Examples
[BH4]−
| Central atom: | B |  |
|---|---|---|
| B contributes: | 3 e− | |
| 3 x H contibute: | 3 e− | |
| −ve charge: | 1 e− | |
| Total VSE: | 8 | |
| Total VSEP: | 4 | |
| Geometry: | Tetrahedral | |
Note
- H–B–H bond angles = 109°
| Central atom: | B | |
|---|---|---|
| B contributes: | 3 e− | |
| 3 x H contibute: | 3 e− | |
| −ve charge: | 1 e− | |
| Total VSE: | 8 | |
| Total VSEP: | 4 | |
| Geometry: | Tetrahedral | |