 |
| Date of Discovery: |
1843 |
| Discoverer: |
Carl Mosander |
| Name Origin: |
Ytterby (a town in Sweden) |
| Uses: |
In color TV's |
| Obtained From: |
With other rare earths |
| Atomic Number: |
65 |
| Atomic Mass: |
158.92534 amu |
| Melting Point: |
1360.0 °C (1633.15 °K, 2480.0 °F) |
| Boiling Point: |
3041.0 °C (3314.15 °K, 5505.8 °F) |
| Crystal Structure: |
Hexagonal |
| Density @ 293 K: |
8.27 g/cm3 |
| Color: |
Silverish |
Isotope |
Tb-151 |
Tb-155 |
Tb-156 |
Tb-157 |
Tb-158 |
Tb-159 |
Tb-160 |
Tb-161 |
Tb-162 |
Half Life |
17.61 hours |
5.3 days |
5.3 days |
110.0 years |
180.0 years |
Stable |
72.3 days |
6.91 days |
7.6 min |
|
