Key term for OCR GCSE Chemistry B, used in Useful acid products.
A negatively charged ion formed when an atom gains electrons.
Anion appears in OCR GCSE Chemistry B revision content for Making useful chemicals, especially Useful acid products and Deducing formulae from ions.
Making useful chemicals
Useful acid products • Deducing formulae from ions
Practical skills
Identification of species • Apparatus and techniques
Ideas about Science
Data interpretation and conclusions • SI units
Chemicals of the natural environment
Electrolysis principles • Extraction of aluminium
Chemicals of the natural environment
Electrolysis principles • Electrodes and products
Chemicals of the natural environment
Electrolysis principles • Products of molten electrolysis
Chemicals of the natural environment
Electrolysis principles • Description of electrolysis
Chemical patterns
Chemical equations • Writing formulae
Chemical patterns
Formation of compounds • Dot and cross diagrams
Chemical patterns
Formation of compounds • Calculating particles in ions
Chemical patterns
Formation of compounds • Ionic bonding explanation
Chemical patterns
Formation of compounds • Ionic bonding nature
Chemical patterns
History of the atomic model • Calculating particle numbers
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