Ra88 – Radium

  • Atomic Number: 88
  • Atomic Symbol: Ra
  • Atomic Name: Radium
  • Atomic Mass: 226.02541
  • CPK Hex Color: 007D00
  • Electron Configuration: [Rn]7s2
  • Electron Negativity: 0.9
  • Atomic Radius: 283
  • Ionization Energy: 5.279
  • Electron Affinity:
  • Oxidation States: 2
  • Standard State: Solid
  • Melting Point: 973
  • Boiling Point: 1413
  • Density: 5
  • Group Block: Alkaline earth metal
  • Year Discovered: 1898

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