NEETChemistryp Block Elements (Group 15, 16, 17 & 18)
Which noble gas has the lowest boiling point among all known substances?
Options
- AArgon
- BNeon
- CKrypton
- DHelium
Correct answer
D. Helium
Step-by-step solution
Helium has the lowest boiling point (4.2 K) of any known substance.