Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
is oxygen o2 a compound or element | 1.73 | 0.3 | 2598 | 42 |
o2 is a element compound or molecule | 1.87 | 0.4 | 4531 | 23 |
o2 a compound or element | 1.32 | 0.4 | 2152 | 92 |
oxygen gas o2 is a compound | 1.56 | 1 | 8157 | 31 |
o2 is a compound | 0.41 | 0.9 | 5004 | 23 |
is o2 a chemical compound | 1.06 | 0.1 | 5836 | 3 |
is oxygen o2 or o | 1.99 | 0.8 | 1045 | 32 |
is o2 and element | 0.49 | 0.7 | 1047 | 78 |