Hydrogen/Properties
< Hydrogen
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| 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. | ||