| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| hno3 oxidation number nitrogen | 1.22 | 0.8 | 397 | 99 | 30 |
| hno3 | 0.16 | 0.7 | 962 | 62 | 4 |
| oxidation | 0.63 | 0.4 | 5934 | 30 | 9 |
| number | 1.98 | 0.7 | 766 | 56 | 6 |
| nitrogen | 1.18 | 1 | 6493 | 13 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hno3 oxidation number nitrogen | 1.28 | 0.1 | 6168 | 76 |
