Reflection: Modeling Lewis Structures & Ions - Section 4: Explore

 

I have found that for many students it is helpful to model what they should be completing at their tables to ensure that all students are understanding the goal of a specific activity.  For this activity I used magnetic tape to make a set of + and - charges to put on the board so that I could demonstrate exactly what students were doing at their tables.  This video shows how I reviewed Part II of the activity (formation of the Oxygen anion) using the charged papers.

  Modeling: Modeling ion charges
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Lewis Structures & Ions

Unit 2: Unit 2: Matter, Atoms, and the Periodic Table
Lesson 8 of 11

Objective: Students will be able to identify valence electrons, determine ions formed, and explain the relative sizes of ions compared to parent elements through taking notes, performing an activity, and practice.

Big Idea: Atoms will gain or lose electrons to become stable ions.

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