| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ionization energy is defined as | 1.31 | 0.6 | 5150 | 18 | 31 |
| ionization | 0.65 | 0.8 | 1858 | 56 | 10 |
| energy | 1.72 | 0.1 | 4491 | 14 | 6 |
| is | 0.99 | 0.9 | 4053 | 75 | 2 |
| defined | 1.33 | 0.3 | 4737 | 50 | 7 |
| as | 0.43 | 0.6 | 3776 | 31 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ionization energy is defined as | 0.94 | 0.7 | 1381 | 83 |
