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ChemicalElements.com: Radium
Basic information, atomic structure, and isotopes.
EnvironmentalChemistry.com: Radium
Atomic structure, chemical and physical properties, and table of nuclides.
It's Elemental: Radium
Basic physical and historical information.
Lenntech: Radium
Physical data, chemical properties, health and environmental effects.
WebElements: Radium
Extensive information on history, uses, occurrence, compounds, and properties.
Wikipedia: Radium
Properties of the element, including its history, applications, and characteristics.
Radiochemistry of Radium
Full text of the monograph by Murrell L. Salutsky (W.R. Grace and Co., Research Division, Washington Research Center, Clarksville, Maryland) and H. W. Kirby (Mound Laboratory, Miamisburg, Ohio). [PDF] (December 01, 1964)
[Periodic Table Mozilla]
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