Argon
Argon | |
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Atomic Number: 18 Atomic Weight: 39.948 Melting Point: 83.80 K (-189.35°C or -308.83°F) Boiling Point: 87.30 K (-185.85°C or -302.53°F) Density: 0.0017837 grams per cubic centimeter Phase at Room Temperature: Gas Element Classification: Non-metal Period Number: 3 Group Number: 18 Group Name: Noble Gas |