Erbium - Elements, Chemistry

Lanthanides - Elements, Chemistry, Science 2

Electronic, thermal, and steric data along with an isotope table.

Basic information, atomic structure, and isotopes.

Atomic structure, chemical and physical properties, and table of nuclides.

Basic physical and historical information.

Basic information and history.

Physical data, chemical properties, health and environmental effects.

Image, physical information, key isotopes, and ionisation energies.

Extensive information on history, uses, occurrence, compounds, and properties.

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

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