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Practice: Transition Metals

Which of the following statements explains why two versions of iron hydroxide, Fe(OH)3 and Fe(OH)2, exist?

  • ATransition metals and their compounds make good catalysts.
  • BTransition metals form colored compounds.
  • CTransition metals are magnetic.
  • DTransition metals have high melting points.
  • ETransition metals can have more than one ion.

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