» ChemGlobe: Nitrogen - Electronic, thermal, and steric data along with basic facts and an isotope table.
» ChemicalElements.com: Nitrogen - Basic information, atomic structure, and table of isotopes.
» EnvironmentalChemistry.com: Nitrogen - Atomic structure, chemical and physical properties, and table of nuclides.
» Especiál Gas Inc.: Nitrogen - Numeric data, uses, and general information.
» It's Elemental: Nitrogen - Basic physical and historical information.
» LANL: Nitrogen - History, sources, natural compounds, and ammonia.
» Lenntech: Nitrogen - Physical data, chemical properties, health and environmental effects.
» Nitrogen - Data tables and historic information.
» USGS Minerals Information: Nitrogen - Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
» Visual Elements: Nitrogen - Animation, uses, physical information, and key isotopes.
» WebElements: Nitrogen - Extensive information on history, uses, occurrence, compounds, and properties of the element.
» Wikipedia: Nitrogen - Properties of the element, including its history, applications, and characteristics.
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