| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| rydberg constant in joules | 0.7 | 0.5 | 4679 | 29 | 26 |
| rydberg | 1.4 | 0.9 | 4501 | 21 | 7 |
| constant | 1.63 | 0.7 | 4223 | 12 | 8 |
| in | 0.27 | 0.1 | 1560 | 36 | 2 |
| joules | 1.05 | 0.3 | 9904 | 49 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| rydberg constant in joules | 1.77 | 0.5 | 492 | 95 |
