Tm69 – Thulium
- Atomic Number69
- Atomic SymbolTm
- Atomic NameThulium
- Atomic Mass168.93422
- CPK Hex Color00D452
- Electron Configuration[Xe]6s2 4f13
- Electron Negativity1.25
- Atomic Radius227
- Ionization Energy6.184
- Electron Affinity
- Oxidation States3
- Standard StateSolid
- Melting Point1818
- Boiling Point2223
- Density9.32
- Group BlockLanthanide
- Year Discovered1879
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