Chem4kids
Chem4 Kids: Chlorine (Cl)
The 17th element in the periodic table is defined, chlorine. Find out how many electrons chlorine has and where you can find it in nature and in the home.
Chem4kids
Chem4 Kids: Argon (Ar)
Chem4Kids looks at the 18th element in the periodic table, argon. Content focuses on argon's electrons, where you can find argon in nature and in the home, and how argon combines with other elements.
Simon Fraser University
Chem1 Virtual Textbook: Atomic Electron Configurations
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses a series of topics related to electrons including atoms that have only one electron, effects of...
Michael Blaber, PhD
Florida State University: The Bohr Model of the Atom
A well designed clear tutorial explaining the energies involved in the Bohr model of the atom. Illustrations add to the clearly presented equations.
Environmental Chemistry
Environmental chemistry.com: Anatomy of an Atom
Explains the basics of atomic structure, from simple definitions to information about quantum theory. Accurate and helpful basics whether or not you need the more advanced information.
Exploratorium
Exploratorium: Science Snacks: Physics/electricity & Magnetism
Exploratorium Science Snacks are miniature science exhibits and experiments that can be made with common, inexpensive, easily available materials. These electricity snacks represent a set of devices that you can build and experiment with...
Chem4kids
Chem4 Kids: Atoms
This site provides a detailed overview of atoms. Content explores an atom's structure, as well as what ions are, how atoms bond, what compounds are (including how to name compounds), and what isotopes are.
PBS
Nova: Atom Builder
Find out if you know enough about atoms to build them. The goal of the activity is to build an atom of a particular element by dragging the correct numbers of neutrons, protons and electrons into the atom.
OpenStax
Open Stax: Elements and Atoms, the Building Blocks of Matter
This site provides an overview of elements and atoms, the building blocks of matter.
Department of Defense
Do Dea: Chemistry Review
Review atoms with this slideshow. You can choose to listen to the review or read the accompanying text. At the end, play the game to review the basics of atoms that you have just learned about. You may play the game as many times as...
University of St. Andrews (UK)
University of St. Andrews: Wolfgang Pauli
Check out this short look at the life of 1945 Nobel Prize winner, Wolfgang Pauli. Make sure to look at all the links at the bottom of the page too.
American Chemical Society
Middle School Chemistry: Chapter 4: The Periodic Table and Bonding
Six middle school chemistry lessons about the periodic table and bonding complete with handouts and animations.
CK-12 Foundation
Ck 12: Electron Configuration and the Periodic Table
[Free Registration/Login may be required to access all resource tools.] In this learning module, students will explore how the form of the periodic table is related to electron configurations, which in turn influences chemical reactivity.
PBS
Pbs Learning Media: The Atom
In this interactive activity from ChemThink, students will take a closer look at atomic structure, properties, and behaviors. Includes background reading material and discussion questions.
Utah Education Network
Uen: Atom in a Bag
Students will use bags of beads with known quantities of electrons, neutrons and protons to identify the element that they represent.
Discovery Education
Discovery Education: 3 M Young Scientist Lab: Charged Fingers
Do you have the magic touch? Watch as your finger mysteriously moves a pencil without touching it.
PBS
Pbs Learning Media: Atomic Structure
Take a look at the parts of an atom and learn about its properties.
Georgia State University
Georgia State University: Hyper Physics: Hund's Rules
An excellent overview of Hund's Rules. Discusses all three rules thoroughly with provided diagrams.
Concord Consortium
Concord Consortium: Molecular Workbench Showcase:scanning Tunneling Microscopy
A learning module that investigates a powerful tool to observe and manipulate atoms called the scanning tunneling microscope.
Scholastic
Scholastic: Dirtmeister's Science Lab: Hair Raising Science
A great experiment to show students how electrons move by static electricity. This site includes web links, a challenge question, and notes for the teacher.
Wolfram Research
Wolfram Science World: Erwin Schrodinger
ScienceWorld.com offers a brief biography and image of Austrian physicist and inventor of wave mechanics, Erwin Schrodinger.
Texas Instruments
Texas Instruments: Electron Charge Lab
In this activity students experimentally determine the magnitude of the elementary charge on an electron.
Texas Instruments
Texas Instruments: Electron Vocabulary
This StudyCards stack enables students to review the vocabulary used in studying electron behavior.
University of Colorado
University of Colorado: Physics 2000: Energy Levels
This site describes the energy levels of atoms.