American Chemical Society
Middle School Chemistry: Finding Volume: Water Displacement Method
Students use the water-displacement method to find the volume of different rods that all have the same mass.
Environmental Chemistry
Periodic Table of Elements: Gallium
A very detailed look at the element Gallium, a member of the Boron Group.
Environmental Chemistry
Periodic Table of Elements: Indium
A very detailed look at the element Indium, a member of the Boron Group.
Environmental Chemistry
Periodic Table of Elements: Thallium
A very detailed look at the element Thallium, a member of the Boron Group.
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.
Crescent Public Schools
The Internet Science Room: Formula Mass Calculations
This chemistry tutorial helps students understand that formula mass is the total of all the atomic masses of a chemical formula.
State University of New York
State University of New York: Binding Energy
This simulation allows students to understand relative binding energy.
Other
Chemistry Resources: The Elements: Alkali Metals
This subtable lists and describes the six alkali metals of the periodic table of Elements. Related links are provided.
Sophia Learning
Sophia: Modern Periodic Law: Lesson 2
This lesson will define the Modern Period Law. It is 2 of 3 in the series titled "Modern Periodic Law."
Sophia Learning
Sophia: Characteristics of Elements
A podcast [0:39] describing the main characteristics of chemical elements, including the importance of a chemical symbol, atomic number, and atomic mass.
Sophia Learning
Sophia: Molar Mass of an Element
Through this short tutorial, learn how to use the periodic table of elements to determine the molar mass of elements.
CK-12 Foundation
Ck 12: Atoms to Molecules
[Free Registration/Login may be required to access all resource tools.] Examine the composition of matter.
Lawrence Berkeley National Laboratory
Berkeley Lab: Basic Nuclear Science Information
Site provides the ABC's of nuclear science including radioactivity and gamma decay to fission and comic rays.
Wikimedia
Wikipedia: Atomic Number
Wikipedia provides the definition of the term, "Atomic number," a term used in chemistry and physics to represent the number of protons in the nucleus of an atom.
Sophia Learning
Sophia: Modern Periodic Law: Lesson 3
This lesson will define the Modern Period Law. It is 3 of 3 in the series titled "Modern Periodic Law."
Sophia Learning
Sophia: Atomic Mass: Lesson 3
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. It is 3 of 4 in the series titled "Atomic Mass."
Sophia Learning
Sophia: Atomic Mass: Lesson 4
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. Module includes a slideshow and a quiz.
Sophia Learning
Sophia: Atomic Mass: Lesson 1
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. It is 1 of 4 in the series titled "Atomic Mass."
Sophia Learning
Sophia: Modern Periodic Law: Lesson 1
This lesson will define the Modern Period Law. It is 1 of 3 in the series titled "Modern Periodic Law."
Sophia Learning
Sophia: Atomic Mass: Lesson 2
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. It is 2 of 4 in the series titled "Atomic Mass."
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.