Periodic Table Of The Elements

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Atomic Number: 1
Symbol: H
Name: Hydrogen
Group: 1
Period: 1
Weight: 1.00794(7)
Density: 0.00008988
Melting Point: 14.175
Boiling Point: 20.28
Specific Heat Capacity: 14.304
Electronegativity: 2.20
Abundance: 1400