlorine is the halogen.

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