General info
- Element: Osmium, Os
- Atomic Number: 76
- Protons: 76
- Electrons: 76
- Neutrons: 114
- Average Atomic Mass: 190.23 amu
- Family: Transition Metals
- Period: 6
- Group: 8
- Block: D
- Electron Configuration: 1s22s2p63s2p6d104s2p6d10f145s2p6d66s2
- Atomic Radius: 135
- Ionization Radius: 819.8
- Electronegativity: 2.2
- Physical State: Solid
- Boiling Point: 5012°C
- Melting Point: 3033°C
- Valence Electrons: 3
- Common Ions: Os(NO3)4, OsO4, Os2O3