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Understanding Valence Electrons and Lewis Dot Structures in Chemistry

Learn about valence electrons, their importance, and how to determine the Lewis dot structures of Lithium, Silicon, and Bromine. Discover the concept of Lewis dot structures and practice drawing examples like lithium bromide and methane.

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Understanding Valence Electrons and Lewis Dot Structures in Chemistry

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  1. Lewis Dot Structures

  2. Review? • What is a valence electron? • What is the lewis dot structure of: • Lithium • Silicon • Bromine Do your best to answer on your own.

  3. Valence Electrons The valence electrons are the electrons in the last shell or energy level of an atom. http://dl.clackamas.cc.or.us/ch104-06/valence_electrons.htm Why are they important?

  4. Valence Electrons How many for each element? www.chemprofessor.com/ptable5.gif

  5. Lewis Dot Structures What is the lewis dot structure of: • Lithium • Silicon • Bromine

  6. Lewis Dot Structures What is a lewis dot structure?

  7. Lewis Dot Structures Draw the lewis dot structure for lithium bromide:

  8. Lewis Dot Structures Draw the lewis dot structure for methane (CH4):

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