CK-12 Foundation
Ck 12: Electron Arrangement in Atoms
[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will learn how to express the arrangement of electrons in atoms through electron configurations and Lewis valence electron...
Other
Le Moyne College:elements & Atoms, Indivisible No Longer
Click to read different historical documents in chemistry related to the history of the study and discovery of radioactivity.
University of Colorado
University of Colorado: Physics 2000: Elements as Atoms: Quantum Numbers
Each electron has a set of quantum numbers that specify it's location, orbital, and energy in a unique manner.
University of Colorado
University of Colorado: Physics 2000: Elements as Atoms: Electron Clouds and Energy Levels
An explanation of the different types of atomic orbitals, how they are filled according to the Pauli Exclusion Principle, and how many electrons can fit in each electron shell.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Neon Lights and Other Discharge Lamps
Produce light by bombarding atoms with electrons. See how the characteristic spectra of different elements are produced, and configure your own element's energy states to produce light of different colors.
University of Alberta
The University of Alberta: Nmr Spectroscopy
1HNMR theory begins in the nucleus of hydrogen. Complete this tutorial on the 1HNMR spectrum graph to learn about the number of equivalent hydrogens, b) the chemical environment of each hydrogen type and c) the number of neighbouring...
Thomas Jefferson National Accelerator Facility
Jefferson Lab: Element Hangman
How well do you know your elements? The computer will randomly pick the name of one of the elements. Use the clue to discover which element the computer picked. Be careful! Each incorrect letter you guess causes the atom man to decay.
Soft Schools
Soft Schools: Atomic Structure Quiz
Take an interactive quiz over the atomic structure and number of elements. After completing the quiz, check your score, and then revisit any incorrect question for further review
TED Talks
Ted: Ted Ed: What Is the Universe Made Of?
The atoms around you have existed for billions of years- and most originated in the flaming, gaseous core of a star. Dennis Wildfogel tells the captivating tale of these atoms' long journeys from the Big Bang to the molecules they form...
Sophia Learning
Sophia: Characteristics of Matter
A podcast tutorial describing the main characteristics of matter. [1:02]
TeachEngineering
Teach Engineering: Mixtures and Solutions
This unit covers introductory concepts of mixtures and solutions. Students think about how mixtures and solutions, and atoms and molecules can influence new technologies developed by engineers. The first lesson explores the fundamentals...
Tom Richey
Slide Share: Atomic Structure
Slideshow looking at the history of models of the atom, including those proposed by John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, and James Chadwick. Discusses subatomic particles, including the numbers of protons, neutrons,...
Science Struck
Science Struck: Explanation of John Dalton's Atomic Theory
Explains the basic tenets of Dalton's atomic theory.
McGraw Hill
Glencoe Biology: Atoms, Elements, and Compounds: Self Check Quiz
Try these five multiple-choice questions that help students review atoms, elements, and compounds. Each question has a hint and a self-checking feature.
Simon Fraser University
Chem1 Virtual Textbook: Chemical Composition
Chemical composition is a section of a larger overview on Chemistry, covering a variety of aspects. This section focuses on elements, atoms, compounds, and structure. Examples, formulas, and pictures are provided.
Chem4kids
Chem4 Kids: Atoms: Neutrons
Students will find an explanation of the neutron particle located inside the atom's nucleus. Website also defines isotopes and the process of radioactive decay.
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.
Science Education Resource Center at Carleton College
Serc: The Mole in Chemistry: Determining the Number of Atoms in Everyday Items
Students explore the concept of the mole as a measure of quantity. They build spreadsheets that allow them to convert between moles, grams, and atomic mass units for given quantities of everyday items, elements, and simple chemical...
Web Elements
Web Elements Periodic Table: Atomic Radius
This Webelements website provides a short but detailed definition of atomic radius. Includes links to other chemistry sites.
TED Talks
Ted: Ted Ed: The Science of Macaroni Salad: What's in a Molecule?
Josh Kurz breaks macaroni salad down to its smallest chemical components. [3:14]
University of Oxford (UK)
University of Oxford: Solid State Chemistry: Doping of Semiconductors
Discover how the doping of semiconductors is achieved by introducing atoms with more or fewer electrons than the parent element.
Simon Fraser University
Chem1 Virtual Textbook: What Is Chemistry All About?
Covering a range of eight topics related to chemistry, this resource provides a wealth of information complete with pictures, charts, graphs, and examples. Includes information on elements, compounds, atoms, molecules, structures,...
Annenberg Foundation
Annenberg Learner: Interactives: The Periodic Table
An interactive website where students learn about the basics of an atom, periodic tables organization, and the structure and properties of matter. Module includes an introduction and five lessons that are followed by a quiz and an...
American Chemical Society
Middle School Chemistry: Periodic Table
Students explore the periodic table and learn the basic information given for elements: the name, symbol, atomic number, and atomic mass for each element.