Description: Argon Element Specifications:
Element Name: Argon
Element Symbol: 18
Element Number: 18
Element Mass: 39.95000
Element Boiling Point: -186.00 °C
Element Melting Point: -189.30 °C
Element Proton Count: 18
Element Electron Count: 18
Element Neutron Count: 22
Element Density (g/cm³): 1.78400
Element Color (estimate): Colorless