Question

Noble gases do not react with other elements because

• A. they are monoatomic
• B. they are found in abundance
• C. the size of their atoms is very small
• D. the are completely paired up and have stable electron shells

Answer 1

Answer: (D)

the are completely paired up and have stable electron shells

Answer 2

In general, noble gases are not very reactive. Their chemical inertness is due to the fact that they have completely filled $ns^2np^6$ electronic configuration of their valence shells. The other reasons are very high ionisation enthalpy and almost zero electron affinity.