The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This video is about tantalum, an element not commonly heard of, but is in everyone's cell phone. [0:58]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about oxygen- it's number 8 and is among the most "famous" of the elements.

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 element, ruthenium, has a rather special place in the heart of Professor Martyn Poliakoff. [6:00]

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. In this video, we take a look at cadmium, a highly toxic element used on pots, pipes, and for all kinds of other applications. [1:50]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about element number 57. Lanthanum is the first of the rare earth minerals. [1:50]

The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Actinium is element number 89, and first of the actinide series. [1:44]

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 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. Attempts to create element 120 (unbinilium) raise the issue of the so-called "island of stability." [8:25]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about rutherfordium. [5:17]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This video will be about rhenium, an extremely expensive metal, often used in aircraft engines. [7:37]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. In this video, discover terbium from the Ytterby quarry in Sweden.

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about neon, an inert gas that can be found all over the world. [1:57]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about hydrogen and an exploding balloon. But what creates the fireball? [7:17]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about boron and the green flames it produces. [4:00]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about beryllium. [3:39]

The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about helium, Donald Duck voices, and floating balloons. [4:45]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about gallium. Discover gallium and be amazed as you watch the experiment called "the beating heart." [7:11]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about cobalt. Take this lesson to learn about its role in color televisions. [1:42]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about scandium. [7:40]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about germanium. Discover this shiny metal named after Germany. [1:45]

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about rhodium, an incredibly rare metal in nature. [4:59]