Radium
ChemGlobe: Radium
Electronic, thermal, and steric data along with an isotope table.
ChemicalElements.com: Radium
Basic information, atomic structure, and isotopes.
EnvironmentalChemistry.com: Radium
Atomic structure, chemical and physical properties, and table of nuclides.
Radiochemistry of Radium
Full text of the monograph by Murrell L. Salutsky (W.R. Grace & Co., Research Division, Washington Research Center, Clarksville, Maryland) and H. W. Kirby (Mound Laboratory, Miamis…
Visual Elements: Radium
Image, general and physical information, source, uses, key isotopes, and ionisation energies.
WebElements: Radium
Extensive information on history, uses, occurrence, compounds, and properties.
Wikipedia: Radium
Properties of the element, including its history, applications, and charateristics.
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