| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nitrogen number of electrons fill outer shell | 1.24 | 0.2 | 5940 | 80 |
| how many electrons in nitrogen outer shell | 0.08 | 0.7 | 8410 | 36 |
| nitrogen electrons in outer shell | 1.72 | 0.9 | 5123 | 85 |
| nitrogen number of electron shells | 0.7 | 0.7 | 8795 | 2 |
| outer electrons of nitrogen | 0.51 | 0.9 | 8883 | 44 |
| how many electron shells does nitrogen have | 0.43 | 0.5 | 2194 | 82 |
| outer shell of nitrogen | 1.11 | 0.2 | 7157 | 52 |
| electron shell diagram for nitrogen | 0.72 | 0.6 | 9288 | 25 |
| nitrogen number of electrons | 1.47 | 0.1 | 4337 | 44 |
| amount of electrons in nitrogen | 1.22 | 1 | 8077 | 96 |
| nitrogen # of electrons | 0.98 | 0.5 | 1752 | 2 |
| nitrogen number of shells | 0.88 | 0.6 | 1512 | 26 |
| how many electrons can nitrogen hold | 1.15 | 0.9 | 282 | 4 |
| how many electrons in nitrogen | 0.95 | 0.1 | 3650 | 10 |
