| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| calcium ion charge | 0.83 | 0.3 | 9692 | 24 | 18 |
| calcium | 0.79 | 0.1 | 4842 | 69 | 7 |
| ion | 1.95 | 1 | 1217 | 29 | 3 |
| charge | 0.78 | 0.7 | 1127 | 32 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| calcium ion charge | 0.43 | 0.4 | 614 | 3 |
| calcium ion charge number | 1.69 | 0.9 | 6821 | 57 |
| what is the charge of a calcium ion | 1.71 | 0.2 | 3047 | 71 |
| calcium forms an ion with a charge of | 0.92 | 0.8 | 4160 | 1 |
