This PowerPoint presentation with worked examples and student questions covers: • Differences between physical and chemical changes • Explain why physical changes are generally easier to reverse

This PowerPoint presentation with worked examples and student questions covers: • Scientific models as a concept • Structure of the atom • Relative mass and charge of subatomic particles • Bond length of atoms and molecules

This PowerPoint presentation with worked examples and student questions covers: Definitions of pure and impure substances Definition of an alloy Identification of purity with melting points Plotting graphs and data analysis

This PowerPoint presentation with worked examples and student questions covers: • Changes of state • The technique of simple distillation • Concentration of solute increasing in distillation • Jobs related to chemistry • Key word test Insoluble, Soluble, Solvent, Solute, Solution, Distillation, Filtration, and Crystallisation

This PowerPoint presentation with worked examples and student questions covers: • Choosing the correct separation technique • Comparisons of mobile and stationary phases for chromatography • Rf Values • Analysing chromatographs in gas chromatography

This PowerPoint presentation with worked examples and student questions covers: • Experimental Procedure for Thin Layer Chromatography • Analysing and calculating Rf Values • Pros and cons of paper and TL chromatography • Experimental procedure for Gas Chromatography • Persuasive writing and embedding literacy in science

This PowerPoint presentation with worked examples and student questions covers: • Relative size of nanoparticles • Convert nanometres using standard form • Uses and dangers of nanoparticles

OCR AS Chemistry: 12.2 Chemical Reactions of Alkanes This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided. This lesson covers: Combustion reactions Incomplete combustion reactions Balancing equations Using algebraic equations Radical substitution reactions Reaction mechanism for haloalkanes - Initiation, Propagation, and Termination Monosubstituted (positional isomers) isomers

This PowerPoint presentation with worked examples and student questions covers: • Relative atomic mass • Understanding chemical formulas • Relative formula mass

This PowerPoint presentation with worked examples and student questions covers: • Calculate empirical formula and by finding the simplest whole-number ratio • Calculate relative formula mass from balanced equations.

This PowerPoint presentation with worked examples and student questions covers: • Word equations for neutralisation reactions • Describing how ions form salts • Describing how water is formed • Predicting the names of salts formed

This PowerPoint presentation with worked examples and student questions covers: • Dalton, Thomson, Rutherford and Bohr’s models • Comparing different scientific models of the atom

This PowerPoint presentation with worked examples and student questions covers: • Using the periodic table to identify metals and non-metals • Different properties of metal and non-metals (Appearance, melting and boiling point, state of matter at room temperature, ductility, and malleability). • Exceptions of physical properties (mercury being liquid and carbon conducting electricity).

This PowerPoint presentation with worked examples and student questions covers: • Define melting and boiling point of a pure substance. • Predict the state of matter of substance at certain temperatures. • State what the state of matter is of a substance due to the type of bonding. • Metals, covalent structures, ionic structures and simple molecules.

This PowerPoint presentation with worked examples and student questions covers: • Jobs in Material Science • Bulk properties of metals - malleable and conductors of electricity • Bulk properties of ionic and covalent structures - brittle • Explain why substances conducting electricity depends upon the state of matter

This PowerPoint presentation with worked examples and student questions covers: • State the number of elements in a chemical formula. • Determine the chemical formula from display formula. • Dot and cross diagrams for bonded atoms

This PowerPoint presentation with worked examples and student questions covers: • Identifying metals on the periodic table • Predicting the salt formed in acid metal reactions. • Predicting the salt formed in acid carbonate reactions. • Conservation of mass and state symbols

This PowerPoint presentation with worked examples and student questions covers: • Properties of transition metals gases • Comparing transition metals with alkali metals • Everyday applications of transition metals • Transition metals as catalysts

This PowerPoint presentation with worked examples and student questions covers: • Functional groups of alcohols, alkanes, and alkenes. • Comparing incomplete and complete combustion of alcohols • Mnemonic device for naming alcohols • General formula for alcohols • Drawing the structural formula for alcohols

OCR AS Chemistry: 13.4 Electrophilic Addition in Alkenes This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided. This lesson covers: Electrophile molecules Electronegativity Reaction mechanisms for addition reaction of alkenes and hydrogen halides Carbocations and stability Markownikoff’s Rule