The background and chemistry of burning calcium with hydrogen and oxygen to make ‘limelight’.
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The background and chemistry of burning calcium with hydrogen and oxygen to make ‘limelight’.
The story of the discovery of the Hall-Heroult process for purifying aluminium.
The first electric carbon arc lamp was invented by Sir Humphrey Davy of England in 1801. However it wasn’t until 1880 that the discovery of the longer lasting electric lamp really changed the way we live.
By Jo Haywood
Use these worksheets to develop learners’ understanding of atoms and ions, including a demonstration of a metal displacement reaction
By Tim Jolliff
Learners evaluate and discuss ideas about ionic bonding, the formation of ions and energetics
Use this decision tree to help your learners find answers to questions about structure and bonding by scaffolding their thinking
Help learners understand which equation they need to answer questions about acids, bases and buffers by scaffolding their thinking
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