Tm69 – Thulium

  • Atomic Number: 69
  • Atomic Symbol: Tm
  • Atomic Name: Thulium
  • Atomic Mass: 168.93422
  • CPK Hex Color: 00D452
  • Electron Configuration: [Xe]6s2 4f13
  • Electron Negativity: 1.25
  • Atomic Radius: 227
  • Ionization Energy: 6.184
  • Electron Affinity:
  • Oxidation States: 3
  • Standard State: Solid
  • Melting Point: 1818
  • Boiling Point: 2223
  • Density: 9.32
  • Group Block: Lanthanide
  • Year Discovered: 1879

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