Actinium is element number 89, and first of the actinide series. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

Aluminium is element 13 on the periodic table. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

Americium is element number 95. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

Antimony is element number 51 and its chemical symbol is Sb. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

Argon, an inert noble gas, is element number 18. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

Arsenic is element number 33. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

Because of its radioactivity and short half life, Astatine is an element few chemists come into contact with. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

Barium meals (barium sulfate, not toxic barium) are among the topics in our updated video about the element Barium. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

No prizes for guessing what Berkelium is named after. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

We've added some new footage to our video about beryllium, filmed at the MAX-lab synchrotron in Sweden. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

A new Bismuth video, including a better sample of Bimuth crystal and some information about its radioactivity. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

A new video about Bohrium, including footage from our trip to Darmstadt where the element was created and named. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

Boron can be used to produce green flames. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

Bromine if one of the few elements which is liquid at room temperature and it's known for its "stench". This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

Cadmium is element number 48. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

Here it is - five grams of caesium in water... But did you know caesium (aka cesium) is also used to define the length of a second? This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

Here's an update of our video about the element Calcium. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

Californium is element number 98. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

We take a look at Carbon - one of the most important elements for our lives on Earth. We look at various forms of elemental carbon, from diamonds to exotic graphene and buckyballs. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.

The sparks will fly as The Professor discusses element number 58. This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.