| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| periodic structure chemical bonding | 1.27 | 0.6 | 7527 | 12 | 35 |
| periodic | 0.98 | 0.9 | 1219 | 83 | 8 |
| structure | 0.78 | 0.2 | 4412 | 29 | 9 |
| chemical | 0.26 | 1 | 2723 | 31 | 8 |
| bonding | 1.01 | 0.5 | 5362 | 20 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| periodic structure chemical bonding | 2 | 1 | 4361 | 26 |
