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...
Science Struck
Science Struck: Periodic Table With Atomic Mass
Explains how Dmitri Mendeleev created the periodic table of elements, how it was organized, the changes made by Henry Moseley in 1931, some characteristics of element groups, and what the atomic mass, number, and abbreviation each...
Science Struck
Science Struck: List of Radioactive Elements
Learn about radioactivity, the different types of radioactive decay, isotopes, and half-life of a radioactive element. Includes a long chart listing radioactive elements, atomic number and mass number, decay type, and length of half-life.
Dartmouth College
Dartmouth College: Chem Lab: Electrons in a Box
This site has an interactive component that allows you to change the mass, number of electrons and the length of the box and see how it affects the energy levels. Requires Java.
CK-12 Foundation
Ck 12: The Ideal Gas Law
[Free Registration/Login may be required to access all resource tools.] Students read about and explore video clips, diagrams, and example problems using the Ideal Gas Law.
California State University
California State University: Proton, Electron, Neutron
An interesting and useful tool to practice recognition/calculation of atomic number, mass, and number of neutrons, electrons, etc. Can be used with all elements.
Mocomi & Anibrain Digital Technologies
Mocomi: Structure of an Atom
An atom is made of three parts - protons, neutrons, and electrons. Here you can explore these different parts.
CK-12 Foundation
Ck 12: Chemistry Simulation: Atom Builder Challenge
[Free Registration/Login Required] Learn what makes each element unique by building the mystery atoms in the periodic table.
Simon Fraser University
Chem1 Virtual Textbook: Moles and Their Uses
As part of the "Basic Atomics" section of the Virtual Textbook, this site examines moles. The information presented defines moles in relation to Avogadro's number and then goes on to describe molar mass and molar volume.
Annenberg Foundation
Annenberg Learner: Isotopes, a Weighty Matter: Isotope Quiz
You will be presented with three different isotopes of the same element. See if you can calculate the atom's average relative mass.
Science Struck
Science Struck: How to Find Protons, Neutrons and Electrons
Brief explanations of how to determine how many protons, neutrons, and electrons are in an element.
Other
Characteristics of Energy and Matter
A lengthy page from the Fundamentals of Physical Geography site. Energy is distinguished from matter, and the different forms of energy are identified and discussed. Four types of heat transfer (convection, advection, conduction,...
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