Hydrogen
Hydrogen | |
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Atomic Number: 1 Atomic Weight: 1.00794 Melting Point: 13.81 K (-259.34°C or -434.81°F) Boiling Point: 20.28 K (-252.87°C or -423.17°F) Density: 0.00008988 grams per cubic centimeter Phase at Room Temperature: Gas Element Classification: Non-metal Period Number: 1 Group Number: 1 Group Name: none |