Astatine – At85

At85 – Astatine

  • Atomic Number: 85
  • Atomic Symbol: At
  • Atomic Name: Astatine
  • Atomic Mass: 209.98715
  • CPK Hex Color: 754F45
  • Electron Configuration: [Xe]6s2 4f14 5d10 6p5
  • Electron Negativity: 2.2
  • Atomic Radius: 202
  • Ionization Energy: 9.5
  • Electron Affinity: 2.8
  • Oxidation States: 7, 5, 3, 1, -1
  • Standard State: Solid
  • Melting Point: 575
  • Boiling Point:
  • Density: 7
  • Group Block: Halogen
  • Year Discovered: 1940

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

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