| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| oxygen electrons per shell | 0.34 | 0.7 | 8535 | 27 | 26 |
| oxygen | 0.86 | 0.8 | 9131 | 44 | 6 |
| electrons | 0.17 | 0.8 | 6667 | 47 | 9 |
| per | 1.79 | 0.8 | 6460 | 68 | 3 |
| shell | 1.53 | 0.7 | 4518 | 63 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| oxygen electrons per shell | 0.14 | 0.7 | 6996 | 26 |
