Ionic Bonds Vs Covalent Bonds Lesson Plan Template

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Lesson Plan: Ionic Bonds
vs Covalent Bonds
Lesson Title: Ionic Bonds vs Covalent Bonds
Grade/Age Level:
high school chemistry, ages 15-18
Subject Area:
high school chemistry
Time allotted for the lesson:
2 class meetings
Day 1: What are ions and how they form
Day 2: Introduce periodic table chart of electronegativities and the chart I made to
help students see if two atoms will tend to form ionic or covalent compounds
Short description of lesson:
In this lesson, the learners will be introduced to the idea that the electrons surrounding
the nucleus can either be gained or lost. If the number of electrons stays the same, then
perhaps the atoms are involved in a covalent bond.
To get an idea of whether two atoms will form an ionic or a covalent bond, they can
use a periodic table that lists electronegativity values. Based on the difference in
electronegativity values, the atoms will either swap electrons or share them.
California Curriculum Standards met in this lesson:
Chemical Bonds
Biological, chemical, and physical properties of matter result from the ability of atoms to
form bonds from electrostatic forces between electrons and protons and between
atoms and molecules. As a basis for understanding this concept:
Students know atoms combine to form molecules by sharing electrons to form
covalent or metallic bonds or by exchanging electrons to form ionic bonds.
Students know salt crystals, such as NaCl, are repeating patterns of positive and
negative ions held together by electrostatic attraction.
Instructional Objectives:

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