OCR GCSE Chemistry B · J258
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Revise: Atom economy definitionAtom economy is a theoretical value based on the balanced reaction equation. It describes how atoms would be distributed between the products according to that equation. It is therefore possible to compare alternative reaction pathways for making the same substance: a route producing fewer unwanted by-products will often have the higher atom economy.