Ground State Electron Configuration
Electron configuration of second period elements showing orbital notation and electron configuration notation:
| Element | Symbol | Atomic number | Orbital notation | Electron configuration notation |
||||
|---|---|---|---|---|---|---|---|---|
| 2p | ||||||||
| 1s | 2s | |||||||
| lithium | Li | 3 | ↑↓ | ↑ | 1s2 2s1 | |||
| Beryllium | Be | 4 | ↑↓ | ↑↓ | 1s2 2s2 | |||
| Boron | B | 5 | ↑↓ | ↑↓ | ↑ | 1s2 2s2 2p1 | ||
| Carbon | C | 6 | ↑↓ | ↑↓ | ↑ | ↑ | 1s2 2s2 2p2 | |
| Nitrogen | n | 7 | ↑↓ | ↑↓ | ↑ | ↑ | ↑ | 1s2 2s2 2p3 |
| Oxygen | O | 8 | ↑↓ | ↑↓ | ↑↓ | ↑ | ↑ | 1s2 2s2 2p4 |
| Fluorine | F | 9 | ↑↓ | ↑↓ | ↑↓ | ↑↓ | ↑ | 1s2 2s2 2p5 |
| Neon | Ne | 10 | ↑↓ | ↑↓ | ↑↓ | ↑↓ | ↑↓ | 1s2 2s2 2p6 |