| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what are secondary electrons | 1.33 | 0.9 | 3515 | 33 | 28 |
| what | 1.83 | 0.5 | 5855 | 72 | 4 |
| are | 0.46 | 0.9 | 2169 | 100 | 3 |
| secondary | 0.93 | 0.4 | 8616 | 32 | 9 |
| electrons | 0.01 | 0.3 | 1151 | 27 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what are secondary electrons | 0.63 | 0.4 | 3058 | 42 |
