| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| boron valence electrons number | 1.3 | 0.3 | 5718 | 77 | 30 |
| boron | 0.69 | 0.2 | 1537 | 59 | 5 |
| valence | 1.14 | 0.5 | 7891 | 1 | 7 |
| electrons | 1.82 | 0.5 | 4253 | 74 | 9 |
| number | 1.9 | 0.1 | 9271 | 38 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| boron valence electrons number | 1.58 | 0.6 | 6140 | 85 |
| number of valence electrons in boron family | 0.92 | 0.9 | 2755 | 21 |
| number of electrons in boron valence shell | 1.36 | 0.1 | 4691 | 24 |
| boron amount of valence electrons | 0.74 | 1 | 8617 | 85 |
| valence electrons of boron | 1.47 | 0.2 | 5113 | 1 |
| can boron have 6 valence electrons | 0.94 | 0.6 | 6828 | 65 |
| boron has how many valence electrons | 0.48 | 0.8 | 7327 | 26 |
