Rh
Rhodium
Element 45 · Transition metal · Period 5, Group 9
Solid · Discovered 1803
Atomic Properties
| Atomic Number | 45 |
| Atomic Mass | 102.9055u |
| Electron Configuration | [Kr]5s1 4d8 |
| Electronegativity | 2.28Pauling |
| Atomic Radius | 195pm |
| Ionization Energy | 7.459eV |
| Electron Affinity | 1.137eV |
| Oxidation States | +3 |
Physical Properties
| Standard State | Solid |
| Melting Point | 2237K |
| Boiling Point | 3968K |
| Density | 12.4g/cm³ |
| Group Block | Transition metal |
| Year Discovered | 1803 |