| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| oxygen atomic mass number | 1.98 | 0.7 | 9448 | 34 | 25 |
| oxygen | 0.4 | 0.4 | 2051 | 64 | 6 |
| atomic | 1.22 | 0.3 | 4555 | 35 | 6 |
| mass | 0.77 | 0.8 | 4019 | 8 | 4 |
| number | 1.25 | 0.3 | 7876 | 8 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| oxygen atomic mass number | 1.85 | 0.4 | 7521 | 41 |
| oxygen atomic number and mass | 0.96 | 0.4 | 4113 | 75 |
| atomic number and mass number of oxygen | 0.99 | 1 | 873 | 86 |
| oxygen symbol atomic number and atomic mass | 1.36 | 1 | 6689 | 92 |
| oxygen atomic number and mass number | 1.67 | 0.8 | 5931 | 47 |
| what is the atomic mass number of oxygen | 0.92 | 0.1 | 2304 | 8 |
