He: 1s²
Li: 1s² 2s¹
C: 1s² 2s² 2p²
O: 1s² 2s² 2p⁴
Ne: 1s² 2s² 2p⁶
Write the electrons configuration of the following: He, Li, C, O, Ne.
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1 answer
1 answer
1 answer
1 answer
1 answer