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Chemistry 11 · Grade 11 · Unit 7 of 11 · Gatekeeper unit

7Atomic Structure and Chemical Bonding

Work through these 7 topics in order. Clear the gatekeeper and the rest of the course opens up.

Contents

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  1. 7.1
    The structure of the atom

    Early models through the Rutherford-Bohr nuclear atom.

    Published

    Start here
  2. 7.2
    Atomic number, mass and isotopes

    Protons, neutrons, electrons, isotopes and average atomic mass.

    Published

  3. 7.3
    Quantum model and electron configuration

    Energy levels, orbitals and writing electron configurations.

    Published

  4. 7.4
    Periodic trends and electronegativity

    Organizing the elements; trends in size, ionization energy and electronegativity.

    Published

  5. 7.5
    Valence electrons, Lewis structures and chemical bonding

    Ionic, covalent and metallic bonding; drawing Lewis structures.

    Published

  6. 7.6
    Chemical families

    Properties of the noble gases, alkali metals, alkaline earth metals and halogens.

    Published

  7. 7.7
    Molecular geometry and VSEPR theory

    Predicting the shape of a molecule from its electron domains using VSEPR (valence shell electron pair repulsion) theory.

    In review