Concord Consortium
Concord Consortium: Molecular Workbench Showcase: Chemistry, Chemical Bonds
Simulations to show students the nature of chemical bonds. Simulations include an explanation of stereochemistry, atomic orbitals, chemical polarity, formation of an atom, and a summary quiz.
BBC
Bbc: Gcse Bitesize Science: Atomic Structure and Bonding Test
A ten-question quiz on the structure of an atom and on atomic bonds.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Atomic Interactions
Explore the interactions between various combinations of two atoms. Turn on the force arrows to see either the total force acting on the atoms or the individual attractive and repulsive forces. Try the "Adjustable Attraction" atom to see...
American Chemical Society
Middle School Chemistry: Represent Bonding With Lewis Dot Diagrams
Students draw and interpret Lewis dot diagrams for individual atoms and both covalent and ionic compounds.
Sophia Learning
Sophia: Atomic Radius: Lesson 3
This lesson will define atomic radius. It is 3 of 3 in the series titled "Atomic Radius."
Sophia Learning
Sophia: Atomic Radius: Lesson 2
This lesson will define atomic radius. It is 2 of 3 in the series titled "Atomic Radius."
Other
Web Chem: Bonding: Valence and Core Electrons
This site from WebChem contains information on the subject of bonding with an emphasis on valence and core electrons.
Famous Scientists
Famous Scientists: J. Robert Oppenheimer
Learn about the "father of the atomic bomb", J. Robert Oppenheimer in this article that discusses his life and scientific accomplishments.
Estrella Mountain Community College
Online Biology Book: Chemistry I: Atoms and Molecules
In this online biology textbook, learn about atoms and molecules as they relate to life. Find out about topics such as electrons and energy, chemical bonding, and chemical reactions.
Towson University
Towson University: Shapes of Molecules
This chemistry class printout details the main points of molecular geometry and explains bond hybridization and bond angles.
University of Waterloo (Canada)
University of Waterloo: Valence Bond Theory and Hybrid Atomic Orbitals
Provides good objectives to go along with a text discussion of hybridization. Complete with illustrations, charts, and graphics.
State University of New York
State University of New York: Atomic Electron Configuration
This simulation displays the electron configurations of for the elements in relation to the element's position on the periodic table.
Wisc-Online
Wisc Online: Lewis Dot Structures of Covalent Compounds
Short slide show provides basic information about drawing Lewis dot structures for covalent compounds. Starts with anatomy of the atom, and then shows the relationship between atomic particles and the Periodic Table of Elements. Offers...
BBC
Bbc: Gcse Bitesize Science: Different Substances
A short quiz over the general topics of atomic structure of different substances and bonding properties. The quiz gives immediate feedback over with explanation for the correct answer choice.
Curated OER
Simon Fraser University: Molecules and the Properties of Bonded Atoms
Atomic Force Microscopy (AFM) method used to get an image of the first molecule -- a pentacene structure -- in Switzerland, 2009.
Royal Society of Chemistry
Royal Society of Chemistry: Gridlocks: Level 2
A collection of grid puzzles that cover a wide variety of topics in intermediate high school chemistry. These are excellent for topic review and reinforcement. The puzzles can be played online and also downloaded as worksheets. Answers...
Science Education Resource Center at Carleton College
Serc: Valence Electrons and Trends in the Periodic Table
This instructor led activity will produce a partially filled periodic table that contains electron-dot models for the first twenty elements in the appropriate boxes. It will be used as a visual tool for students to connect concepts such...
Chem4kids
Chem4 Kids: Lithium
Here at Chem4Kids you can find some great information about the third element in the periodic table, lithium. Content focuses on lithium's electrons, where you can find lithium in nature, and how it bonds with other elements (or with...
PBS
Pbs: Scientific American Frontiers: Teaching Guide: Tasty Models (9 12)
In this hands-on lesson, young scholars use candy to construct models of nutrients (carbohydrates, proteins, and fats). Create visualizations that will aid in learning about dehydration synthesis and bond saturation in fat molecules....
Concord Consortium
Concord Consortium: How Can a Small Spark Start a Huge Explosion?
In this module Activity 4 investigates How are bonds formed and broken? This activity explores the relationship between energy and the formation and breaking bonds, using the ideas of energy transfer and conversion.
CPALMS
Florida State University Cpalms: Florida Students: Physical and Chemical Changes
Explore the differences between chemical and physical changes, including some examples at the atomic level.
Concord Consortium
Concord Consortium: How Can a Small Spark Start a Huge Explosion?
In this module Activity 3 investigates When atoms get close to each other, what happens to their potential energy? This activity applies energy concepts to compare the potential energy of atoms that are bonded as molecules with the...
CK-12 Foundation
Ck 12: Chemistry for High School
This digital textbook covers core chemistry concepts and includes interactive features, real-world examples, and videos.
Cosmo Learning
Cosmo Learning: Chemistry 1 A: General Chemistry
A collection of video lectures from a general chemistry course taught at the University of California, Berkeley. The course covers topics like stoichiometry, acid-base and solubility equilibrium, oxidation-reduction reactions, chemical...