Mercury poisoning and the origins of the phrase ‘mad as a hatter’.
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Mercury poisoning and the origins of the phrase ‘mad as a hatter’.
The story of the discovery of the Hall-Heroult process for purifying aluminium.
He invented the alcohol thermometer (1709) and mercury thermometer (1714). He also developed the Fahrenheit temperature scale by reference to three fixed points of temperature, where a mixture of ice, water and ammonium chloride was taken as 0 °F.
2026-04-17T06:00:00Z By Nina Notman
Amp up your lessons on metals and electrolytes with this downloadable story and slide
By Helen Harden and Neil Goalby
Datblygu dealltwriaeth y dysgwyr o ddellt ïonig drwy gymharu cynrychioliadau 2D a 3D
Defnyddiwch yr awgrymiadau sydd wedi’u sgaffaldio i helpu’r dysgwyr i ysgrifennu am swm y sylwedd mewn molau
By Sarah Binns
Rhoi cydbwyso hafaliadau cemegol mewn cyd-destun gyda chwestiynau am danwydd
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