Nickel (Ni) has atomic number 28. The correct electronic configuration is?
Poll
- 1s² 2s² 2p⁴ 3s² 3p⁸ 3d¹⁰
- 1s² 2s² 3s² 3p⁸ 3d¹⁰
- 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁸ 4s2
- 1s² 2s² 2p⁴ 3s² 3p⁶ 4s²