napisz konfiguracje elektronowe pierwiastków
N:
Na:
Ca
Azot ( N) 1s2 2s2 2p3
Na( sód)- 1s2 2s2 2p6 3s1
Ca( wapń)- 1s2 2s2 2p6 3s2 3p6 4s2
:)
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Azot ( N) 1s2 2s2 2p3
Na( sód)- 1s2 2s2 2p6 3s1
Ca( wapń)- 1s2 2s2 2p6 3s2 3p6 4s2
:)