I53 – Iodine

  • Atomic Number: 53
  • Atomic Symbol: I
  • Atomic Name: Iodine
  • Atomic Mass: 126.9045
  • CPK Hex Color: 940094
  • Electron Configuration: [Kr]5s2 4d10 5p5
  • Electron Negativity: 2.66
  • Atomic Radius: 198
  • Ionization Energy: 10.451
  • Electron Affinity: 3.059
  • Oxidation States: +7, +5, +1, -1
  • Standard State: Solid
  • Melting Point: 386.85
  • Boiling Point: 457.55
  • Density: 4.93
  • Group Block: Halogen
  • Year Discovered: 1811

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