Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
periodic table black and white pdf | 0.89 | 0.5 | 6620 | 60 |
periodic table printable pdf black and white | 0.28 | 0.8 | 4770 | 61 |
periodic table printable black and white pdf | 1.47 | 0.6 | 1855 | 82 |
black and white periodic table pdf | 0.31 | 0.9 | 2797 | 43 |
periodic table in black and white pdf | 1.18 | 0.4 | 1292 | 77 |
periodic table black and white pdf 2017 | 0.69 | 0.7 | 7336 | 54 |