 |
| Date of Discovery: |
1802 |
| Discoverer: |
Anders Ekeberg |
| Name Origin: |
After king Tantalus (Greek mythology) |
| Uses: |
Capacitors, camera lenses |
| Obtained From: |
Tantalite |
| Atomic Number: |
73 |
| Atomic Mass: |
180.9479 amu |
| Melting Point: |
2996.0 °C (3269.15 °K, 5424.8 °F) |
| Boiling Point: |
5425.0 °C (5698.15 °K, 9797.0 °F) |
| Crystal Structure: |
Cubic |
| Density @ 293 K: |
16.654 g/cm3 |
| Color: |
Gray |
Isotope |
Ta-179 |
Ta-180 |
Ta-181 |
Ta-182 |
Half Life |
1.8 years |
1.2E15 years |
Stable |
114.43 days |
|
