Chemistry
Grade-9
Easy
Question
Which among these is a halogen?
- Helium
- Chlorine
- Oxygen
- 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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