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Application Notes

Hydrogen • Non-Metals

Primary XPS region: N/A
Overlapping regions: N/A
Binding energies of common chemical states: N/A

Experimental Information

Interpretation of XPS Spectra


General comments


crystal structureAbout This Element

Symbol: H
Date of Discovery: 1766
Name Origin: Greek hydro and gennan
Appearance: colorless
Discoverer: Henry Cavendish
Obtained From: mines, oil, gas wells

Melting Point: 14.01 K
Boiling Point: 20.28 K
Density[kg/m3]: 0.08988
Molar Volume: 11.42 × 10-6 m3/mol
Protons/Electrons: 1
Neutrons: 0
Shell Structure:
Electron Configuration: 1s1
Oxidation State: 1,-1
Crystal Structure: Hexagonal

Hydrogen is the most abundant element in the universe, making up 75% of matter by mass and over 90% by number of atoms. This element is found in great quantities in stars and gas giant planets. Lighter than air, hydrogen had been used as a lifting agent in balloons and airships. However, due to its risk of fire its use has been discontinued following the Hindenburg disaster in 1937. Hydrogen isotopes are used in the production of hydrogen bombs. In the solar wind, hydrogen’s plasma interacts with the earth’s magnetosphere giving rise to Birkeland currents and the aurora borealis.

Application Notes

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