Th90 – Thorium
- Atomic Number90
- Atomic SymbolTh
- Atomic NameThorium
- Atomic Mass232.038
- CPK Hex Color00BAFF
- Electron Configuration[Rn]7s2 6d2
- Electron Negativity1.3
- Atomic Radius237
- Ionization Energy6.08
- Electron Affinity
- Oxidation States4
- Standard StateSolid
- Melting Point2023
- Boiling Point5061
- Density11.72
- Group BlockActinide
- Year Discovered1828
Periodic Table of Elements. (2022, December 23). In PubChem and the National Library of Medicine. https://pubchem.ncbi.nlm.nih.gov/periodic-table/#view=table