Rozpisz konfiguracje elektronowe podanych pierwiastków; B,Br,Ar,Mg prosze o pomoc
B
1s2 2s2 2p1
Br
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
Ar
1st 2s2 2p6 3s2 3p6
Mg
1s2 2s2 2p6 3s2
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B
1s2 2s2 2p1
Br
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
Ar
1st 2s2 2p6 3s2 3p6
Mg
1s2 2s2 2p6 3s2