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