2020/5/151Chapter8:TransitionMetals8.1ChemistryoftheTransitionMetals(PropertiesofTransitionMetals)8.1.1PhysicalProperties8.1.2OxidationStatesoftheTransition‐MetalElementsContentsGold and Platinum Platinumismore expensive,it is rarer and much lessthan gold.SomeTransitionMetalsImportedtotheU.S.EconomyandDefensePropertyofTransitionMetals•Malleable•Ductile•Conductivity•Harder, comparing to A-Group metal elements•Metallurgy1234