Shapes Of Covalently Bonded Lesson Plan Template

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Lesson Plan: Shapes of
Covalently Bonded
Lesson Title: Shapes of Covalently Bonded Molecules
Grade/Age Level:
15 – 18 yr olds, 10
– 12
grade
th
th
Subject Area:
high school chemistry
Time allotted for the lesson:
several class meetings
Day 1:
Introduce the covalent molecules
Review ionic vs covalent molecules
Day 2:
Identify number of valence electrons on C, O, N, H, and halogens
Review what makes an atom stable (8 valence electrons)
Discuss how an atom can have 8 valence electrons if it does not already come
with eight.
Point out the gaps that are available to allow for bonding.
Day 3:
Teach how to draw Lewis Dot Diagrams/ Lewis Dot Structures
Day 4:
Practice drawing more dot diagrams
Redraw the molecules they originally made with marshmallows and toothpicks
Day 5:
Build molecules using a molecular modeling kit
Draw these images on the paper
Day 6:
Bring up the concept of 3 dimensional shapes and having names for the shapes

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