| in atomic bomb production | 6 | temporal |
| in millions of tonnes of it | 6 | other |
| very | 3 | degree |
| fluoride → be → element | 21 |
| fluoride → be → important element | 7 |
| fluoride → be → essential element | 7 |
| fluoride → be → key chemical | 6 |
| fluoride → be → essential component | 3 |
| negative | neutral | positive |
| 0.190 | 0.555 | 0.254 |
| Raw frequency | 44 |
| Normalized frequency | 0.537 |
| Modifier score | 0.500 |
| Perplexity | 21.909 |