| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| carbon 14 isotope notation | 0.42 | 0.4 | 4539 | 34 | 26 |
| carbon | 0.72 | 0.7 | 1692 | 10 | 6 |
| 14 | 0.39 | 1 | 4947 | 37 | 2 |
| isotope | 0.7 | 0.9 | 8651 | 60 | 7 |
| notation | 1.8 | 1 | 4921 | 30 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| carbon 14 isotope notation | 0.72 | 0.9 | 9818 | 11 |
