| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| sulfate anion resonance structures | 0.98 | 0.9 | 6902 | 7 | 34 |
| sulfate | 0.4 | 0.6 | 9042 | 87 | 7 |
| anion | 0.93 | 0.1 | 5307 | 1 | 5 |
| resonance | 1.13 | 0.6 | 122 | 62 | 9 |
| structures | 1.72 | 1 | 3775 | 21 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| sulfate anion resonance structures | 0.61 | 0.5 | 1708 | 48 |
