Radium – Ra88

Ra88 – Radium

  • Atomic Number88
  • Atomic SymbolRa
  • Atomic NameRadium
  • Atomic Mass226.02541
  • CPK Hex Color007D00
  • Electron Configuration[Rn]7s2
  • Electron Negativity0.9
  • Atomic Radius283
  • Ionization Energy5.279
  • Electron Affinity
  • Oxidation States2
  • Standard StateSolid
  • Melting Point973
  • Boiling Point1413
  • Density5
  • Group BlockAlkaline earth metal
  • Year Discovered1898

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