Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
periodic table of elements printable pdf | 1.65 | 0.9 | 748 | 55 |
periodic table of elements printable free | 0.46 | 0.4 | 9019 | 84 |
free printable periodic table of elements pdf | 0.38 | 0.5 | 7137 | 19 |
printable periodic table of elements 2018 pdf | 1.88 | 0.8 | 2055 | 36 |