| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| the hydrogen bond is | 1.14 | 0.7 | 5066 | 42 | 20 |
| the | 1.81 | 0.7 | 9801 | 92 | 3 |
| hydrogen | 1.43 | 0.9 | 8181 | 95 | 8 |
| bond | 0.11 | 0.1 | 3539 | 47 | 4 |
| is | 1.61 | 0.9 | 7421 | 72 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the hydrogen bond is | 1.52 | 0.1 | 5374 | 92 |
