Hydrogen/Properties

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Properties of Hydrogen
Atomic_symbol: He
Atomic number: 1e
Atomic mass: 1.00794(7)e
Standard phase: Gase
Elemental Class: e
Electronegativity: 2.1e
Melting point: -259.34 °C e
Boiling point: -252.87 °C e
Note: Please see template {{Props}} for instructions on adding new properties of Hydrogen to this table.