| name | Argon |
| latin | Argon |
| french | Argon |
| german | Argon |
| symbol | Ar |
| proton number | 18 |
| atomic weight | 39.948 |
| Pauling electronegativity | - |
| electronic configuration | [Ne] 3s23p6 1s22s22p63s23p6 |
| melting point | 83.8 K, -189.35°C, -308.83°F |
| boiling point | 87.3 K, -185.85°C, -302.53°F |
| group | 18 |
| period | 3 |
| state (by 20°C) | gas |
| oxidation states | - |
| Year of discovery | Discoverers |
| 1894 | Lord John William Strutt Rayleigh (1842-1919) Sir William Ramsay (1852-1916) |