| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how many total electrons does calcium have | 0.03 | 0.8 | 221 | 61 |
| a calcium cation has how many total electrons | 0.57 | 0.9 | 8086 | 73 |
| how many electrons does calcium ca have | 0.12 | 0.7 | 2434 | 65 |
| calcium ion number of electrons | 1.8 | 0.6 | 3896 | 25 |
| how many electrons in calcium ion | 0.12 | 0.4 | 7957 | 66 |
| calcium has how many electrons | 0.55 | 0.3 | 9662 | 30 |
| how many electrons does calcium have | 1.12 | 1 | 7225 | 63 |
| total number of electrons in calcium | 0.29 | 0.2 | 221 | 58 |
| number of electrons in calcium ion | 0.02 | 0.7 | 8726 | 90 |
| number of electrons of calcium | 1.7 | 0.8 | 6496 | 49 |
| amount of electrons in calcium | 0.56 | 0.3 | 4140 | 29 |
