Elements That Start With R
Below are all the elements that start with r.
| Name | Symbol | Atomic
Number |
Atomic Mass
(g/mol) |
| Radon | Rn | 86 | (222) |
| Roentgenium | Rg | 111 | (272) |
| Rhodium | Rh | 45 | 102.9055 |
| Rhenium | Re | 75 | 186.207 |
| Rubidium | Rb | 37 | 85.4678 |
| Ruthenium | Ru | 44 | 101.07 |
| Radium | Ra | 88 | 226.0254 |
| Rutherfordium | Rf | 104 | (261) |
Explore More About Each Element That Start With r.
| Element | Usage/Fact |
| Radium (Ra) | Glowing radioactive element, once used in medical treatments. |
| Radon (Rn) | Radioactive gas, can accumulate in homes. |
| Rhenium (Re) | Used in high-temperature superalloys for jet engines. |
| Rhodium (Rh) | Used in catalytic converters and fine jewelry. |
| Rubidium (Rb) | Used in atomic clocks and research applications. |
| Ruthenium (Ru) | Used in electrical contacts and catalysis. |
| Rutherfordium (Rf) | Synthetic element; named after Ernest Rutherford. |
