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The Physical Properties of Hydrogen

Module by: Andrew R. Barron. E-mail the author

Table 1: Physical properties of hydrogen.
Chemical symbol H
Atomic number 1
Electron configuration 1s1
Atomic weight 1.00794
Melting point -259 °C
Boiling point -253 °C
Density (gas) 0.090 g/L
Density (liquid) 0.070 g/L
Ionization potential 13.598 eV
Pauling electronegativity 2.1
Ionic radius (H-) 1.54 Å
van der Waal radius 1.2 Å
Explosive limit 4 - 75%
Ignition temperature 585 °C

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Definition of a lens

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A lens is a custom view of the content in the repository. You can think of it as a fancy kind of list that will let you see content through the eyes of organizations and people you trust.

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