K19 – Potassium
- Atomic Number: 19
- Atomic Symbol: K
- Atomic Name: Potassium
- Atomic Mass: 39.0983
- CPK Hex Color: 8F40D4
- Electron Configuration: [Ar]4s1
- Electron Negativity: 0.82
- Atomic Radius: 275
- Ionization Energy: 4.341
- Electron Affinity: 0.501
- Oxidation States: 1
- Standard State: Solid
- Melting Point: 336.53
- Boiling Point: 1032
- Density: 0.89
- Group Block: Alkali metal
- Year Discovered: 1807
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