| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| first ionization energy simple definition | 1.63 | 0.2 | 3047 | 11 | 41 |
| first | 1.06 | 0.9 | 420 | 28 | 5 |
| ionization | 0.54 | 0.6 | 1932 | 85 | 10 |
| energy | 0.06 | 0.4 | 9938 | 4 | 6 |
| simple | 0.19 | 0.8 | 4720 | 46 | 6 |
| definition | 0.08 | 0.4 | 4142 | 90 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| first ionization energy simple definition | 0.23 | 0.7 | 1584 | 67 |
