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configuratia electronica a potasiului si a calciului DAU COROANA MULTUMESC

Răspuns :

K are in total 19 electroni si are configuratia:

1s[tex]1s ^{2} 2s^{2}2p^{6}3s^{2}3p^{6}4s^{1}[/tex]

Ca are in total 20 de electroni si are configuratia:

1s[tex]1s ^{2} 2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}[/tex]