| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| electron relative mass amu | 0.9 | 1 | 2664 | 84 | 26 |
| electron | 0.63 | 0.6 | 7629 | 56 | 8 |
| relative | 1.66 | 0.9 | 2562 | 32 | 8 |
| mass | 0.66 | 0.4 | 1336 | 88 | 4 |
| amu | 0.26 | 0.4 | 7448 | 4 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| electron relative mass amu | 1.25 | 0.7 | 7390 | 58 |
