Ответ:
Li Litiy 1s^2 2s^1
N Azot 1s^2 2s^2 2p^3
C Uglerod 1s^2 2s^2 2p^2
Ca Calsiy 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2
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Ответ:
Li Litiy 1s^2 2s^1
N Azot 1s^2 2s^2 2p^3
C Uglerod 1s^2 2s^2 2p^2
Ca Calsiy 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2