Neodymium

WebElements: Nitrogen WebElements: Nitrogen- Extensive information on history, uses, occurrence, compounds, and properties of the element. Lenntech: Nitrogen Lenntech: Nitrogen- Physical data, chemical properties, health and environmental effects. EnvironmentalChemistry.com: Nitrogen EnvironmentalChemistry.com: Nitrogen- Atomic structure, chemical and physical properties, and table of nuclides. USGS Minerals Information: Nitrogen USGS Minerals Information: Nitrogen- Statistics and information on the worldwide supply, demand, and flow of the element (PDF format). Especiál Gas Inc.: Nitrogen Especiál Gas Inc.: Nitrogen- Numeric data, uses, and general information. It's Elemental: Nitrogen It's Elemental: Nitrogen- Basic physical and historical information. ChemicalElements.com: Nitrogen ChemicalElements.com: Nitrogen- Basic information, atomic structure, and table of isotopes. Wikipedia: Nitrogen Wikipedia: Nitrogen- Properties of the element, including its history, applications, and characteristics.