| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| rotational period of mercury | 0.62 | 0.7 | 1323 | 57 | 28 |
| rotational | 1.4 | 0.5 | 5084 | 39 | 10 |
| period | 0.37 | 0.1 | 9301 | 35 | 6 |
| of | 0.5 | 0.5 | 6102 | 44 | 2 |
| mercury | 1.28 | 0.5 | 8382 | 85 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| rotational period of mercury | 0.12 | 0.8 | 748 | 25 |
| what is the rotational period of mercury | 1.18 | 0.8 | 5543 | 97 |
| what is mercury's rotational period | 0.9 | 1 | 694 | 89 |
| mercury rotational period day | 0.23 | 1 | 1225 | 39 |
| mercury rotational period earth hours or days | 1.11 | 0.9 | 3399 | 67 |
| mercury's rotational period | 0.07 | 0.9 | 3986 | 67 |
| mercury rotational period | 1.69 | 0.9 | 7905 | 68 |
