 |
| Date of Discovery: |
1844 |
| Discoverer: |
Karl Klaus |
| Name Origin: |
From the Latin word Ruthenia (Russia) |
| Uses: |
platinum alloys |
| Obtained From: |
pentlandite, pyroxinite |
| Atomic Number: |
44 |
| Atomic Mass: |
101.07 amu |
| Melting Point: |
2250.0 °C (2523.15 K, 4082.0 °F) |
| Boiling Point: |
3900.0 °C (4173.15 K, 7052.0 °F) |
| Crystal Structure: |
Hexagonal |
| Density @ 293 K: |
12.2 g/cm3 |
| Color: |
silvery |
| Isotope |
Ru-96 |
Ru-97 |
Ru-98 |
Ru-99 |
Ru-100 |
Ru-101 |
Ru-102 |
Ru-103 |
Ru-104 |
Ru-105 |
Ru-106 |
| Half Life |
Stable |
2.89 days |
Stable |
Stable |
Stable |
Stable |
Stable |
39.27 days |
Stable |
4.44 hours |
1.02 years |
|
