The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about bromine. It's one of the few elements that is liquid at room temperature and known for its odorous stench. [4:56]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Here are five grams of caesium in water, but did you know caesium is also used to define the length of a second? [7:17]

How well do you know your elements? The computer will randomly pick the name of one of the elements. Use the clue to discover which element the computer picked. Be careful! Each incorrect letter you guess causes the atom man to decay.

Fun and interesting information about elements. Learn about the periodic table, how they are distinguished, and the different families of elements.

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