Properties of the element, including its history, applications, and characteristics.
Basic information, atomic structure, and table of isotopes.
Information on history, uses, occurrence, compounds, and properties of the element.
Basic physical and historical information.
Numeric data, uses, and general information.
Atomic structure, chemical and physical properties, and table of nuclides.
Physical data, chemical properties, and health effects.
Animation, uses, physical information, and key isotopes.