Question

alcatueste schemele electronice pentru elementele cu numerele atomice : 1,3,11,19,4,12,20,5,13,6,14,7,15,8,16,9,17

Answer 1

1. H - 1s1
2. Li- 1s2,2s1
3. Na-1s2,2s2,2p6,3s1
4. K-1s2,2s2,2p6,3s2,3p6,4s1
5. Be- 1s2, 2s2
6. Mg-1s2, 2s2, 2p6, 3s2
7. Ca-1s2, 2s2, 2p6, 3s2, 3p6, 4s2
8. B-1s2,2s2,2p1
9. Al-1s2,2s2,2p6,3s2,3p1
10.C-1s2, 2s2, 2p2
11.Si-1s2, 2s2, 2p6, 3s2, 3p2
12.N-1s2,2s2,2p
13.P-1s2,2s2,2p6,3s2,3p3
14.O-1s2, 2s2, 2p4
15.S-1s2, 2s2, 2p6, 3s2, 3p4
16.F-1s2,2s2,2p5
17.Cl-1s2,2s2,2p6,3s2,3p5