| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| fluoride ion charge | 1.42 | 1 | 9445 | 2 | 19 |
| fluoride | 0.54 | 1 | 6294 | 66 | 8 |
| ion | 1.44 | 0.5 | 1456 | 85 | 3 |
| charge | 1.09 | 0.4 | 9916 | 55 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| fluoride ion charge | 0.98 | 0.8 | 9469 | 15 |
| what is the charge of a fluoride ion | 0.8 | 1 | 8661 | 63 |
