Thorium
Contributor:
About the Display:
About the Contributor:
Back to the Periodic Table
| <Previous element-| | |-Onward to the next element!> |
Symbol: Th
Atomic Number: 90
Atomic Mass: 232.038 u
Electron Configuration: [Rn] 6d27s2
Year Discovered: 1829
Discovered By: Jöns Jacob Berzelius