| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| neutron proton electron formula | 0.02 | 0.4 | 1915 | 57 | 31 |
| neutron | 0.05 | 0.9 | 5237 | 41 | 7 |
| proton | 0.31 | 0.5 | 3996 | 10 | 6 |
| electron | 1.56 | 0.9 | 7141 | 52 | 8 |
| formula | 0.97 | 1 | 1837 | 14 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| neutron proton electron formula | 1.74 | 0.6 | 4688 | 6 |
