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Lewis Structures

Lewis Structures. Lewis Structures. When atoms form compounds valence electrons are the ones that are involved Valence electrons are the electrons found in the outermost orbit Lewis structures show atoms depicting their valence elecetrons only– much easier. Rules.

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Lewis Structures

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  1. Lewis Structures

  2. Lewis Structures • When atoms form compounds valence electrons are the ones that are involved • Valence electrons are the electrons found in the outermost orbit • Lewis structures show atoms depicting their valence elecetrons only– much easier.

  3. Rules • Symbol of the element is in the center (represents protons, neutrons, and inner electrons– electrons not in outer orbit) • The symbol is assumed to have 4 sides, and the electrons in the outermost energy level are placed as dots on the four sides. • Dots are placed singly, and are then paired up (N S E W).

  4. Valence electrons are the electrons in the outer orbit surrounding an atom in a Bohr-Rutherford Diagram What is the shortcut to finding the number of valence electrons?

  5. How to Remember?? • Find the group number the element is in while skipping the transition metals.

  6. Samples Sodium Fluorine Calcium Na F Ca

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