Chemistry
Grade-9
Easy
Question
How many elements are in the Noble Gas family?
- 4
- 5
- 6
- 7
Hint:
Group 18 is noble gas family.
The correct answer is: 6
In the periodic table there are118 elements arranged in 18 groups and 7 rows.
Group 18 is the noble gas family. It has six naturally occurring noble gas: Helium, Neon, Argon, Krypton, Xenon, Radon.
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