Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
periodic table of elements printable pdf | 0.04 | 0.5 | 7216 | 27 |
periodic table of elements printable free | 1.19 | 1 | 3181 | 18 |
free printable periodic table of elements pdf | 1.88 | 0.4 | 6332 | 8 |
printable periodic table of elements 2018 pdf | 0.71 | 0.6 | 1004 | 2 |