| Answer | % Correct |
|---|---|
| Ra | 100%
|
| Radon | 100%
|
| Ru | 100%
|
| Radium | 95%
|
| Rh | 90%
|
| Rf | 85%
|
| Rn | 85%
|
| Rutherfordium | 80%
|
| Re | 75%
|
| Rubidium | 75%
|
| Ruthenium | 75%
|
| Rb | 70%
|
| Rhenium | 70%
|
| Rg | 60%
|
| Rhodium | 60%
|
| Roentgenium | 40%
|