2.4.1
General Properties
The Transition Metals
The Transition Metals
The transition metals have a set of properties which are characteristic of them.
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Partially filled d sub-shell
Partially filled d sub-shell
- The transition metals are not just the metals in the d-block. The final triad of the d-block (Zn, Cd, Hg) are not usually thought of as transition metals.
- This is because they have a full d sub-shell. D orbitals are clover-shaped.
- The transition metals share their properties, and these properties come about because of a partially filled d sub-shell.


Metallic properties
Metallic properties
- The transition metals are metals. This means they have the usual metal properties:
- Hard.
- Sonorous (ring when hit).
- Shiny.
- Good electrical conductors.
- Good thermal conductors.


Ionic properties
Ionic properties
- The ions of the transition metals have properties which are NOT shared by other metals:
- They have multiple oxidation states.
- They form coloured ions in solution.
- They are often great catalysts for chemical reactions.
- They form complexes with ligands (we’ll explain next what that means).


Ligands
Ligands
- A ligand is a molecule which forms a dative bond with a transition metal.
- The ligand donates a lone pair to the transition metal ion.
- An ion with ligands attached to it is called a complex ion.
- We define the co-ordination number of an ion as the number of dative bonds between a metal ion and its ligands.


Melting point & densities
Melting point & densities
- Transition metals have high melting points. They generally have higher melting points than s-block metals like calcium.
- This is because there is delocalisation of s and d orbital electrons in transition metals. This gives stronger metallic bonding.
- Transition metals are also very dense. They have higher densities than s-block metals like calcium.
- This is because as you go across (left to right) the periodic table, the metallic radius of transition metal ions decreases. This is accompanied by an increased atomic mass.
1Physical Chemistry
1.1Atoms, Molecules & Stoichiometry
1.2Atomic Structure
1.2.1Fundamental Particles
1.2.2Isotopes & Mass Number
1.2.3Electron Shells, Sub-Shells & Orbitals
1.2.4Electron Configuration
1.2.5Ionisation Energy
1.2.6Factors Affecting Ionisation Energies
1.2.7Trends of Ionisation
1.2.8Specific Impacts on Ionisation Energies
1.2.9Electron Affinity
1.2.10End of Topic Test - Atomic Structure
1.2.11A-A* (AO2/3) - Atomic Structure
1.3Chemical Bonding
1.3.1Ionic Bonding
1.3.2Covalent & Dative Bonding
1.3.3Shapes of Molecules
1.3.4Intermolecular Forces
1.3.5Intermolecular Forces 2
1.3.6Electronegativity
1.3.7Bond Length, Bond Energy, & Bond Polarity
1.3.8Metallic Bonding
1.3.9Physical Properties
1.3.10End of Topic Test - Bonding
1.3.11A-A* (AO2/3) - Bonding
1.4States of Matter
1.5Chemical Energetics
1.6Electrochemistry
1.7Equilibria
1.7.1Dynamic Equilibrium & Le Chatelier
1.7.2Kc
1.7.3Kp
1.7.4pH
1.7.5The Ionic Product of Water
1.7.6Weak Acids & Bases
1.7.7Introduction to Solubility Equilibria
1.7.8Solubility Equilibria Calculations
1.7.9Free Energy of Dissolution
1.7.10pH and Solubility
1.7.11Common-Ion Effect
1.7.12End of Topic Test - Kp & Electrochemistry
1.7.13A-A* (AO2/3) - Electrochemical Cells
1.8Partition Coefficient
1.9Reaction Kinetics
1.9.1Collision Theory
1.9.2Orders, Rate Constants & Equations
1.9.3Rate Graphs
1.9.4Rate Determining Step
1.9.5Maxwell-Boltzmann Distribution
1.9.6Catalysts
1.9.7Homogeneous Catalysts
1.9.8Heterogeneous Catalysts
1.9.9End of Topic Test - Kinetics
1.9.10End of Topic Test - Rate Equations
1.9.11A-A* (AO2/3) - Rate Equations
2Inorganic Chemistry
2.1The Periodic Table
2.2Group 2
2.3Group 17
2.4Transition Metals
3Organic Chemistry & Analysis
3.1Introduction to Organic Chemistry
3.2Hydrocarbons
3.2.1Fractional Distillation
3.2.2Cracking
3.2.3Combustion
3.2.4Chlorination
3.2.5End of Topic Test - Alkanes
3.2.6Introduction to Alkenes
3.2.7Reactions of Alkenes
3.2.8Polymerisation Reactions
3.2.9End of Topic Test - Alkenes
3.2.10Arenes
3.2.11Evidence for Structure of Arenes
3.2.12Reactions of Benzene
3.2.13End of Topic Test -Arenes
3.3Halogen Derivatives
3.4Hydroxy Compounds
3.5Carbonyl Compounds
3.6Carboxylic Acids & Derivatives
3.7Nitrogen Compounds
3.8Polymerisation
3.9Analytical Techniques
3.9.1Chromatography
3.9.2High-Performance Liquid Chromatography
3.9.3Gas Chromatography
3.9.4IR Spectroscopy
3.9.5Uses of IR Spectroscopy
3.9.6Mass Spectrometry
3.9.7Mass Spectrometry Analysis
3.9.8Nuclear Magnetic Resonance
3.9.9Carbon-13 NMR
3.9.10Proton NMR I
3.9.11Proton NMR II
3.9.12End of Topic Test - Analytical Techniques
3.9.13A-A* (AO2/3) - Analytical Techniques
Jump to other topics
1Physical Chemistry
1.1Atoms, Molecules & Stoichiometry
1.2Atomic Structure
1.2.1Fundamental Particles
1.2.2Isotopes & Mass Number
1.2.3Electron Shells, Sub-Shells & Orbitals
1.2.4Electron Configuration
1.2.5Ionisation Energy
1.2.6Factors Affecting Ionisation Energies
1.2.7Trends of Ionisation
1.2.8Specific Impacts on Ionisation Energies
1.2.9Electron Affinity
1.2.10End of Topic Test - Atomic Structure
1.2.11A-A* (AO2/3) - Atomic Structure
1.3Chemical Bonding
1.3.1Ionic Bonding
1.3.2Covalent & Dative Bonding
1.3.3Shapes of Molecules
1.3.4Intermolecular Forces
1.3.5Intermolecular Forces 2
1.3.6Electronegativity
1.3.7Bond Length, Bond Energy, & Bond Polarity
1.3.8Metallic Bonding
1.3.9Physical Properties
1.3.10End of Topic Test - Bonding
1.3.11A-A* (AO2/3) - Bonding
1.4States of Matter
1.5Chemical Energetics
1.6Electrochemistry
1.7Equilibria
1.7.1Dynamic Equilibrium & Le Chatelier
1.7.2Kc
1.7.3Kp
1.7.4pH
1.7.5The Ionic Product of Water
1.7.6Weak Acids & Bases
1.7.7Introduction to Solubility Equilibria
1.7.8Solubility Equilibria Calculations
1.7.9Free Energy of Dissolution
1.7.10pH and Solubility
1.7.11Common-Ion Effect
1.7.12End of Topic Test - Kp & Electrochemistry
1.7.13A-A* (AO2/3) - Electrochemical Cells
1.8Partition Coefficient
1.9Reaction Kinetics
1.9.1Collision Theory
1.9.2Orders, Rate Constants & Equations
1.9.3Rate Graphs
1.9.4Rate Determining Step
1.9.5Maxwell-Boltzmann Distribution
1.9.6Catalysts
1.9.7Homogeneous Catalysts
1.9.8Heterogeneous Catalysts
1.9.9End of Topic Test - Kinetics
1.9.10End of Topic Test - Rate Equations
1.9.11A-A* (AO2/3) - Rate Equations
2Inorganic Chemistry
2.1The Periodic Table
2.2Group 2
2.3Group 17
2.4Transition Metals
3Organic Chemistry & Analysis
3.1Introduction to Organic Chemistry
3.2Hydrocarbons
3.2.1Fractional Distillation
3.2.2Cracking
3.2.3Combustion
3.2.4Chlorination
3.2.5End of Topic Test - Alkanes
3.2.6Introduction to Alkenes
3.2.7Reactions of Alkenes
3.2.8Polymerisation Reactions
3.2.9End of Topic Test - Alkenes
3.2.10Arenes
3.2.11Evidence for Structure of Arenes
3.2.12Reactions of Benzene
3.2.13End of Topic Test -Arenes
3.3Halogen Derivatives
3.4Hydroxy Compounds
3.5Carbonyl Compounds
3.6Carboxylic Acids & Derivatives
3.7Nitrogen Compounds
3.8Polymerisation
3.9Analytical Techniques
3.9.1Chromatography
3.9.2High-Performance Liquid Chromatography
3.9.3Gas Chromatography
3.9.4IR Spectroscopy
3.9.5Uses of IR Spectroscopy
3.9.6Mass Spectrometry
3.9.7Mass Spectrometry Analysis
3.9.8Nuclear Magnetic Resonance
3.9.9Carbon-13 NMR
3.9.10Proton NMR I
3.9.11Proton NMR II
3.9.12End of Topic Test - Analytical Techniques
3.9.13A-A* (AO2/3) - Analytical Techniques
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