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Basic information, atomic structure, and isotopes.
Atomic structure, properties, and table of nuclides.
Basic physical and historical information.
Physical data, chemical properties, health and environmental effects.
Extensive information on history, uses, occurrence, compounds, and properties.
Details the properties of the element, including its history, applications, and characteristics.
Extensive information on history, uses, occurrence, compounds, and properties.
Details the properties of the element, including its history, applications, and characteristics.
Basic information, atomic structure, and isotopes.
Basic physical and historical information.
Atomic structure, properties, and table of nuclides.
Physical data, chemical properties, health and environmental effects.

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November 3, 2012 at 11:24:04 UTC
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