K19 – Potassium
- Atomic Number19
- Atomic SymbolK
- Atomic NamePotassium
- Atomic Mass39.0983
- CPK Hex Color8F40D4
- Electron Configuration[Ar]4s1
- Electron Negativity0.82
- Atomic Radius275
- Ionization Energy4.341
- Electron Affinity0.501
- Oxidation States1
- Standard StateSolid
- Melting Point336.53
- Boiling Point1032
- Density0.89
- Group BlockAlkali metal
- Year Discovered1807
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