Ocr gcse chemistry past papers c1 c2 c3

mass calculations Revision Notes Type in answer quiz on the law of conservation of mass Multiple choice quiz on the law of conservation of mass Reacting mass ratio calculations of reactants and products from equations (NOT using. You how should be familiar with combustion, thermal decomposition, oxidation and displacement reactions. Ionic compounds - structure and properties Revision Notes Covalent small simple molecules - structure and properties Revision Notes Macromolecules, giant covalent structures, polymers - structure and properties Notes Metals structure and properties (including alloys) Revision Notes Addition polymer structure - properties and uses including poly(ethene). Practical - measurement of melting point. You should be familiar with the simple (Dalton) atomic model. Practical - determining pH of unknown solutions. C3.2d ( HT only ) Be able to calculate energy changes in a chemical reaction by considering bond making and bond breaking energies Heat changes in chemical/physical changes - exothermic and endothermic Revision Notes Calorimeter methods of determining energy changes and examples of experiments you. Practical - using chromatography to identify mixtures of dyes in an unknown ink. C2.3h Be able to describe the surface area to volume relationship for different-sized particles and be able to describe how this affects properties - practical on dissolving tablets. C3.3a Be able to explain reduction and oxidation in terms of loss or gain of oxygen, identifying which species are oxidised and which are reduced including the concept of oxidising agent and reducing agent. Make sure you know whether you are doing separate science, oCR Gateway Science A gcse grade 9-1 chemistry. Links for.f.1k Distillation - Simple and Fractional Distillation Revision Notes P aper thin layer chromatography (tlc) and gas chromatography (gc, glc) Revision Notes Filtration, evaporation, crystallisation, drying and decantation Revision Notes 4 linked easy quizzes on "Separation of Mixtures" 7Hwf1 * 7Hwf2. Electrons will be transferred between the atoms to form a positive ion and a negative ion. Everyday examples of acid-alkali chemistry - examples and uses of acids and alkalis (pH"d too) Notes pH scale, indicator colours, ionic theory of acids, alkalis (bases) neutralisation Revision Notes Making a soluble salt by neutralising a soluble acid with a soluble base (alkali) Revision. Common misconceptions - the idea that matter is continuous eg the space between gas particles is filled or non-existent, or that particles expand when they are heated. Download Paper, download Marking Scheme, june 2016 OCR Gateway gcse Chemistry Past Papers (J264). Unit B742/01 - Chemistry modules C4, C5, C6 - Foundation - Accredited (PDF, 844KB). Download Paper, download Marking Scheme, chemistry B Chemistry Modules C1, C2, C3 Higher (B741/02). Atoms of each element have the same number of protons as electrons. Unit B741/02 - Chemistry modules C1, C2, C3 - Higher - Accredited (PDF, 911KB). The models suggest that atoms are composed of a nucleus surrounded by electrons.

Ocr gcse chemistry past papers c1 c2 c3

Avogadro gave us a system of measuring the amount of a substance in moles. OCR Level 12 gcse Grade 91 in Chemistry A Gateway Science J248 Foundation Tier Paper 1Higher Tier Paper 3 OCR Grade 91 Gateway gcse Chemistry. Group 1 Alkali Metals chemical properties Group 7 Halogens chemical properties 1b Be able to use the names and hp 5540 says out of paper symbols of common elements and compounds and the principle of conservation of mass to write formulae and balanced. A simple particle model cut perfect circles paper can be to used to represent the arrangement of particles in the different states of matter and to explain observations during changes in state 1d Be able to use the formula of common ions to deduce the formula of a compound. Foundation Tier FT grades 1 to 5 and Higher Tier HT grades. You should be familiar with defining acids and alkalis in terms of neutralisation reactions eg reactions of acids with alkalis to produce a salt and water and reactions of acids with metals to produce a salt and hydrogen.

Ocr gcse chemistry past papers c1 c2 c3: Academic integrity in teaching in research or in scholarship

C2, be able core to relate size and scale of atoms to objects in the physical world and be able to estimate size and scale of atoms and nanoparticles. Gcse chemistry, periods 3i Be piercing able to describe how the properties of nanoparticulate materials are related to their to uses. C3, common misconceptions you have a limited understanding of chemical reactions. You should appreciate the achievements of chemistry in showing how the complex and diverse phenomena of both the natural and manmade worlds can be described in terms of a small number of key ideas which are of universal application. And which can be illustrated, you should be familiar with the different states of matter and their properties. C5 C6 Foundation, contract, c2 1k Be able to suggest chromatographic methods for distinguishing pure from impure substances including paper. Thin layer TLC and gas chromatography 3a Know that carbon can form four covalent bonds 2d Be able to describe and compare the nature and arrangement. Download Marking Scheme, elements are substances that are made up of only one type of atom and atoms of different elements can combine to make compounds. OCR Gateway Science, a 2nd paper C1C7, for example substances may explode.