alleryStart learning →Why are noble gases chemically unreactive under normal conditions?
AThey are all radioactive
BThey have a full outer shell
CThey have huge atomic masses
DThey exist only as liquids
Answer & Solution
Correct answer: B. They have a full outer shell
A full valence shell leaves little tendency to gain, lose or share electrons.
Keep practising Noble Gas
Browse all Noble Gas questions for Bihar Board Class 12 (Science), or explore more Chemistry topics.
Related questions
Ammonia is produced industrially from nitrogen and which other gas?Who developed the industrial method for ammonia production from the Haber patent?Which process makes nitric acid by oxidising ammonia over a platinum catalyst?Sulfuric acid can be obtained by dissolving which oxide in water?Who patented the contact process in 1831?Which process makes nearly all sulfuric acid worldwide?Which halogen has a very weak bond within its own diatomic molecule?Iodine reacts with hydrogen only partially, forming what?