Erbium - Includes the history of the element, and a data sheet.
It's Elemental: Erbium - Basic physical and historical information.
ChemicalElements.com: Erbium - Basic information, atomic structure, and isotopes.
EnvironmentalChemistry.com: Erbium - Atomic structure, chemical and physical properties, and table of nuclides.
WebElements: Erbium - Extensive information on history, uses, occurrence, compounds, and properties.
Lenntech: Erbium - Physical data, chemical properties, health and environmental effects.
Wikipedia: Erbium - Properties of the element, including its history, applications, and characteristics.
LANL: Erbium - Basic information and history.
ChemGlobe: Erbium - Electronic, thermal, and steric data along with an isotope table.
|