Home > Science > Chemistry > Elements > Protactinium
http://www.chemicalelements.com/elements/pa.html
Basic information, atomic structure, and isotopes.
http://environmentalchemistry.com/yogi/periodic/Pa.html
Atomic structure, chemical and physical properties, and table of nuclides.
http://education.jlab.org/itselemental/ele091.html
Basic physical and historical information.
http://library.lanl.gov/cgi-bin/getfile?rc000046.pdf
Full text of the monograph by H. W. Kirby (Mound Laboratory, Miamisburg, Ohio).
http://www.webelements.com/protactinium/
Extensive information on history, uses, occurrence, compounds, and properties.
Home > Science > Chemistry > Elements > Protactinium
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