| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| neutron proton electron picture | 1.38 | 0.9 | 4709 | 60 | 31 |
| neutron | 0.7 | 0.9 | 5388 | 99 | 7 |
| proton | 1 | 0.9 | 1113 | 51 | 6 |
| electron | 1.08 | 0.6 | 5767 | 2 | 8 |
| picture | 0.31 | 0.8 | 7681 | 26 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| neutron proton electron picture | 1.59 | 0.9 | 6251 | 22 |
