| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| effective nuclear charge meaning | 0.44 | 0.1 | 9355 | 26 | 32 |
| effective | 0.73 | 0.1 | 5874 | 77 | 9 |
| nuclear | 1.07 | 0.7 | 744 | 35 | 7 |
| charge | 0.66 | 0.3 | 2392 | 34 | 6 |
| meaning | 1.95 | 0.5 | 1719 | 61 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| effective nuclear charge meaning | 1 | 0.1 | 3736 | 68 |
