Th | Z = 90 | ◊ ◊ ◊ ◊ ◊ |
Thorium | |
From the Old Norse "Thor", meaning "thunder" | ||||
(AM) Atomic Mass | 232.0381 amu | ♦ | ![]() |
+4 |
![]() |
4790  °C | ♦ | ![]() |
1750 °C |
![]() |
11 g/cm3 | ♦ | ![]() |
Face Centered Cubic |
![]() |
1.3 | ♦ | ![]() |
1.65  Å |
![]() |
Solid | ♦ | (C) Heat Capacity | 0.113 J/g °C |
Electronic-Config | [Rn]  6d2  7s2  | ♦ | ![]() |
586.63 kJ/mol |
![]() |
514 kJ/mol | ♦ | ![]() |
13.81 kJ/mol |
![]() |
1829 | ♦ | ![]() |
Sweden |
(E°) Standard Potential | Th4+⇔ Th (-1.899 V) | |||
Stable isotopes |  232Th | |||
Discovered/Synthesized by | Jöns Jacob Berzelius | |||
Natural Source | The mineral/ore monazite | |||
Common Uses | Nuclear reactor fuel, gas lamp mantles, tungsten filaments | |||
Other Info | Promising substitute for Uranium in new generation of nuclear reactors | |||
Previous Element![]() |
![]() |
Next Element![]() |
||
Back to Table![]() |
Common Properties![]() |
|||
Home Page![]() |
Definitions![]() |