Key term for OCR GCSE Chemistry A, used in Types of chemical reactions.
The combining power of an element, determined by the number of electrons it must lose or gain to achieve a full outer shell.
Valency appears in OCR GCSE Chemistry A revision content for Chemical reactions, especially Types of chemical reactions and Reactions with Acids.
Create a free account to access OCR GCSE Chemistry A revision notes, track progress, and practise related key terms.
Chemical reactions
Introducing chemical reactions • Periodic Table Formulae
