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electron pair |
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electron pair [i′lek‚trän ′per] (physical chemistry) A pair of valence electrons which form a nonpolar bond between two neighboring atoms. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The proper voltage (about 2000 V) is obtained when the magnitude of the number of electron pairs is proportional to the x-ray energy of the incoming photon (just like a Si(Li) detector). The new calculations show in detail what other theorists previously sketched: that magnesium diboride contains two distinct families of electron pairs, one in which the electrons are weakly coupled and one in which they're strongly joined. Compared with transitions of electron pairs in super-conducting metals, which suddenly fall apart at certain temperatures, the rare earth transitions are "smeared," he says. |
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