Overview and basic data.
Atomic structure, properties, and table of nuclides.
Basic physical and historical information.
Basic information, atomic structure, and isotopes.
Data tables and historic information.
Image, general and physical information, and key isotopes.
Extensive information on history, uses, compounds, and properties.
Physical data, chemical properties, health and environmental effects.
Basic information and history.
Electronic, thermal, and steric data along with an isotope table.
Science /
Chemistry /
Elements /
Actinides
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