Zn, Cd, Hg, and Mn are exceptions to displaying typical metallic properties among transition elements. Zn, Cd, and Hg lack typical metallic structures, while Mn deviates due to its anomalous values in terms of melting points.
Which transition elements are exceptions to displaying typical metallic properties, and why are they exceptions?
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Zinc (Zn), Cadmium (Cd), Mercury (Hg), and Manganese (Mn) are exceptions to displaying typical metallic properties among transition elements. Zinc, Cadmium, and Mercury are exceptions because they have full d¹⁰ configurations in their ground states, making them relatively unreactive and resembling post-transition metals. Manganese is an exception due to its position in the 3d series; it exhibits variable oxidation states and forms compounds with diverse colors, unlike other elements in the 3d series. These exceptions arise from their unique electronic configurations and positions in the periodic table, leading to deviations from typical metallic behaviors.