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Rutherfordium element electron configuration

The elements Lr-112 are expected (nonrelativistically) to be d-block elements because they are expected to involve the filling of the 6d orbital. However, relativistic calculations have shown that rutherfordium prefers a 6d 7p electron configuration rather than the 6d2 configuration expected for nonrelativistic behavior and a simple extrapolation of periodic table trends. This prediction also implies that RfCLt should... [Pg.454]

Hahnium (Ha) is expected to have the valence-electron configuration 7s 6d and thus to be a homolog of tantalum (with the valence electron configuration 6s 5d ). Zvara etal. (1976) have carried out a set of thermochromatography experiments similar to those done with rutherfordium. The isotope used for the study was the 1.8-s Ha produced in the Am( Ne, 4n) reaction, with detection by observation of its decay by spontaneous fission. The results of the experiments show the volatility of the chlorides and bromides of hahnium to be less than that of niobium (a 4d element which has the same deposition temperature in the chromatographic apparatus as tantalum) but relatively similar to that of hafnium. Gaggeler etaL (1992) and Tiirler et al. (1992), using the isotopes Ha (half-fives 34 s and 27 s), similarly find that the... [Pg.24]


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Electron elements

Electronic configuration, element

Electronics elements

Elements electron configuration

Rutherfordium

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