Chemistry 1 - Atomic Structure 0.0 / 5 ? ChemistryAtomic StructureGCSEAQA Created by: Txmjt_xCreated on: 18-05-18 18:50 Atoms The smallest particle of a chemical element that can exist. 1 of 14 Element A substance that is made up of only one type of atom 2 of 14 Compound Different types of elements chemically bonded together 3 of 14 Reactant The substance you start with in a chemical reaction 4 of 14 Product The substance produced in a chemical reaction 5 of 14 Balanced Equation Same number of each type of atom on both sides of the equation 6 of 14 Mixtures A substance that is made up of two or mode elements or compounds that is not chemically bonded 7 of 14 Law of conservation mass The total mass of the products formed in a reaction is equal to the total mass of the reactants 8 of 14 Filtration A technique used to seperate substances that are insoluble in a solvent from those that are insoluble in the solvent 9 of 14 Crystalisation Evaporating pure salt solution until optimum temperature is reached 10 of 14 Distillation A process of heating and cooling a solution to evaporate the solvent then condensing the given vapour 11 of 14 Fractional Distillation Process of seperating miscible liquids (liquids that dissolve each other, mixing completely) 12 of 14 Paper Chromatography Process 13 of 14 Proton A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge 14 of 14
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