Es99 – Einsteinium

  • Atomic Number: 99
  • Atomic Symbol: Es
  • Atomic Name: Einsteinium
  • Atomic Mass: 252.083
  • CPK Hex Color: B31FD4
  • Electron Configuration: [Rn]7s2 5f11
  • Electron Negativity: 1.3
  • Atomic Radius: 245
  • Ionization Energy: 6.42
  • Electron Affinity:
  • Oxidation States: 3
  • Standard State: Solid
  • Melting Point: 1133
  • Boiling Point:
  • Density:
  • Group Block: Actinide
  • Year Discovered: 1952

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