Ac89 – Actinium
- Atomic Number: 89
- Atomic Symbol: Ac
- Atomic Name: Actinium
- Atomic Mass: 227.02775
- CPK Hex Color: 70ABFA
- Electron Configuration: [Rn]7s2 6d1
- Electron Negativity: 1.1
- Atomic Radius: 260
- Ionization Energy: 5.17
- Electron Affinity:
- Oxidation States: 3
- Standard State: Solid
- Melting Point: 1324
- Boiling Point: 3471
- Density: 10.07
- Group Block: Actinide
- Year Discovered: 1899
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