| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is ozone heavier than oxygen | 0.18 | 1 | 6094 | 11 |
| is ozone heavier than air | 1.25 | 0.2 | 1008 | 81 |
| how is ozone different from oxygen | 0.97 | 1 | 9759 | 22 |
| is ozone heavier or lighter than air | 1.27 | 0.3 | 1154 | 20 |
| how does ozone differ from oxygen | 0.71 | 0.7 | 5802 | 89 |
| difference between ozone and oxygen | 0.53 | 0.3 | 6302 | 5 |
| how are oxygen and ozone different | 1.24 | 0.2 | 2899 | 84 |
| difference between ozone and oxygen gas | 1.09 | 0.8 | 1372 | 18 |
| how are oxygen and ozone alike | 0.24 | 0.7 | 9366 | 24 |
| is ozone denser than air | 0.9 | 0.2 | 6868 | 54 |
| similarity between ozone and oxygen gas | 1.08 | 0.2 | 7022 | 22 |
| why is ozone more reactive than oxygen | 0.1 | 1 | 611 | 44 |
| ozone is a form of oxygen | 0.68 | 0.8 | 1694 | 29 |
| is ozone lighter than air | 1.55 | 1 | 2488 | 53 |
| is ozone an isotope of oxygen | 0.33 | 0.8 | 8659 | 38 |
| how many oxygen molecules is ozone containing | 1.89 | 0.3 | 1562 | 28 |
| difference between good ozone and bad ozone | 1.65 | 0.4 | 9083 | 15 |
| ozone has how many atoms of oxygen | 0.51 | 0.2 | 2078 | 15 |
| difference between ozone and carbon dioxide | 1.84 | 1 | 3231 | 82 |
