Characteristics of the element
| Symbol: Ar |
| Name: Argon |
| Latin name: Argon |
| Atomic number: 18 |
| Atomic mass: 39,948 |
| Melting point: -189,4 (°C) |
| Boiling point: -185,9 (°C) |
| Density 1,784 (g/cm 3 ) |
| Electronegativity: 2,9 |
| Oxidation number: 0 |
| Number of neutrons: 22 |
| Crystal structure: Cubic |
| Chemical serie: Noble gases |
| Color: colorless |
| Electron configuration: 2-8-8 |
| Year of discovery:: 1894 |
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Update: 26.11.25
Update: 26.11.25