| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| periodiek systeem van elementen | 1.99 | 0.6 | 2711 | 51 | 31 |
| periodiek | 0.66 | 0.3 | 7124 | 65 | 9 |
| systeem | 1.44 | 0.6 | 900 | 42 | 7 |
| van | 1.22 | 0.2 | 9020 | 98 | 3 |
| elementen | 0.97 | 0.7 | 4333 | 17 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| periodiek systeem van elementen | 0.75 | 0.5 | 6471 | 84 |
