Urgent !!!!!!!!!!!! Am nevoie cât mai rapid răspunsurile!!!!!!!

Răspuns:
Z=12 Mg 1s2 2s2 2p6 3s2
Z=8 O 1s2 2s2 2p4
Z=11 Na 1s2 2s2 2p6 3s1
Z=2 He 1s2
Z=16S 1s2 2s2 2p6 3s2 2p4
Z=18 Ar 1s2 2s2 2p6 3s2 3p6
1-c
2-f
3-e
4-a
5-b
............................