| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| rydberg constant in meters | 0.61 | 0.2 | 127 | 67 | 26 |
| rydberg | 1.49 | 0.4 | 368 | 58 | 7 |
| constant | 1.32 | 0.7 | 1613 | 40 | 8 |
| in | 0.07 | 0.7 | 9382 | 27 | 2 |
| meters | 0.71 | 0.5 | 3493 | 42 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| rydberg constant in meters | 1.93 | 0.3 | 3926 | 85 |
