Compare Element Properties

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PropertyHe Helium
? N/A
Atomic number2N/A
SymbolHeN/A
NameHeliumN/A
Categorynoble-gasN/A
Standard Atomic Weight4.002602 uN/A
Period1N/A
Group18N/A
BlocksN/A
Phase at STPgasN/A
Electron configuration1s2N/A
Oxidation states[0]N/A
Electronegativity (Pauling)N/AN/A
Electron affinity-0.5 eVN/A
Density0.1785 kg/m³N/A
Melting point-272.2 °CN/A
Boiling point-268.93 °CN/A
Discovery year1868N/A