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Chemistry LibreTexts

3.2: Periodic Patterns

  • Page ID
    210690
  • Unit Objectives

    • Derive the predicted ground-state electron configurations of atoms
    • Identify and explain exceptions to predicted electron configurations for atoms and ions
    • Relate electron configurations to element classifications in the periodic table
    • Describe and explain the observed trends in atomic size of the elements
    • Describe and explain the observed trends in ionization energy of the elements
    • Describe and explain the observed trends in electron affinity and metallic character of the elements
    • To recognize the inverse relationship of ionization energies and electron affinities