| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| discovered electrons using cathode ray tubes | 0.66 | 0.9 | 6811 | 53 | 44 |
| discovered | 1.72 | 0.7 | 9552 | 18 | 10 |
| electrons | 0.66 | 0.2 | 4184 | 38 | 9 |
| using | 0.59 | 0.6 | 7783 | 94 | 5 |
| cathode | 0.25 | 0.1 | 8280 | 96 | 7 |
| ray | 0.02 | 0.9 | 8213 | 64 | 3 |
| tubes | 0.3 | 0.6 | 7560 | 1 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| discovered electrons using cathode ray tubes | 0.15 | 0.1 | 9201 | 100 |
