Key term for OCR GCSE Chemistry A, used in Predicting chemical reactions.
The simplest whole-number ratio of atoms of each element present in a compound.
Empirical formula appears in OCR GCSE Chemistry A revision content for Predicting and identifying reactions and products, especially Predicting chemical reactions and Quantitative Arithmetic.
Predicting and identifying reactions and products
Predicting chemical reactions • Quantitative Arithmetic
Chemical reactions
Electrolysis • Quantitative Electrolysis
Chemical reactions
Introducing chemical reactions • Writing Balanced Equations
Chemical reactions
Introducing chemical reactions • Chemical Formulae
Elements, compounds and mixtures
Bonding • Bonding Types and Structures
Elements, compounds and mixtures
Bonding • Bonding Types and Structures
Elements, compounds and mixtures
Purity and separating mixtures • Deducing Empirical Formulae
Elements, compounds and mixtures
Purity and separating mixtures • Empirical Formulae Calculations
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