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. Protactinium is element number 91 on the periodic table. [7:06]

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. In this one, the professor explains why erbium is perhaps the most important element for websites like YouTube. [5:35]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about tellurium, an element used more often in laser optics than any other in the chemical industry.

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about calcium. Professor Poliakoff thinks calcium is a very British element. [8:56]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about radium, a famous element. [2:22]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Dubnium seems to be an element no-one knows much about. [0:45]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Element 116 has been given the name livermorium. [6:31]

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. Because of its radioactivity and short half-life, astatine is an element few chemists come into contact with. [0:34]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This video is on silver, a famous metal used since ancient times to make currency and jewelry. [9:23]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about polonium. [2:02]

Discusses the history and organization of the periodic table, where the metalloids fit in, and their properties. Includes color-coded periodic table of elements.

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...

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.

Information about the radioactive element, Uranium, atomic number 92. Describes its history, physical and atomic properties, how abundant it is on the Earth, and permissible exposure limits. Also discusses sources, uses, isotopes,...

By clicking on individuals elements, users can explore a broad range of information about the element, their reactions, their properties, their structures, and their histories.

This online resource is for information on the 16th element of the Periodic Table--Sulfur--can be found here. The site lists scientific information such as atomic weight, atomic number, melting/boiling point, and more. There is also a...

A description of the arrangement of elements on The Periodic Table based on electron configuration.

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