InterviewSolution
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InterviewSolution
| 1. |
Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms have in common? |
| Answer» SOLUTION :Helium and NEON are noble gases. Both 5 the elements have their outermost SHELLS completely filled. Helium has only K shell which is complete with 2 electrons while neon has two shells, K and L. Both these shells are complete, i.e., K shell has 2 electrons and L shell has 8 electrons. | |