Atoms and Molecules 2

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    1. Atoms and Molecules

    Relative masses of atoms and molecules

    The mole, the Avogadro Constant

    The determination of relative atomic masses,Ar, and relative molecularmasses, Mr, from mass spectra

    The calculation of empirical and molecular formulae

    Reacting masses and volumes (of solutions and gases)

    2. Atomic Structure

    The nucleus of the atom: neutrons and protons, isotopes,protons and nucleon numbers

    Electrons: electronic energy levels, ionization energies, atomic orbitals

    3. Chemical Bonding

    Ionic bonding

    Covalent bonding-the shapes of simple molecules-bond energies, bond lengths and bond polarity

    Intermolecular forces, Hydrogen Bonding

    Metallic bonding

    4. States of matter

    Gaseous stateIdeal gas behaviorPV=Nrt

    Liquid state,

    Solid state, lattice structure

    5. Chemical Energetic

    Enthalpy changes

    Hesss Law

    6. Electrochemistry

    Redox processes

    Oxidation states

    Electrolysis (industrial)

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    7. Equilibrium

    Factors affecting

    Equilibrium Constants

    Haber process

    Contact process

    Ionic Equilbria

    Kc Kp

    Bronsted Lowrey theory

    8. Reaction Kinetics

    Rates

    Effects of temp.on rate constants

    Activation Energy

    Catalysts

    9. Periodicity

    Atomic radius and ionic radius

    Melting Points

    Electical Conductivity

    Ionistation energy

    - REACTIONS WITH

    OXYGEN WATER AND CHLORINE

    Acid behavior

    GROUP 2 ELEMENTSGROUP 7 ELEMENTS

    NITROGEN AND SULFUR

    - Unreactivity- Ammonia, Ammonium ion, nitiric acid- Environmental impact

    Sulfur- Formation of atmospheric sulfur dioxide- Sulfuric acid

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    10. ORGANIC CHEMISTRY

    Molecular, structural and empirical formulae

    Functional Group

    Organic reactions

    Isomerism

    (i)functional group(ii)homolytic and heterolytic fission(iii)free radical, initiation, propagation, termination(iv)nucleophile, electrophile(v)addition, substitution, elimination, hydrolysis(vi)oxidation and reduction

    11. Hyrdocarbons

    I Alkanes (exemplified byethane)

    (i) Free-radical reactions

    (ii) Crude oil and cracking

    II Alkenes (exemplified byethene)

    (i) Addition and oxidationreactions

    (ii) Industrial importance

    III Arenes (exemplifiedby benzene andmethylbenzene)

    (i) Influence of delocalised

    electrons on structure

    and properties

    (ii) Substitution reactionswith electrophiles

    (iii) Oxidation of side-chainIV Hydrocarbons as fuels

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    12. HALOGENS

    I Halogenoalkanes and halogenoarenes

    (i) Nucleophilic substitution

    (ii) Hydrolysis

    (iii) Formation of nitriles, primary amines

    (iv) Elimination

    13. Carbonyl Compounds

    I Aldehydes (exemplified byethanal)

    (i) Oxidation to carboxylic acid

    (ii) Reaction with hydrogencyanide

    (iii) Characteristic tests foraldehydes

    II Ketones (exemplified by propanone andphenylethanone)

    (i) Reaction with hydrogencyanide

    (ii) Characteristic tests forketones

    Alcohols, Alkenes, Salts, Esters