| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| periodic table pdf download free | 0.63 | 0.6 | 1591 | 67 |
| periodic table printable pdf free download | 0.08 | 0.1 | 4094 | 74 |
| periodic table of elements pdf free download | 1.48 | 0.1 | 1999 | 56 |
| periodic table worksheets pdf free download | 1.2 | 0.1 | 9994 | 47 |
| periodic table pdf color free download | 0.12 | 0.9 | 7386 | 52 |
