| Chloro ←Argon →Potassium |
| Apparentia |
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| un gas incolor que exhibite un brillantia violette in un campo electric de alte voltage |
| Proprietates atomic |
| Nomine,symbolo,numero | Argon, Ar, 18 |
| Serie chimic | gas nobile |
| Gruppo,periodo,bloco | 18, 3, p |
| Configuration electronic | [Ne] 3s2 3p6 |
| Proprietates physic |
| Stato | gas |
| Massa molar | 39,948(1) g·mol−1 |
| Densitate | (0 °C, 101,325 kPa) 1,784 g/L |
| Densitate liquide alp.e. | 1,40 g·cm−3 |
| Puncto de fusion | 83,80 K, −189,35 °C, −308.83 °F |
| Puncto de ebullition | 87,30 K, −185,85 °C, −302.53 °F |
| Puncto triple | 83,8058 K (-189 °C), 69 kPa |
| Puncto critic | 150,87 K, 4,898 MPa |
| Calor de fusion | 1,18 kJ·mol−1 |
| Calor de vaporisation | 6,43 kJ·mol−1 |
| Calor specific | 20,786 J·mol−1·K−1 |
| Conductivitate thermal | 17,72×10−3 W·m−1·K−1 |
| Velocitate de sono | (gas, 27 °C) 323 m·s−1 |
| Valores in unitates SI e in le conditiones normal del material (25 °C, 100 kPa) si non indica al contrario. |
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