Lewis Structures
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Objective
I can draw Lewis structures for small molecular compounds.
Part 1 of 4
Warm-up video
ketzbook · 7:26
We don't generate video — this one is by ketzbook on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
In Lewis diagrams, dots are used to represent valence electrons.
- 2
In covalent bonding, atoms share valence electrons in order to obtain a full octet or duet.
- 3
When drawing Lewis diagrams, the five steps are: Count valence electrons, determine the central atom, draw single bonds, add remaining valence electrons as lone pairs, and turn lone pairs into double or triple bonds to give every atom an octet or duet.
Part 3 of 4
Practice
11 questions
What is the first step in drawing a Lewis diagram for a molecule?
Draw the Lewis diagram for carbon dioxide (CO₂).
Part 4 of 4
Exit ticket
Quick comprehension check
“Draw the Lewis structure for carbon dioxide (CO₂). Show all steps, including counting valence electrons, determining the central atom, and forming double bonds as needed.”
Sample answer included in the free materials
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Teacher Guide
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