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Chemistry

Acids and Alkalis

When mixed with water, acid and alkalis produce hydrogen and hydroxide ions, respectively. These chemicals are corrosive and should be kept away from the skin…
Adam Duhamel
12 August 2022
Chemistry

Metallic Bonding GCSE

In metallic bonding, electrostatic attraction between negative electrons and positive metal ions bonds the metal together. The lattice structure with free electrons allows metals to…
Adam Duhamel
24 July 2022
Chemistry

GCSE Chemistry Revision

Explainer texts for all GCSE Chemistry courses. Read, learn and then test yourself with the suggested quizzes. Elements, Compounds and Mixtures Testing for Hydrogen (Squeaky…
Adam Duhamel
23 July 2022
Chemistry

Enzyme Action

Enzymes are proteins that act as biological catalysts. This means that they speed up useful reactions in the body, without being used up. Enzymes are…
Adam Duhamel
22 July 2022
Chemistry

Electrical Components

Electrical components are devices that are part of a circuit that perform particular roles. Some components are essential for maintaining the required conditions in a…
Adam Duhamel
22 July 2022