Rn
Radon
Element 86 · Noble gas · Period 6, Group 18
Gas · Discovered 1900
Atomic Properties
| Atomic Number | 86 |
| Atomic Mass | 222.01758u |
| Electron Configuration | [Xe]6s2 4f14 5d10 6p6 |
| Atomic Radius | 220pm |
| Ionization Energy | 10.745eV |
| Oxidation States | 0 |
Physical Properties
| Standard State | Gas |
| Melting Point | 202K |
| Boiling Point | 211.45K |
| Density | 0.00973g/cm³ |
| Group Block | Noble gas |
| Year Discovered | 1900 |