Through an online slideshow format, learn about the chemistry behind Period 3 on the Periodic Table of Elements. The last slide has questions for students.

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Discover uranium, element number 92, the so-called "bogeyman of the periodic table." [6:03]

An interactive Periodic Table of the Elements that displays specific properties of each element

Provides information on the development of the periodic table under the following sections: In the Beginning, Law of Triads, First Attempts At Designing a Periodic Table, Law of Octaves, Who Is the Father of the Periodic Table?,...

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Element number 118 still has the temporary name ununoctium and it is the final element on the current periodic table. [2:50]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Hafnium, with the symbol Hf, is element number 72. [0:49]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about arsenic- element number 33 and is famous for the toxicity of its compounds. [2:28]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about iodine, the pretty purple element, which is part of one of the professor's favorite chemical equations.

The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about tin, a metal used to coat the cans that hold our food, and to make the blades of swords!

Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site focuses specifically on the Periodic Table of Elements with information on the table's organization methods along with...

This is a teacher's companion guide with lesson plans for the periodic table. It includes learning objectives, lecture notes, links to related sites, answers to frequently asked questions, and a glossary of related terms.

Explore the periodic table like never before! This downloadable program module for students comes absolutely complete with teacher modules, student assessments, PowerPoints, Excel spreadsheets, historical text readings and more. Students...

[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.

Provides an explanation of the periodic table of elements and how to read it.

A short summary of some basic information on gold and how it is used.

Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the limits associated with classical physics. Topics covered include light and heat with additional information...

[Free Registration/Login may be required to access all resource tools.] Students investigate specific properties that can be predicted by an element's position on the periodic table. Additionally, they will look at the formation of ions,...

Information about the element, Thorium, atomic number 90. Covers physical properties, atomic properties, how abundant it is on the Earth, where it is found, and details about health-related regulations. Discusses thorium's potential use...

Information about the element, Plutonium, atomic number 94. Covers physical properties, atomic properties, how abundant it is on the Earth, and details about health-related regulations. Discusses reactor- and weapons-grade plutonium, and...

This resource provides information on the periodic table constructed by Dmitri Mendeleev.

Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the properties of the atoms individually in relation to the main group elements of the Periodic Table.

A very good summary of the key data and chemical and physical properties of chromium.

Good site for basic data and uses of arsenic with an especially thorough summary of environmentally relevant information.

This site provides a fact sheet with information on the basic data and properties of Fermium. It also includes some of its uses.