Question

11na23, 14si28 ,8o16,20ca40 find electronic configuration​

Answer 1

If you are in 10th, the configuration is:

Na: 2, 8, 1

Si: 2, 8, 4

O: 2, 6

Ca: 2, 8, 8, 2

Or if you are in 11th, your configuration is:

Na = 1s² 2s² 2p⁶ 3s¹

Si = 1s² 2s² 2p⁶ 3s² 3p²

O= 1s² 2s² 2p⁴

Ca = 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²

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