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Core - Chemistry

    Chapter 20

    Transition Metals and Coordination Complexes

    20.1 : Properties of Transition Metals02:58

    20.1 : Properties of Transition Metals

    Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups 3–12 are ...

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    20.2 : Coordination Compounds and Nomenclature02:54

    20.2 : Coordination Compounds and Nomenclature

    In most main group element compounds, the valence electrons of the isolated atoms combine to form chemical bonds that satisfy the octet rule. For ...

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    20.3 : Metal-Ligand Bonds02:51

    20.3 : Metal-Ligand Bonds

    The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain ...

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    20.4 : Coordination Number and Geometry02:57

    20.4 : Coordination Number and Geometry

    For transition metal complexes, the coordination number determines the geometry around the central metal ion. Table 1 compares coordination numbers to ...

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    20.5 : Structural Isomerism02:34

    20.5 : Structural Isomerism

    Isomerism in Complexes Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be ...

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    20.6 : Stereoisomerism02:52

    20.6 : Stereoisomerism

    Isomerism in Complexes Isomers are different chemical species that have the same chemical formula. Transition metal complexes often exist as geometric ...

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    20.7 : Valence Bond Theory02:42

    20.7 : Valence Bond Theory

    Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which ...

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    20.8 : Crystal Field Theory - Octahedral Complexes02:58

    20.8 : Crystal Field Theory - Octahedral Complexes

    Crystal Field Theory To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between ...

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    20.9 : Crystal Field Theory - Tetrahedral and Square Planar Complexes02:46

    20.9 : Crystal Field Theory - Tetrahedral and Square Planar Complexes

    Tetrahedral Complexes Crystal field theory (CFT) is applicable to molecules in geometries other than octahedral. In octahedral complexes, the lobes of ...

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    20.10 : Colors and Magnetism03:02

    20.10 : Colors and Magnetism

    Color in Coordination Complexes When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For ...

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