Lecture
Appendix 1. Electronic structure of atoms of chemical elements of the small periods (I–III)
| Electron shell diagram | Electron configuration | Electron-graphical diagram |
or 1Н 1е– |
1H 1s1 | 1H ![]() |
or 2Нe 2е– |
2He 1s2 | 2He ![]() |
or 3Li 2е–, 1e– |
3Li 1s22s1 | 3Li ![]() |
or 4Be 2е–, 2e– |
4Be 1s22s2 | 4Be ![]() |
or 5B 2е–, 3e– |
5B 1s22s22p1 | 5B ![]() |
or 6C 2е–, 4e– |
6C 1s22s22p2 | 6C ![]() |
or 7N 2е–, 5e– |
7N 1s22s22p3 | 7N ![]() |
or 8O 2е–, 6e– |
8O 1s22s22p4 | 8O ![]() |
or 9F 2е–, 7e– |
9F 1s22s22p5 | 9F ![]() |
or 10Ne 2е–, 8e– |
10Ne 1s22s22p6 | 10Ne ![]() |
or 11Na 2е–, 8e–, 1e– |
11Na 1s22s22p63s1 | 11Na ![]() |
or 12Mg 2е–, 8e–, 2e– |
12Mg 1s22s22p63s2 | 12Mg ![]() |
or 13Al 2е–, 8e–, 3e– |
13Al 1s22s22p63s23p1 | 13Al ![]() |
or 14Si 2е–, 8e–, 4e– |
14Si 1s22s22p63s23p2 | 14Si ![]() |
or 15P 2е–, 8e–, 5e– |
15P 1s22s22p63s23p3 | 15P ![]() |
or 16S 2е–, 8e–, 6e– |
16S 1s22s22p63s23p4 | 16S ![]() |
or 17Cl 2е–, 8e–, 7e– |
17Cl 1s22s22p63s23p5 | 17Cl ![]() |
or 18Ar 2е–, 8e–, 8e– |
18Ar 1s22s22p63s23p6 | 18Ar ![]() |
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