Molecules {metal complex} can have metal ions with d orbitals, which chemically bind other molecules at smaller energy levels than s or p orbitals, lowering energy levels to visible-light range from ultraviolet-light range. Iron compounds are red. Cobalt compounds are blue. Nickel compounds are green. Copper compounds are blue or green. Lead compounds are white. Silver compounds are black.
Physical Sciences>Chemistry>Inorganic>Chemical>Molecule>Kinds
5-Chemistry-Inorganic-Chemical-Molecule-Kinds
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Date Modified: 2022.0224