Unit Plan
Chem Tutor

Chem Tutor: Chemistry: Lewis Structures of the Elements

For Students 9th - 10th
This colorful page goes over the proper techniques for writing Lewis structures for elements. This is a great place to begin learning how to write Lewis structures. When you are ready for a more advanced lesson, follow the link to learn...
Handout
Towson University

Towson University: Drawing Lewis Structures

For Students 9th - 10th
Brief rules for writing Lewis structures for simple compounds. Some examples are included.
Unknown Type
Other

University of Wisconsin Oshkosh: Lewis Structures Tutorial

For Students 9th - 10th
This site lists easy-to-follow steps for drawing Lewis Structures. Examples are given.
Activity
Chem Tutor

Chem tutor.com: Atomic Structure

For Students 9th - 10th
This page provides a thorough and comprehensible discussion of the structure of the atom. Includes helpful diagrams and instructions for filling electron shells, reading the Periodic Table, and drawing Lewis Structures.
Unit Plan
Other

E Teaching Assistance Program: Lewis Dot Structure and Molecular Shape

For Students 9th - 10th
Tutorial outline weaves together resource links which instruct the learner in drawing Lewis dot structures. A pre- and post-quiz are provided, as well as visuals, questions with immediate feedback, and a reading list to help students...
Unit Plan
CK-12 Foundation

Ck 12: Lewis Electron Dot Structures

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Students will use their knowledge of covalent bonds, and apply that to drawing Lewis dot structures to represent compounds.
Lesson Plan
American Chemical Society

Middle School Chemistry: Represent Bonding With Lewis Dot Diagrams

For Teachers 9th - 10th
Learners draw and interpret Lewis dot diagrams for individual atoms and both covalent and ionic compounds.
Lesson Plan
Stanford University

Sheg: Document Based History: Reading Like a Historian: Lewis and Clark

For Teachers 9th - 10th
[Free Registration/Login Required] In this Structured Academic Controversy (SAC), students read four documents that give different accounts of how Lewis and Clark treated the Native Americans they met on their expedition. Students are...
Graphic
American Chemical Society

Middle School Chemistry: Represent Bonding With Lewis Dot Diagrams

For Students 9th - 10th
Find out how molecular bonding is represented by Lewis dot diagrams.
Interactive
Chiral Publishing

Chiral Publishing: An Introduction to Chemistry: Resonance

For Students 9th - 10th
This section from "An Introduction to Chemistry" describes how to draw resonance structures. A few examples are given. Also find links to 3-D molecular models of the examples.
Lesson Plan
Chem Tutor

Chem Tutor: Chemistry: Compounds

For Students 9th - 10th
This lesson focuses on chemical compounds including Ionic and Covalent Bonds, Valences, Lewis Structures, Binary Covalent Compounds, Radicals or Polyatomic Ions, and much more. It also includes a compound worksheet in which the young...
Interactive
PBS

Pbs Learning Media: Molecular Shapes

For Students 9th - 10th
In this interactive activity from ChemThink, students will learn about covalent molecules and how the VSEPR theory predicts the shapes of covalently-bonded molecules.
Handout
Chem Tutor

Chem Tutor: Bonds in General

For Students 9th - 10th
A summary of bonding terms and the importance of electrons in bonding.
Handout
Clackamas Community College

Clackamas Community College: Octete Rule

For Students 9th - 10th
This resource offers a brief description of the Octet rule, along with a quick practice, and answers to the exercise.

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