Science: Chemistry: Elements: Protactinium
Britannica Nobel Prize: Protactinium
Overview and basic data.
Electronic, thermal, and steric data along with an isotope table.
Basic information, atomic structure, and isotopes.
Atomic structure, chemical and physical properties, and table of nuclides.
It's Elemental: Protactinium
Basic physical and historical information.
Basic information and history.
Data tables and historic information.
Visual Elements: Protactinium
General and physical information, source, and key isotopes.
Extensive information on history, uses, occurrence, compounds, and properties.
Radiochemistry of Protactinium
Full text of the monograph by H. W. Kirby (Mound Laboratory, Miamisburg, Ohio). [PDF] (December, 1959)
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