Chemical Changes and Structure (Nat 5) 0.0 / 5 ? ChemistryChemical Changes and Structure(Nat 5)Scottish HighersSQA Created by: fowlerlilyCreated on: 15-03-16 16:59 Equation for average rate of reaction? Average rate=change in quantity/change in time 1 of 6 How to increase the rate of reaction increase concentration, decrease particle size, increase temperature and use catalyst 2 of 6 What is the atomic number? The number of protons in an atom 3 of 6 What is the mass number? The number of protons and neutrons in an atom 4 of 6 What is an isotope? Atoms of the same element with the same atomic number but a different mass number 5 of 6 What is the relaative atomic mass? The average mass of an element taking into account isotopes 6 of 6
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