Difference between revisions of "Protactinium"
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|density = 15.37(8) g cm<sup>−3</sup> | |density = 15.37(8) g cm<sup>−3</sup> | ||
|resistivity = 19.1{{e|−6}} Ω cm | |resistivity = 19.1{{e|−6}} Ω cm | ||
| − | |chem-ref = | + | |chem-ref = <ref>{{Pauling3rd|pages=88–95}}.</ref> |
| − | |electronegativity = | + | |electronegativity = 1.5 (Pauling) |
|IE-ref = <ref>{{citation | last = Sugar | first = Jack | title = Ionization energies of the neutral actinides | journal = J. Chem. Phys. | year = 1973 | volume = 59 | pages = 788–91 | doi = 10.1063/1.1680091}}. {{citation | last = Sugar | first = Jack | title = Revised ionization energies of the neutral actinides | journal = J. Chem. Phys. | year = 1974 | volume = 60 | page = 4103 | doi = 10.1063/1.1680874}}.</ref> | |IE-ref = <ref>{{citation | last = Sugar | first = Jack | title = Ionization energies of the neutral actinides | journal = J. Chem. Phys. | year = 1973 | volume = 59 | pages = 788–91 | doi = 10.1063/1.1680091}}. {{citation | last = Sugar | first = Jack | title = Revised ionization energies of the neutral actinides | journal = J. Chem. Phys. | year = 1974 | volume = 60 | page = 4103 | doi = 10.1063/1.1680874}}.</ref> | ||
|IE1 = 5.89(12) eV<br/>568(12) kJ mol<sup>−1</sup> | |IE1 = 5.89(12) eV<br/>568(12) kJ mol<sup>−1</sup> | ||
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Protactinium (symbol: Pa) is a member of the actinoid series of chemical elements.
Notes and references
Notes
- ↑ The configuration [Rn] 5f1 6d2 7s2 is given as a possible alternative in some textbooks.
References
- ↑ 1.0 1.1 Myasoedov, Boris F.; Kirby, H. W.; Tananaev, Ivan G. Protactinium. In The Chemistry of the Actinide and Transactinide Elements, 3rd ed.; Morss, Lester R.; Edelstein, Norman M.; Fuger, Jean, Eds.; Springer: Dordrecht, the Netherlands, 2006; Vol. 1, Chapter 4, pp 161–252. doi:10.1007/1-4020-3598-5_4, <http://radchem.nevada.edu/classes/rdch710/files/protactinium.pdf>.
- ↑ 2.0 2.1 Greenwood, Norman N.; Earnshaw, A. Chemistry of the Elements; Pergamon: Oxford, 1984; pp 1450–86. ISBN 0-08-022057-6.
- ↑ Pauling, Linus The Nature of the Chemical Bond, 3rd ed.; Ithaca, NY, 1960; pp 88–95. ISBN 0-8014-0333-2.
- ↑ Sugar, Jack Ionization energies of the neutral actinides. J. Chem. Phys. 1973, 59, 788–91. DOI: 10.1063/1.1680091. Sugar, Jack Revised ionization energies of the neutral actinides. J. Chem. Phys. 1974, 60, 4103. DOI: 10.1063/1.1680874.
- ↑ Cordero, Beatriz; Gómez, Verónica; Platero-Prats, Ana E.; Revés, Marc; Echeverría, Jorge; Cremades, Eduard; Barragán, Flavia; Alvarez, Santiago Covalent radii revisited. Dalton Trans. 2008 (5), 2832–38. DOI: 10.1039/b801115j.
- ↑ Shannon, R. D. Revised effective ionic radii and systematic studies of interatomic distances in halids and chalcogenides. Acta Crystallogr. A 1976, 32 (5), 751–67. DOI: 10.1107/S0567739476001551.
External links
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See also the corresponding article on Wikipedia. |
