Hydrogen

• Science: Chemistry: Elements: Nonmetals  (4)
• Science: Technology: Energy: Hydrogen  (127)

ChemGlobe: Hydrogen :

- Electronic, thermal, and steric data along with basic information.
Chemical of the Week: Hydrogen :

- Equations for reactions between hydrogen and other substances.
ChemicalElements.com: Hydrogen :

- Basic information, atomic structure, and table of isotopes.
EnvironmentalChemistry.com: Hydrogen :

- Atomic structure, chemical and physical properties, and table of nuclides.
Especiál Gas Inc.: Hydrogen :

- Numeric data, uses, and general information.
Hydrogen Energies and Spectrum :

- The Bohr model for an electron transition in hydrogen between quantized energy levels with different quantum numbers n yields a photon by emission with quantum energy.
It's Elemental: Hydrogen :

- Basic physical and historical information.
LANL: Hydrogen :

- Brief reference on the element includes discussion of the sources of hydrogen, its current uses, and potential for new energy applications.
Lenntech: Hydrogen :

- Physical data, chemical properties, health and environmental effects.
Visual Elements: Hydrogen :

- General and physical information, uses, and key isotopes.
Wikipedia: Hydrogen :

- Properties of the element, including its history, applications, and characteristics.