Définition | Vanadium : qu'est-ce que c'est ? | Futura sciences
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Shine bright like vanadium! Vanadium can exist in four adjacent oxidation states (from 2⁺ to 5⁺). In aqueous solution, it forms metal aquo complexes. The color of these complexes depends on the oxidation state of vanadium: lilac [V(H₂O)₆]²⁺, green [V(H₂O)₆]³⁺, blue [VO(H₂O)₅]²⁺ and yellow VO³⁻. Ammonium vanadate (V) (NH₄VO₃) can be successively reduced with elemental zinc to obtain different colors of vanadium in these four oxidation states. Lower oxidation states occur in compounds such as V(CO
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Vanadium crystallizes with a body-centered cubic unit cell. The radius of a vanadium atom is 134 pm. Calculate the density of solid crystalline vanadium in grams per cubic centimeter:Express your answer with the appropriate units.density (p) = ValueUnitsSubmitPrevious Answers Request AnswerIncorrect; Try Again; attempts remaining
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