November 2023 1 7 Report
Realice la C.E. de 20Ca :
a) 1s2 2s2 2p6 3s2 3p6 4s2

b) 1s2 2s2 2p6 3s2 3p8

c) 1s2 2s2 2p2 3s2 3d10 3p2

d) 1s2 2s2 3s2 3p6 4s2 3d6

e) 1s2 2s2 2p6 3s2 3d10

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