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SOLUTIONS OF NICKEL AND ZINC CHLORIDE
Group IVa (14) Transition Metals in Solution
Most transition metals are colored, zinc compounds are not because the 3d orbitals are filled (which discounts it as a transition element) & the transfer of electrons from lower to higher energy orbitals can't occur. Aqueous NiCl2 is green.
Copyright:© 2008 Richard Megna - Fundamental Photographs
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