Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
periodic table of elements history timeline | 0.15 | 0.5 | 8743 | 60 |
timeline of the development of periodic table | 1.57 | 0.3 | 9315 | 5 |
periodic table of history | 0.76 | 0.9 | 6185 | 16 |
periodic table timeline 1 | 1.7 | 0.6 | 7765 | 98 |
periodic table timeline his | 0.9 | 0.1 | 8555 | 40 |