Teaching MAHA TAIT Mock Test Series 2025 General Science Chemistry Classification of Elements and Periodicity in Properties
Which one of the following is not electronic configuration of a noble gas ?
1
2, 8, 18, 8
2
2, 8, 18
3
2, 8
4
2, 8, 18, 18, 8
5
2, 8, 18, 2