Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
periodic table of elements printable pdf | 0.59 | 0.7 | 5320 | 93 |
periodic table of elements printable free | 1.56 | 1 | 2378 | 39 |
free printable periodic table of elements pdf | 1.26 | 0.5 | 348 | 67 |
printable periodic table of elements 2018 pdf | 0.44 | 0.1 | 5771 | 59 |