The lanthanide contraction is given as an explanation for the fact that the 6th period transition metals

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The lanthanide contraction is given as an explanation for the fact that the 6th period transition metals have
(a) Lower densities than the 5th period transition elements.
(b) Atomic radii similar to the 5th period transition elements.
(c) Lower melting points than the 5th period transition elements.

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Chemistry And Chemical Reactivity

ISBN: 9780357001172

10th Edition

Authors: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

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