 |
| Date of Discovery: |
1803 |
| Discoverer: |
Smithson Tenant |
| Name Origin: |
From the Greek word osmл (odor) |
| Uses: |
tip gold pen points, instrument pivots, electrical light filaments |
| Obtained From: |
ores that contain platinum |
| Atomic Number: |
76 |
| Atomic Mass: |
190.23 amu |
| Melting Point: |
3045.0 °C (3318.15 K, 5513.0 °F)
|
| Boiling Point: |
5027.0 °C (5300.15 K, 9080.6 °F)
|
| Crystal Structure: |
Hexagonal |
| Density @ 293 K: |
22.4 g/cm3 |
| Color: |
silvery |
| Isotope |
Os-184 |
Os-185 |
Os-186 |
Os-187 |
Os-188 |
Os-189 |
Os-190 |
Os-190m |
Os-191 |
Os-191m |
Os-192 |
Os-193 |
Os-194 |
| Half Life |
Stable |
93.6 days |
2.0E15 years |
Stable |
Stable |
Stable |
Stable |
9.9 min |
15.4 days |
13.1 hours |
Stable |
30.5 hours |
6.0 years |
|