RNZ: Elemental

28 EpisodesProduced by RNZ

A journey through the periodic table of elements with chemistry professor Allan Blackman, from AUT, and Alison Ballance

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Fluorine - the non-stick element

May 19th, 2019

10:34

Fluorine is a highly toxic green gas that is the main ingredient in non-stick teflon coatings. In ep 27 of Elemental, Prof Allan Blackman from AUT, says that fluorine has very different properties from fluoride.

Europium - putting the security in the Euro

May 16th, 2019

6:05

Europium is named after Europe and is responsible for a forgery-busting aspect of the Euro banknote, reports Prof Allan Blackman in ep 26 of Elemental.

Erbium - through rose-tinted glasses

May 12th, 2019

8:08

Erbium is named after a chemically famous Swedish village, and adds a rose-tinted glow to the periodic table, in ep 25 of Elemental with Allan Blackman from AUT.

Dysprosium - hard to get

May 9th, 2019

8:22

Dysprosium earned its name by being very hard to separate from other elements and has become very important in electric car motors. Join Allan Blackman from AUT in ep 24 of Elemental.

Curium & meitnerium - in honour of two pioneering women

May 7th, 2019

15:46

There are only two chemical elements on the periodic table named after women: curium, in honour of Marie & Pierre Curie, & meitnerium after Lise Meitner. Allan Blackman from AUT introduces the women and their …

Copper - essential, in moderation

May 5th, 2019

12:09

Copper is a soft metal that is an essential element for enzymes and life, gives octopuses their blue blood and was often used to make coins. Allan Blackman from AUT has the lowdown on copper in ep 22 of Elemental.

Cobalt - goblin of the periodic table

May 2nd, 2019

9:30

Famous as the colour of blue glass and important in red blood cells, cobalt can form a permanent magnet and is vital for livestock. Allan Blackman …

Chromium - colourful and shiny

April 28th, 2019

8:11

Chromium is a transition metal that gives colour to precious jewels, the shine to your car fender and your kitchen bench, but can also be a killer. …

Chlorine - good for health, bad for health

April 25th, 2019

12:07

Chlorine is the culprit in the 'case of the exploding trousers'. It is also well-known as a disinfectant and chloride ions are essential for life, …

Cerium - combustible and confusing

April 21st, 2019

10:25

Cerium is the most abundant rare-earth elelment and pops up in self-cleaning ovens, cigarette lighter flints and spectacle glass. Find out more with Allan Blackman from AUT in ep 18 of Elemental.

Carbon - life & times of the 'king of elements'

April 18th, 2019

11:45

Carbon underpins life as we know it, fuels our world and gets its own branch of chemistry, according to AUT professor Allan Blackman, in ep 17 of Elemental.

Calcium - strength and beauty

April 14th, 2019

9:55

Calcium creates objects that are strong and beautiful, from caves, to teeth and bones, and coral reefs. Find out more in ep 16 of Elemental, with …

Caesium - the time-keeper

April 11th, 2019

11:22

A second, the basic unit of time, is defined by caesium, which is also useful for dating things. Find out more about caesium's role as a timekeeper, …

Cadmium - colour and quantum dots

April 7th, 2019

8:06

Cadmium has featured in red traffic lights, rechargeable batteries and now has a role in quantum dots, according to Allan Blackman, from AUT, in ep …

Bromine - the colour purple and poison gas

April 4th, 2019

9:21

The story of bromine is one of the color purple, the Dead Sea and an early poison gas used in the First World War, says Allan Blackman from AUT, in …

Boron - made by cosmic rays, useful in the kitchen

March 31st, 2019

7:10

Made by cosmic rays and supernovae, used in ovenproof cookware, and a key ingredient in the strongest acid ever made. Allan Blackman from AUT explores boron in ep 12 of Elemental.

Bismuth - an unusual heavy metal

March 28th, 2019

10:09

Bismuth is a heavy metal that expands when frozen, and can be used to levitate trains and soothe upset guts, as Allan Blackman from AUT explains in episode 11 of Elemental.

Beryllium - sweet and precious, but deadly

March 24th, 2019

5:36

You'll find beryllium in precious jewels and a space telescope mirror, but just don't inhale the dust - all in episode 10 of Elemental, with AUT's Professor Allan Blackman.

Berkelium and the synthetic heavyweights

March 21st, 2019

11:59

The heaviest elements on the periodic table have only ever existed fleetingly in the lab, so Allan Blackman from AUT has grouped them all together in episode 9 of Elemental.

Barium - never found on its own

March 17th, 2019

9:25

Barium is never found on its own in nature, as it loves buddying up - but a version of it is found in hospitals. Allan Blackman from AUT reveals barium's secrets in episode 8 of Elemental.

Astatine - awfully rare

March 14th, 2019

8:41

No one has ever seen astatine, which shares the distinction of being one of the rarest naturally-occurring elements on earth. Find out more with Allan Blackman from AUT in episode 7 of Elemental.

Arsenic - the well-known poison

March 10th, 2019

7:37

Arsenic is a well-known killer that was once dubbed 'succession powder'. Join Allan Blackman from AUT in 8 episode of Elemental, a journey through the periodic table.

Argon - every breath you take

March 7th, 2019

7:55

Argon is in every breath you take and its inertness is its best feature, as we discover with AUT chemistry professor Allan Blackman, in episode 5 of Elemental.

Antimony - takes lives, saves lives

March 3rd, 2019

8:03

Antimony can be used to take lives - and to save lives. Check out episode 4 of Elemental with Professor Allan Blackman from AUT.

Americium - a radioactive, domestic do-gooder

February 27th, 2019

7:27

Invented during war, radioactive americium has become a bit of a do-gooder that is in most homes. Find out more with AUT's Allan Blackman in episode 3 of Elemental.

Aluminium - light & versatile

February 24th, 2019

6:22

Aluminium is a light, well-known metal with lots of useful properties. Join AUT chemistry professor Allan Blackman for episode 2 of Elemental.

Actinium - rare & radioactive

February 21st, 2019

6:28

The first alphabetical element in the periodic table is actinium. It is a heavy radioactive element, as we discover in episode 1 of Elemental, with Professor Allan Blackman from AUT.

Tales from the periodic table

February 19th, 2019

10:30

In the prequel to Elemental, AUT's Allan Blackman introduces us to Dmitri Mendeleev and chemistry's periodic table of elements.

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