Developing Metals

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  • Developing Metals
    • transition metals
      • transition metals as catalysts
        • homogeneous catalysts forms intermediates by reduction or oxidation of transition metal ions
        • heterogeneous catalysts forms weak bonds using 4s and 3d electrons
      • d-block elements form ions with incomplete d-sub-shell
        • electron configuration of atoms and ions
        • shapes of orbitals
    • redox reactions and half-equations
      • balancing half equations
        • procedure for manganate titrations
    • complex ions: central metal ion surrounded by ligands
      • coordination number: number of bonds formed to the central metal ion
        • coordination number: 2 - linear
        • coordination number: 4 - square planar
        • coordination number: 6 - octahedral
        • coordination number: 4 - tetrahedral
      • ligand: molecule or ion with a lone pair of electrons, which can bond to a metal ion
        • bidentate ligands
        • polydentate ligands
    • electrochemical cells
      • half-cells and half-equations
        • variable oxidation states of transition metal ions
          • colours of aqueous ions and precipitates of transition metal ions
            • use of colorimeters to measure concentration
      • procedure for setting up electrochemical cells
      • standard electrode potentials relative to hydrogen electrode
        • calculating E-cell difference between standard electrode potentials
        • predicting feasibility of reactions
          • rusting
            • protecting against rusting

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