Patterns of the Periodic Table: Finding Shells and Valence Electrons

Materials:

  • Google Slides – students will learn how to find the number of energy levels (shells) for elements in periods 1 – 8 and the number of valence electrons in their outer shells using the periodic table. Updated (Public link)
  • Handout – updated Shells & Valence Electrons
    • Older version: How to determine the number of valence electrons and shells using the element’s group number and period – Notes (pdf) and Slides (ppt)
  • Find that Element!” Worksheet (pdf)- Practice finding the period & group for each element

 

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