The Periodic Table of Elements
78
Pt
Platinum
195.084(9) amu
Additional Information:
| State | Group Block | Density | Atomic Radius | Electron Affinity | Ionization Energy | Melting Point | Boiling Point | Year Discovered |
|---|---|---|---|---|---|---|---|---|
| solid | transition metal | 21.09 kg/L | 128 pm | -205 | 870 kJ/mol | 2041 °K | 4098 °K | Ancient |
