| between the bonding pair | 2 | location |
| together | 2 | manner |
| sometimes | 2 | temporal |
| electron → be → added | 75 |
| electron → be → introduced | 7 |
| electron → be added to → the system | 3 |
| negative | neutral | positive |
| 0.129 | 0.746 | 0.125 |
| Raw frequency | 85 |
| Normalized frequency | 0.692 |
| Modifier score | 0.400 |
| Perplexity | 125.780 |