Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
boron 10 number of protons | 1.45 | 1 | 8173 | 66 |
boron atomic number of protons | 0.17 | 0.4 | 5949 | 24 |
boron 10 number of electrons | 1.46 | 1 | 1506 | 54 |
boron 11 number of protons | 1.08 | 0.4 | 2367 | 100 |
boron # of protons | 0.52 | 0.7 | 7911 | 45 |
how many protons do boron have | 0.91 | 0.4 | 5420 | 6 |