| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| periodic structure literature definition | 0.58 | 0.3 | 903 | 37 | 40 |
| periodic | 1.32 | 0.1 | 1761 | 45 | 8 |
| structure | 0.53 | 0.5 | 6841 | 4 | 9 |
| literature | 0.29 | 0.5 | 136 | 47 | 10 |
| definition | 0.75 | 0.3 | 5957 | 42 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| periodic structure literature definition | 0.43 | 1 | 362 | 15 |
