More than just a chemical used in swimming pools. Read more
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Chlorine (Cl)
More than just a chemical used in swimming pools.
Sodium (Na)
The alkali metal that plays a role in soap, paper, human health and murder.
Tungsten (W)
Hot, hard and heavy - it cuts steel and penetrates armour, yet China has a near monopoly
Sulphur (S)
Does the world face a looming glut of this devilish yellow element?
Silicon
Is the element behind the computing revolution about to transform the world once again?
Caesium (Cs)
The caesium-based atomic clock has redefined the very meaning of time.
Lead (Pb)
The sweetest of poisons, have we learnt how to handle this heavy metal?
Uranium (U)
Nuclear power is carbon-free but leaves radioactive waste - a real dilemma for Greens
Calcium (Ca)
The great structural element - both in the natural world and in modern engineering
Bromine (Br)
Bromine-based flame retardants are all over your home, but are they a health risk?
Nitrogen
The bringer of life and death on a massive scale, as well as an environmental headache.
Gallium & Indium (Ga, In)
LED lighting and the other electronics revolutionised by two obscure chemical elements.
Boron (B)
The mineral from the Wild West that toughens glass and stops bullets in their tracks.
Copper (Cu) - materials
The distinctive red metal that distills whisky and kills hospital super-bugs.
Copper (Cu) - electricity
Why copper wires? And do solar power and batteries herald the death of the old AC grid?
Nickel
The economy of Nickel, the metal and element that made the jet age possible
Chromium
The metal of modernity - think Harleys and skyscrapers - chromium also has a dark side.
Fluorine
The key building block for CFCs and a string of other gases posing a threat to mankind
Cobalt (Co)
The metal in magnets and phone batteries - but is some of it being mined by children?
Technetium
Essential for medical imaging, supplies of this manmade element are far from guaranteed.
Oxygen (O) - oxidation
The 鈥渆lement of life鈥 also makes our atmosphere very dangerous and costly to operate in.
Titanium (Ti) - materials
Stronger than steel, could this glamorous metal eventually become as common as steel?
Oxygen (O) - industrial uses
Why is oxygen essential to steelmaking, and can you inhale too much of it?
Hydrogen (H) - acids
These powerful chemicals are essential for industry, but are dangerous to handle.
Titanium (Ti) - catalysts
The metal behind plastics, paints, and buildings that clean both themselves and the air.
Magnesium (Mg)
The metal that overcame a fiery reputation to regain its role in making planes and cars.
Beryllium (Be)
This toxic metal can do serious damage to your lungs, so is it safe to use?
Oxygen
The 'element of life' also makes our atmosphere very dangerous and costly to operate in
Iron
How the abundant metal lron became the very stuff of modern industrial life
Cobalt
Boron