Atomic Orbitals

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  • Atomic Orbitals
    • Energy Levels
      • electrons
        • 2n squared
          • n = energy level
      • Nucleus
        • Further - higher energies
        • Closer - lowest energies
      • evident due to large increase in ionisation enthalpies
    • Sub-shell
      • s, p, d and f
        • 1st shell - s
        • 2nd shell - s and p
        • 3rd shell - s, p and d
        • 4th shell - s, p, d and f
        • s - 2, electrons
          • 1 orbital
        • p - 6 electrons
          • 3 orbitals
        • f - 14 electrons
        • d - 10 electrons
          • 5 orbitals
    • Orbitals
      • can contain 2 electrons
      • same orbital - opposite directions
    • Electronic configuration
      • arrangement of electrons within an atom
      • Lowest energy filled first
      • If there is more than one orbital - electrons fill out separately

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