Electronic Structure

Chemistry
1.0x

Electronic Structure

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  1. Electronic Structure

    Slide 1 - Electronic Structure

    • Specification Reference 3.1.1.3
  2. Learning Objectives

    Slide 2 - Learning Objectives

    • Know and be able to write the electron configurations of atoms and ions up to Z=36.
    • Be aware that, for transition metals, the order of filling electrons is different from their order of loss of electrons.
  3. Electron shells

    Slide 3 - Electron shells

  4. Orbitals

    Slide 4 - Orbitals

  5. Maximum number of electrons in each shell:

    Slide 5 - Maximum number of electrons in each shell:

  6. Writing electron configurations

    Slide 6 - Writing electron configurations

    • Sub-shell notation
    • Arrows in boxes
    • Energy level diagrams
  7. Electrons fill up the lowest energy sub-levels first

    Slide 7 - Electrons fill up the lowest energy sub-levels first

    • Energy
  8. Electrons fill orbitals in a sub-shell singularly before they start sharing.

    Slide 8 - Electrons fill orbitals in a sub-shell singularly before they start sharing.

  9. For the configuration of ions from the s and p blocks of the periodic table, add or remove electrons to or from the highest energy, occupied sub-shell.

    Slide 9 - For the configuration of ions from the s and p blocks of the periodic table, add or remove electrons to or from the highest energy, occupied sub-shell.

  10. Shortened electron configurations

    Slide 10 - Shortened electron configurations

  11. Electron configuration of transition metals

    Slide 11 - Electron configuration of transition metals

  12. Learning Objectives

    Slide 12 - Learning Objectives

    • Know and be able to write the electron configurations of atoms and ions up to Z=36.
    • Be aware that, for transition metals, the order of filling electrons is different from their order of loss of electrons.
  13. Self-assess the learning objective

    Slide 13 - Self-assess the learning objective