This site provides a set of data tables summarizing the physical and chemical properties and data on radon.

A few well done paragraphs on chlorine, with descriptions of the element and its properties. One nice feature is that any technical term has a link to help you better understand it.

WebElements offers a very helpful assemblage of information on the basic chemical and physical properties of indium.

WebElements offers a nice set of basic data and information on the physical and chemical properties of actinium.

Excellent source of information on selenium, its properties, isolation and electron configuration. The site includes pictures of selenium.

Resource with a good assortment of information about the element, fluorine.

EnvironmentalChemistry.com offers an extensive site on the element, Einsteinium, of the Periodic Table of Elements.

Short slide show provides basic information about drawing Lewis dot structures for covalent compounds. Starts with anatomy of the atom, and then shows the relationship between atomic particles and the Periodic Table of Elements. Offers...

Test your knowledge of the elements' symbols with this quiz.

A history and description of the modern periodic table, including its early origins, many contributors and later additions.

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about yttrium. It is found in moon rocks and bullet-proof glass. Come with us to Sweden to discover it.

A slideshow looking at the contributions of scientists over time to our understanding of atomic theory. Looks at models of the atom developed by Democritus, John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, and James Chadwick, as...

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

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.

Analyze the electron configuration of the of the first twelve elements on the Periodic Table.

WebElements offers a very nice summary of basic data on fermium, including properties and electron arrangement.

[Free Registration/Login Required] This flipchart helps students learn about the periodic trend of Atomic Radius of Elements across a Period and down a Group.

[Free Registration/Login Required] This flipchart examines the periodic table and guides students through the process of identifying the characteristics of metals.

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."

Learn about the different groups of elements that make up the periodic table and some interesting facts about it.

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."

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."

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."

This site may focus on fun, rather than facts, but it will become a favorite of any Chemistry student. Here you will find scanned images of panels and/or pages of comic books, with references to the element you seek.