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.
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.
Handout
Chem Tutor

Chem Tutor: Bonds in General

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