Hydrogen
Hydrogen
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Hydrogen ΒΆ
AtomicNumber: 1
Element: Hydrogen
Symbol: H
AtomicMass: 1.007
NumberofNeutrons: 0
NumberofProtons: 1
NumberofElectrons: 1
Period: 1
Group: 1.0
Phase: gas
Radioactive: nan
Natural: yes
Metal: nan
Nonmetal: yes
Metalloid: nan
Type: Nonmetal
AtomicRadius: 0.79
Electronegativity: 2.2
FirstIonization: 13.5984
Density: 8.99e-05
MeltingPoint: 14.175
BoilingPoint: 20.28
NumberOfIsotopes: 3.0
Discoverer: Cavendish
Year: 1766.0
SpecificHeat: 14.304
NumberofShells: 1
NumberofValence: 1.0