 |
| Date of Discovery: |
1801 |
| Discoverer: |
Charles Hatchet |
| Name Origin: |
After Niobe, daughter of mythical king (Tantalus) |
| Uses: |
No uses known |
| Obtained From: |
Columbite |
| Atomic Number: |
41 |
| Atomic Mass: |
92.90638 amu |
| Melting Point: |
2468.0 °C (2741.15 °K, 4474.4 °F) |
| Boiling Point: |
4927.0 °C (5200.15 °K, 8900.6 °F) |
| Crystal Structure: |
Cubic |
| Density @ 293 K: |
8.57 g/cm3 |
| Color: |
White |
Isotope |
Nb-90 |
Nb-91 |
Nb-91m |
Nb-92 |
Nb-92m |
Nb-93 |
Nb-93m |
Nb-94 |
Nb-94m |
Nb-95 |
Nb-95m |
Nb-96 |
Nb-97 |
Nb-97m |
Half Life |
14.6 hours |
700.0 years |
62.0 days |
3.6E7 years |
10.13 days |
Stable |
16.1 years |
20000.0 years |
6.26 min |
34.97 days |
3.61 days |
23.4 hours |
1.23 hours |
58.1 sec |
|
