| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nitrogen 14 and nitrogen 15 | 0.7 | 0.3 | 2932 | 49 |
| nitrogen 14 and nitrogen 15 difference | 0.41 | 0.3 | 9186 | 35 |
| difference between nitrogen 14 and 15 | 0.93 | 0.2 | 2565 | 22 |
| nitrogen 15 15 15 | 0.03 | 0.7 | 6219 | 49 |
| nitrogen 14 to carbon 14 | 1.01 | 0.5 | 293 | 70 |
| model of nitrogen 14 | 1.86 | 0.1 | 1294 | 95 |
| atomic number of nitrogen 15 | 0.98 | 1 | 58 | 62 |
| nitrogen 15 mass number | 1.04 | 0.4 | 765 | 45 |
| nitrogen-15 | 0.78 | 0.6 | 8180 | 63 |
| nitrogen-14 and nitrogen-16 have the same | 0.3 | 0.8 | 2188 | 81 |
| atomic number of nitrogen 14 | 0.85 | 0.5 | 7015 | 54 |
| nitrogen 15 number of electrons | 0.2 | 0.6 | 7424 | 81 |
| is nitrogen 15 radioactive | 0.97 | 0.3 | 1554 | 82 |
| nitrogen to carbon 14 | 1.56 | 0.5 | 8649 | 83 |
| nitrogen 14 mass number | 1.63 | 0.5 | 8496 | 10 |
| nucleus for nitrogen 14 | 1.69 | 0.4 | 5909 | 32 |
| how many electrons in nitrogen 15 | 1.92 | 0.3 | 140 | 88 |
| is nitrogen-14 a gas | 1.77 | 0.4 | 6070 | 18 |
| what is the mass of nitrogen-15 | 0.53 | 0.7 | 8764 | 35 |
