| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| a radioactive substance emits | 1.88 | 0.3 | 6799 | 59 | 29 |
| a | 1.87 | 0.7 | 2111 | 13 | 1 |
| radioactive | 1.73 | 0.3 | 4617 | 31 | 11 |
| substance | 1.36 | 0.4 | 6494 | 22 | 9 |
| emits | 1.85 | 0.3 | 9822 | 92 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| a radioactive substance emits | 0.24 | 0.2 | 6116 | 46 |
| a radioactive substance emits radiation | 0.58 | 0.3 | 1776 | 34 |
| what is a radioactive substance | 0.22 | 0.1 | 4227 | 24 |
| radioactive form of a substance | 0.55 | 0.7 | 2645 | 68 |
| what makes a substance radioactive | 1.56 | 0.6 | 7567 | 58 |
| a sample of a radioactive substance undergoes | 0.22 | 0.6 | 1724 | 89 |
| a sample of a radioactive substance | 1.27 | 0.5 | 5878 | 1 |
| how does a substance become radioactive | 1.09 | 0.2 | 5590 | 76 |
| emitted by radioactive materials | 0.25 | 0.8 | 1937 | 3 |
| activity of radioactive substance | 0.21 | 0.3 | 4443 | 81 |
| which is not emitted by radioactive substance | 1.46 | 0.2 | 2856 | 88 |
| what do radioactive elements emit | 0.92 | 0.8 | 2218 | 18 |
| what is a radioactive | 0.19 | 0.7 | 8753 | 99 |
| what is a radioactive element | 1.27 | 1 | 482 | 12 |
| radioactive substances especially radium | 1.97 | 0.2 | 5701 | 77 |
| radioactive meaning in chemistry | 0.85 | 0.8 | 7886 | 79 |
| what makes something radioactive | 1.8 | 0.2 | 49 | 77 |
| what things are radioactive | 0.47 | 0.6 | 6137 | 36 |
