Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Classification of Elements and Periodicity in Properties
In which group of the Periodic Table will you put the elements with electronic configuration [He]2s2 2p6?
1
8
2
6
3
18
4
More than one of the above
5
None of the above