Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Chemistry d And f - Block Elements
Nickel has atomic number 28. The correct electronic configuration is
1
1s2 2s2 2p4 3s2 3p8 3d10
2
1s2 2s2 2p6 3s2 3p6 3d 84s2
3
1s2 2s2 2p4 3s2 3p6 4s2
4
More than one of the above
5
None of the above