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UPSC CDS Science Chemistry Questions Part 2
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Question : 8
Total: 15
Which one of the following is mono atomic ?
[2019 CDS-II]
Hydrogen
Sulphur
Phosphorus
Helium
Validate
Solution:
- Hydrogen -Diatomic
- Sulphur -Polyatomic
- Phosphorus- Tetra atomic
- Helium -Mono atomic
Hence, helium is mono atomic among given options.
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