Simon Fraser University
Chem1 Virtual Textbook: Periodic Trends in Ion Formation
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses electron affinity and ionization energy in relation to ion formation. Charts and graphs are included as well.
CK-12 Foundation
Ck 12: Plix: Mass Number: Writing the Periodic Table
[Free Registration/Login Required] Put the elements in the correct order on the table by using the information given in each of the element squares.
Royal Society of Chemistry
Royal Society of Chemistry: Periodic Table/helium
A great source of information on helium. Exceptionally thorough and well written.
Science Education Resource Center at Carleton College
Serc: Investigating Patterns: An Introduction to Mendeleev
In this activity, students investigate a puzzle. They are given a set of cards with various properties. Each card has anywhere from 2 to 6 different properties depending on the level of the students and each set of cards has one or two...
Environmental Chemistry
Environmental chemistry.com: Periodic Table Actinium
A great site for just about anything you could ever need or want to know about actinium.
Other
University of Texas: Tabled Discussion
At this University of Texas site, atomic orbital occupancy, quantum numbers, the Aufbau Principle, and periodic trends are described in detail.
Science Struck
Science Struck: 26 Funny Periodic Table Puns
A humorous collection of periodic table puns.
Science Struck
Science Struck: Labeled Periodic Table of Elements With Names
Describes the organization of the periodic table of elements and the different groups in it.
Science Struck
Science Struck: Periodic Table Facts
Learn about the different groups of elements that make up the periodic table and some interesting facts about it.
Science Struck
Science Struck: Printable Periodic Table of Elements With Names
Provides two printable periodic tables, color-coded to show the element groups. One table gives masses, the other gives charges.
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...
Sophia Learning
Sophia: Periodic Table: Lesson 2
Explain how elements on the periodic table are arranged, and explain the relationships within each row and column. This lesson is 2 of 4 in the series titled "Periodic Table."
Sophia Learning
Sophia: Periodic Table Organization: Lesson 2
This lesson will explore the layout of the periodic table by defining different groups and categories of elements. It is 2 of 3 in the series titled "Periodic Table Organization."
Sophia Learning
Sophia: Periodic Table Organization: Lesson 3
This lesson will explore the layout of the periodic table by defining different groups and categories of elements. It is 3 of 3 in the series titled "Periodic Table Organization."
Sophia Learning
Sophia: Periodic Table Organization: Lesson 1
This lesson will explore the layout of the periodic table by defining different groups and categories of elements. It is 1 of 3 in the series titled "Periodic Table Organization."
Science Struck
Science Struck: History of the Periodic Table
The modern periodic table has evolved over a long period of time as new discoveries have been made. Learn about the contributions made by different scientists to its development.
Science Struck
Science Struck: The Complete Periodic Table With Charges
Provides an explanation of the periodic table of elements and how to read it.
Science4Fun
Science4 Fun: Periodic Table
What is the periodic table? Learn how the elements are classified according to their properties and are organized into groups and periods.
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: 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."
University of Kentucky
Periodic Table of Comics: Hydrogen
Comics featuring hydrogen. Good graphics for a presentation.
Web Elements
Web Elements Periodic Table: Caesium
A very helpful site with a great deal of information on caesium and its properties. Very helpful. Includes an audio track of a description of this element, as well as illustrative pictures.
Web Elements
Web Elements Periodic Table: Aluminum (Al)
A great WebElements site for all sorts of information on aluminum. Content includes a break-down of the essentials, a nice description of the element (complete with an audio version), and an overview of the isolation aluminum. aluminium....
Web Elements
Web Elements Periodic Table: Helium
A very nice site with all sorts of information on helium, including good summaries on isolation and uses of helium.