Atomic NumberAtomic Number 77
Atomic Number 77 is belong to element of Iridium.
Chemical symbol for Iridium is Ir. Number of protons in Iridium is 77. Atomic weight of Iridium is 192.217 u or g/mol.
77Ir
Atomic Number 77 Element Properties
| Atomic Number (Z) | 77 |
|---|---|
| Atomic Symbol | Ir |
| Element Name | Iridium |
| Group | 9 |
| Period | 6 |
| Atomic Weight | 192.217 u |
| Density | 22.56 g/cm3 |
| Melting Point (K) | 2719 K |
| Boiling Point (K) | 4701 K |
List all properties of Iridium