Es99 – Einsteinium
- Atomic Number99
- Atomic SymbolEs
- Atomic NameEinsteinium
- Atomic Mass252.083
- CPK Hex ColorB31FD4
- Electron Configuration[Rn]7s2 5f11
- Electron Negativity1.3
- Atomic Radius245
- Ionization Energy6.42
- Electron Affinity
- Oxidation States3
- Standard StateSolid
- Melting Point1133
- Boiling Point
- Density
- Group BlockActinide
- Year Discovered1952
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