See also:

• Science: Chemistry: Elements: Actinides  (1)

• ChemGlobe: Berkelium - Electronic and thermal data along with an isotope table.
• ChemicalElements.com: Berkelium - Basic information, atomic structure, and isotopes.
• The Columbia Encyclopedia: Berkelium - Overview for the general reader.
• EnvironmentalChemistry.com: Berkelium - Atomic structure, chemical and physical properties, and table of nuclides.
• It's Elemental: Berkelium - Basic physical and historical information.
• LANL: Berkelium - Basic information and history.
• Lenntech: Berkelium - Physical data, chemical properties, and health effects.
• Visual Elements: Berkelium - General and physical information, and key isotopes.
• WebElements: Berkelium - Extensive information on history, compounds, and properties.

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