| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| atom model of calcium | 1.51 | 0.5 | 905 | 97 | 21 |
| atom | 0.01 | 0.4 | 350 | 65 | 4 |
| model | 0.59 | 0.6 | 4795 | 61 | 5 |
| of | 1.81 | 0.4 | 8162 | 95 | 2 |
| calcium | 0.1 | 0.2 | 8478 | 100 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| atom model of calcium | 0.46 | 0.8 | 3946 | 74 |
