Erbium

• Science: Chemistry: Elements: Lanthanides  (2)

ChemGlobe: Erbium :

- Electronic, thermal, and steric data along with an isotope table.
ChemicalElements.com: Erbium :

- Basic information, atomic structure, and isotopes.
EnvironmentalChemistry.com: Erbium :

- Atomic structure, chemical and physical properties, and table of nuclides.
It's Elemental: Erbium :

- Basic physical and historical information.
LANL: Erbium :

- Basic information and history.
Lenntech: Erbium :

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

- Image, physical information, key isotopes, and ionisation energies.
WebElements: Erbium :

- Extensive information on history, uses, occurrence, compounds, and properties.
Wikipedia: Erbium :

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