Technetium – Tc43

Tc43 – Technetium

  • Atomic Number43
  • Atomic SymbolTc
  • Atomic NameTechnetium
  • Atomic Mass96.90636
  • CPK Hex Color3B9E9E
  • Electron Configuration[Kr]5s2 4d5
  • Electron Negativity1.9
  • Atomic Radius209
  • Ionization Energy7.28
  • Electron Affinity0.55
  • Oxidation States+7, +6, +4
  • Standard StateSolid
  • Melting Point2430
  • Boiling Point4538
  • Density11
  • Group BlockTransition metal
  • Year Discovered1937

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