Includes a fully interactive PowerPoint quiz on writing the formulae of ions and compounds! This complete lesson is ideal for classroom or home learning. It features a 32 slide interactive PowerPoint including starter, group activities, questions and plenary along with an 8 page worksheet and a lesson plan. Answers to all exercises are provided. This lesson is part of a series covering the OCR AS Chemistry specification and relates to the following sections: Module 2 – Foundations in chemistry Part 1 – Atoms and reactions 2.1.2 Compounds, formulae and equations Please review! Content covered: • Formulae of ions • Predicting ionic charges from the Periodic Table • Writing the formulae of ionic compounds and elements • Writing and balancing equations • Common types of reaction and their equations Duration: one lesson Links Previous lesson: Topic 3: Atomic masses https://www.tes.com/teaching-resource/atomic-masses-ocr-as-chemistry-12183618 Next lesson: Topic 5: Amount of substance and the mole https://www.tes.com/teaching-resource/amount-and-moles-ocr-as-chemistry-12190652 Bundle covering the whole of the OCR A level chemistry specification sections 2.1.1 and 2.1.2. (topics 1-4) https://www.tes.com/teaching-resource/atomic-masses-formulae-and-equations-ocr-as-chemistry-12348685

Unique package of interactive PowerPoint and paper-based activities that can be used in the classroom or for revision or independent self-study. This resource covers AS and A2 infrared (IR) spectroscopy through a 26 slide interactive PowerPoint, which is colourful, animated and presents the information in a flexible way. Each PowerPoint slide contains links to other slides, to enable easy navigation and to emphasise links between different aspects of infrared spectroscopy. As well as pages devoted to each of the key terms in infrared spectroscopy, the PowerPoint shows clearly how molecular vibrations occur and how they give rise to absorption peaks in the infrared spectrum. A method for interpreting infrared spectra is given, illustrated by several animated examples with spectra and structures to aid understanding of the process. Also included is a graded worksheet with 9 pages, including problems where unknown structures are identified. Full answers are provided. This resource was developed primarily for the OCR A level Chemistry specification but is useful for all specifications. It relates to the following sections : AS: Module 4 – Core organic chemistry Part 2 – Alcohols, haloalkanes and analysis 4.2.4 Analytical techniques A2: Module 6 – Organic chemistry and analysis Part 3 – Analysis 6.3.2 Spectroscopy (Combined techniques) Please review! Content covered • introduction to spectroscopy linked to the electromagnetic spectrum • meaning of wavenumber and transmittance • molecular vibrations • bond stretching • fingerprint region of spectrum • types and shapes of peaks • infrared and global warming • the greenhouse effect and greenhouse gases • interpreting the infrared spectrum • examples of IR spectra with animated explanation linking peaks to structure • uses of infrared spectroscopy Duration: 1-2 lessons and/or independent study Links See also Mass spectrometry A level home learning https://www.tes.com/teaching-resource/mass-spectrometry-a-level-home-learning-12287938 Free resource - identifying compounds from infrared and mass spectra https://www.tes.com/teaching-resource/identifying-compounds-from-infrared-and-mass-spectra-a-level-12325481

This complete year 12 resource (2 lessons) on moles and reactions includes reacting masses, stoichiometry, molar ratios and using moles to calculate quantities from chemical reactions (mass, concentration and volume of gases). It features a 33 slide interactive PowerPoint that illustrates the concepts in a lively, visual and systematic way and includes a starter, learning checks, clearly explained example calculations, and a plenary. A 24 page worksheet and answers to all exercises are provided. This lesson is part of a series covering the OCR AS Chemistry specification and relates to the following sections: Module 2 – Foundations in chemistry Part 1 – Atoms and reactions 2.1.3 – Amount of substance Content covered: • Balanced chemical equations and stoichiometry • Molar ratios • Using molar ratio to calculate amounts in moles of reactants and products in a chemical reaction • Using molar ratio to calculate masses of reactants and products in a chemical reaction (reacting masses) • Using molar ratio to calculate volumes of gases in a chemical reaction • Flow diagrams showing steps in calculations involving quantities of reacting substances • Example calculations – clearly illustrated in a highly visual way Duration: 2 lessons Please review! Links Previous topic: topic 8 – Moles and concentrations of solutions https://www.tes.com/teaching-resource/moles-and-concentration-of-solutions-ocr-as-chemistry-12391026 Next topic: topic 10 – Percentage yield and atom economy (free resource) https://www.tes.com/teaching-resource/resource-12745344 Free resource - standard form, decimal places and significant figures https://www.tes.com/teaching-resource/standard-form-decimal-places-and-significant-figures-a-level-chemistry-12405507 Bundle covering whole of 2.1.3 – Amount of substance https://www.tes.com/teaching-resource/moles-masses-concentrations-gas-volumes-and-reactions-12404451

This complete year 12 lesson on bond enthalpies covers part of OCR section 3.2.1 (Enthalpy changes). It includes the energetics topics: making and breaking covalent bonds, average bond enthalpies, calculations involving bond enthalpies and their limitations. It features a 25 slide interactive PowerPoint that illustrates the concepts in a lively, visual and systematic way and includes a starter, learning checks, clearly explained examples, including example calculations ,and a plenary discussion. An 8 page worksheet and answers to the exercises are provided. This resource is part of a series covering the OCR AS Chemistry specification and relates to the following sections: Module 3 – Periodic table and energy Part 2 – Physical chemistry 3.2.1 – Enthalpy changes Content covered: • Making covalent bonds (exothermic) and breaking covalent bonds (endothermic) • Overall enthalpy change linked to relative enthalpies of breaking and making bonds – enthalpy profile diagram • Average bond enthalpies and why they differ from actual bond enthalpies • Factors affecting average bond enthalpies • Calculations involving bond enthalpies • Limitations of bond enthalpy calculations • Plenary discussion about why there is a constant increase in the enthalpy change of combustion of alcohols for each CH2 group added Duration: 1 lesson Please review! Links Previous topic: Topic 26 – Experimental determination of enthalpy changes OCR AS chemistry https://www.tes.com/teaching-resource/resource-12517135 Next topic: Topic 28 – Hess’s Law https://www.tes.com/teaching-resource/resource-12608484 Free resource - Standard form, decimal places and significant figures https://www.tes.com/teaching-resource/resource-12405507

This complete year 12 lesson on covalent bonding includes dot-and-cross diagrams, single, double, triple and dative covalent bonds as well as lone pairs, exceptions to the Octet Rule and bond enthalpies. It features a 37 slide animated PowerPoint that illustrates the concepts in a lively and visual way and includes a starter, learning checks, animations, clearly explained examples including dot-and-cross diagrams, and a plenary discussion. A 12 page worksheet and answers to the exercises are provided. This resource is part of a series covering the OCR AS Chemistry specification and relates to the following sections: Module 2 – Foundations in chemistry Part 2 – Electrons, bonding and structure 2.2.2 Bonding and structure Content covered: • Definition of a covalent bond • Single, double and triple covalent bonds • Lone pairs • How to construct dot-and-cross diagrams • Dative covalent or coordinate bonds • The Octet Rule and exceptions • Average bond enthalpies Duration: 1-2 lessons Please review! Links Previous topic: Topic 15 Ionic bonding OCR AS Chemistry https://www.tes.com/teaching-resource/resource-12598361 Next topic: Topic 17 – Shapes of molecules and ions OCR AS Chemistry https://www.tes.com/teaching-resource/resource-12220291

This complete year 12 lesson on structure and bonding includes structures and physical properties of giant ionic, giant covalent, giant metallic and simple molecular substances. The factors affecting physical properties are discussed, including structure, types of particles the lattice is built up from and the bonds or forces holding these particles together. The resource features a 52 slide animated PowerPoint that illustrates the concepts in a lively and visual way and includes a starter, learning checks, animations, clearly explained examples, a jigsaw discussion and a plenary quiz. A 15 page worksheet and answers to the exercises are provided. This resource is part of a series covering the OCR AS Chemistry specification and relates to the following sections: Module 2 – Foundations in chemistry Part 2 – Electrons, bonding and structure 2.2.2 Bonding and structure (part) Module 3 – Periodic table and energy Part 1 – the Periodic Table 3.1.1 Periodicity (part) Content covered: • Factors influencing physical properties • The way the atoms/ions are grouped together (structure) • The type of particles the lattice is built up from • The bonds or forces holding these particles together • Structure and physical properties of ionic compounds (see also topic 15) • Structures and physical properties of covalent substances including giant covalent and simple molecular structures • Diamond and graphite – structures and properties • Graphene • Metallic bonding, structure and physical properties • Summary of types of bonding • Jigsaw discussion to summarise 4 main types of structure and their properties Duration: 2 lessons Please review! Links Previous topic: Topic 19 – Intermolecular forces https://www.tes.com/teaching-resource/intermolecular-forces-ocr-as-chemistry-12927621 Next topic: Topic 21 The Periodic Table past and present https://www.tes.com/teaching-resource/periodic-table-past-and-present-ocr-as-chemistry-12964450

This complete year 12 lesson on experimental determination of enthalpy changes covers part of OCR section 3.2.1 (Enthalpy changes). It includes the energetics topics: calorimetry, associated errors, and calculations involving q = mc∆T . It features a 36 slide interactive PowerPoint that illustrates the concepts in a lively, visual and systematic way and includes a starter, learning checks, clearly explained examples, including example calculations ,and a plenary quiz. A 12 page worksheet and answers to the exercises are provided. This resource is part of a series covering the OCR AS Chemistry specification and relates to the following sections: Module 3 – Periodic table and energy Part 2 – Physical chemistry 3.2.1 – Enthalpy changes Content covered: • Energy exchange with the surroundings - heat loss in a chemical system = heat gain by surroundings • Temperature scales • Determining enthalpy changes using calorimetry • Calculations involving q = mc∆T . • Determining enthalpy changes in solution • Determining enthalpy of combustion • Errors associated with calorimetry experiments and how to minimise them • Cooling curves and how to find the temperature rise • Thermometric titration Duration: 1 lesson Please review! Links Previous topic: Topic 25 – Enthalpy changes (free resource) https://www.tes.com/teaching-resource/enthalpy-changes-ocr-as-chemistry-12509439 Next topic: Topic 27 – Bond enthalpies https://www.tes.com/teaching-resource/resource-12595300 Free resource - standard form, decimal places and significant figures https://www.tes.com/teaching-resource/resource-12405507

This complete year 12 resource on acids, bases, alkalis, neutralization and salts includes formulae of acids, bases, alkalis and salts, equations for neutralization reactions and ionic equations. It features a 39 slide interactive PowerPoint that illustrates the concepts in a lively, visual and systematic way and includes a starter, learning checks, clearly explained examples of writing and balancing equations, and a quick quiz as plenary. A 17 page worksheet and answers to all exercises are provided. Ideal for the classroom or blended learning, this resource could be used to present the topic, or for revision, extension or consolidation. This lesson is part of a series covering the OCR AS Chemistry specification and relates to the following sections: Module 2 – Foundations in chemistry Part 1 – Atoms and reactions 2.1.4 – Acids (part) Content covered: • Definitions of acid, base, alkali and salt • Formulae of acids, bases, alkalis and salts • The relationship between bases and alkalis • The pH scale • Everyday examples of acids and bases • Weak and strong acids • Diprotic acids • Writing and balancing neutralization reactions (including acid-carbonate reactions) • Ionic equations Duration: 1-2 lessons Please review! Links Previous topic: Topic10 – Percentage yield and atom economy https://www.tes.com/teaching-resource/percentage-yield-and-atom-economy-ocr-as-chemistry-12745344 Next topic: Topic 12 – Acid-base titrations https://www.tes.com/teaching-resource/acid-base-titrations-ocr-as-chemistry-12749636 Related topic: Topic 4 - Formulae and equations https://www.tes.com/teaching-resource/formulae-and-equations-ocr-as-chemistry-12186723

One of a series of FREE resources designed to help AS Chemistry students to finish the AS specification by self-study before starting the A2 year. This knowledge organiser/poster/mat summarises all the important information about the chemistry of alcohols in a colourful and concise way. It can be printed on one A4 page. For a more detailed treatment of the topic see Chemistry of Alcohols – AS homelearning https://www.tes.com/teaching-resource/chemistry-of-alcohols-as-home-learning-12273938, which includes an interactive, animated PowerPoint and a worksheet with answers. Please review! Content covered • Primary, secondary and tertiary alcohols • Substitution reaction of alcohols • Oxidation of alcohols • Elimination (dehydration) reaction of alcohols • Reactions of primary, secondary and tertiary alcohols • Reaction classification • Reagents and conditions • Structural equations • Key definitions • Heating under reflux • Distillation to prevent complete oxidation

This is the first in a series of MULTIPLE CHOICE QUIZZES (MCQs) for AS Chemistry, provided in two formats – PowerPoint for a fun classroom activity and a paper quiz for assessment or homework. Either quiz would be an invaluable tool for revision. The questions are graded – starting off fairly straightforward and progressing to more challenging examples. A, B, C, D cards for students to hold up in class can be made from the template provided. This multiple choice quiz on atomic structure is part of a series primarily aimed at the OCR AS Chemistry specification and relates to the following sections: Module 2 – Foundations in chemistry Part 1 – Atoms and reactions 2.1.1 Atomic structure and isotopes Please review! Content covered • Protons, neutrons and electrons – mass and relative charge • Atomic number and mass number • Isotopes • Key definitions Links Next multiple choice quiz: Atomic masses (in preparation) For full lesson on Atomic Structure with PowerPoint and worksheet see https://www.tes.com/teaching-resource/atomic-structure-ocr-as-chemistry-12182593

This is the first in a series of ACTIVE REVISION SHEETS for AS Chemistry, designed to help students actively learn by filling in blanks and testing themselves as part of their revision. Each revision sheet consists of alternating A4 question and answer pages. The question pages have gaps and tables to fill in, as well as quick check questions. The answer pages have the same format, but with all the blanks filled in and answers to all questions. The question and answer pages should be printed back to back on A4 or side by side on A3 or A4 (reduced) – in the latter case the sheets should be folded in half to hide the answers. Ideal for self-study or classroom use, students can complete the question pages before looking at the answers to check their learning. Learning outcomes and tick boxes for each outcome are also provided. This 4 page revision sheet on atomic structure is part of a series primarily aimed at the OCR AS Chemistry specification and relates to the following sections: Module 2 – Foundations in chemistry Part 1 – Atoms and reactions 2.1.1 Atomic structure and isotopes Please review! Content covered • Protons, neutrons and electrons – mass and relative charge • Atomic number and mass number • Isotopes • Key definitions Links Next revision sheet: Atomic masses https://www.tes.com/teaching-resource/atomic-masses-as-active-revision-12251537 For full lesson with PowerPoint and worksheet see https://www.tes.com/teaching-resource/atomic-structure-ocr-as-chemistry-12182593

This complete year 12 lesson on electronegativity and bond polarity includes electronegativity, core charge, non-polar and polar covalent bonds and predicting the polarity of molecules from the bond polarities and the molecular shape. It features a 23 slide animated PowerPoint that illustrates the concepts in a lively and visual way and includes a starter, learning checks, animations, clearly explained examples and a plenary. A 6 page worksheet and answers to the exercises are provided. This resource is part of a series covering the OCR AS Chemistry specification and relates to the following sections: Module 2 – Foundations in chemistry Part 2 – Electrons, bonding and structure 2.2.2 Bonding and structure Content covered • Definition of electronegativity • Atomic core and calculation of core charge • Factors affecting electronegativity • Pauling scale of electronegativity • Electronegativity and bond polarity • Non-polar and polar covalent bonds • Electronegativity and bonding type (including intermediate bonding) • Polarity of molecules from the bond polarities and the molecular shape • Predicting whether a molecule will have an overall dipole from its symmetry Duration: 1 lesson Please review! Links Previous topic: Topic 17 – Shapes of molecules and ions OCR AS Chemistry https://www.tes.com/teaching-resource/resource-12220291 Next topic: Topic 19 Intermolecular forces https://www.tes.com/teaching-resource/intermolecular-forces-ocr-as-chemistry-12927621

This complete year 12 lesson covers the qualitative analysis of ions including carbonate ions, sulfate ions, halide ions and ammonium ions. It explains the use of precipitation reactions and acid-base reactions to identify cations and anions. The resource features a 27 slide animated PowerPoint that illustrates and explains the concepts in a lively and visual way and includes images of the observations in the key reactions. . A starter and a plenary activity are also included. A 7 page worksheet and answers to all exercises are provided. This resource is part of a series covering the OCR AS Chemistry specification and relates to the following sections: Module 3 – Periodic table and energy Part 1 – The periodic table 3.1.4 – Qualitative analysis Content covered: • Precipitation and acid-base reactions • Tests for carbon dioxide and ammonia • Tests for anions including carbonate, sulfate, chloride, bromide and iodide ions • Sequence of tests for anions, with reasons • Analysing mixtures of anions • Tests for cations – ammonium ion Duration: 1 lesson Please review! Links Previous topic: Topic 24 – The halogens https://www.tes.com/teaching-resource/the-halogens-ocr-as-chemistry-13125529 Next topic: Topic 25 – Enthalpy changes https://www.tes.com/teaching-resource/enthalpy-changes-ocr-as-chemistry-12509439 Related topic: Topic 23 – Group 2 https://www.tes.com/teaching-resource/group-2-ocr-as-chemistry-13074756

Serving as an introduction to atomic structure, this lesson on the Changing Atom includes all the materials needed for a group activity on the contributions of key scientists to the development of the theory of atomic structure. It features an interactive PowerPoint including starter, group activity, questions and plenary along with a worksheet and a lesson plan. This is the first lesson in a series covering the OCR AS Chemistry specification and relates to the following sections: Module 2 – Foundations in chemistry Part 1 – Atoms and reactions 2.1.1 Atomic structure and isotopes Please review! Content covered How Science Works - HSW7 - The changing accepted models of atomic structure over time. The contributions of five scientists to the development of the theory of atomic structure. Duration : One part lesson (setting up) and one whole lesson (group activity and plenary). The rest of the part lesson can be spent starting atomic structure (see atomic structure lesson) Links Next lesson – Topic 1: Atomic structure https://www.tes.com/teaching-resource/atomic-structure-ocr-as-chemistry-12182593 Bundle covering the whole of the OCR A level chemistry specification sections 2.1.1 and 2.1.2. (topics 1-4) https://www.tes.com/teaching-resource/atomic-masses-formulae-and-equations-ocr-as-chemistry-12348685

Includes a fully interactive PowerPoint true-false quiz to recap the previous lesson on atomic structure, along with the template for the true-false cards needed in the classroom. This complete lesson on the topic atomic masses and mass spectrometry is ideal for classroom or home study. It features a 30 slide interactive PowerPoint including starter, group activities, questions and plenary along with a 10 page worksheet and a lesson plan. An exam style question is also included. Answers to all exercises are provided. This lesson is part of a series covering the OCR AS Chemistry specification and relates to the following sections: Module 2 – Foundations in chemistry Part 1 – Atoms and reactions 2.1.1 Atomic structure and isotopes Please review! Content covered • Relative masses - comparison of masses to carbon-12 • Calculating relative atomic mass from the masses and abundances of the isotopes • Mass spectrometry and its use in the above • Calculating relative molecular and relative formula masses from formulae • Key definitions of relative atomic mass and relative isotopic mass Duration: one lesson Links Previous lesson: Topic 2: Atomic structure https://www.tes.com/teaching-resource/atomic-structure-ocr-as-chemistry-12182593 Next lesson: Topic 4: Formulae and equations https://www.tes.com/teaching-resource/formulae-and-equations-ocr-as-chemistry-12186723 Bundle covering the whole of the OCR A level chemistry specification sections 2.1.1 and 2.1.2. (topics 1-4) https://www.tes.com/teaching-resource/atomic-masses-formulae-and-equations-ocr-as-chemistry-12348685

Unique package of interactive PowerPoint and paper based activities that can be used for independent work or in the classroom. This resource covers A2 organic aromatic synthetic routes through a 12 slide interactive PowerPoint that is based on a clear chart of numbered synthetic routes, where each number is linked to a page detailing that reaction. Information given includes type of reaction, reagents and conditions and an equation, as well as key definitions. In addition most reactions have an animated mechanism or structural equation. Extra information is provided on tests for functional groups and topics such as activated benzene rings. Also included are a blank chart of the synthetic routes for printing (preferably A3 size), together with a blank table for practicing types of reaction and reagents and conditions. Full answers are provided. This resourced was produced primarily for OCR A level chemistry but would be useful for other boards as well. It relates particularly to the following sections: Module 6 – Organic chemistry and analysis Part 2 – Nitrogen compounds, polymers and synthesis 6.2.5 Organic synthesis Please review! Content covered • A2 aromatic synthetic routes • Reaction classification • Reagents and conditions • Structural equations • Animated mechanisms • Key definitions • Activated benzene rings • Tests for functional groups Duration: 1-2 lessons or independent study Links Please see also: organic synthesis - aliphatic https://www.tes.com/teaching-resource/organic-synthesis-aliphatic-12199467 AS organic synthesis https://www.tes.com/teaching-resource/as-organic-synthesis-12254256

This complete resource (1-2 lessons) on the shapes of molecules is ideal for classroom or home learning. It features a 42 slide PowerPoint showing the application of the electron pair repulsion theory in a highly visual way with high quality animated 3D images. Also included are starter, balloon modeling activity, model answer to exam question and plenary along with a 9 page workbook and a lesson plan. Exam tips and answers to all exercises are provided. This lesson is part of a series covering the OCR AS Chemistry specification and relates to the following sections: Module 2 – Foundations in chemistry Part 2 – Electrons, bonding and structure 2.2.2 Bonding and structure Please review! Content covered: • Electron pair repulsion theory (VSEPR) • Effect of lone pairs on shape • Model answer to exam question • How to draw simple shapes in 3D • Bond angles Duration: 1-2 lessons Links Previous lesson: Topic 16 – covalent bonding https://www.tes.com/teaching-resource/covalent-bonding-ocr-as-chemistry-12605422 Next lesson: topic 18 – Electronegativity and bond polarity https://www.tes.com/teaching-resource/electronegativity-and-bond-polarity-ocr-as-chemistry-12888524

This is part of a series of ACTIVE REVISION SHEETS for AS Chemistry, designed to help students actively learn by filling in blanks and testing themselves as part of their revision. Each revision sheet consists of alternating A4 question and answer pages. The question pages have gaps and tables to fill in, as well as quick check questions. The answer pages have the same format, but with all the blanks filled in and answers to all questions. The question and answer pages should be printed back to back on A4 or side by side on A3 or A4 (reduced) – in the latter case the sheets should be folded in half to hide the answers. Ideal for self-study or classroom use, students can complete the question pages before looking at the answers to check their learning. Learning outcomes and tick boxes for each outcome are also provided. This 6 page revision sheet on atomic masses is part of a series primarily aimed at the OCR AS Chemistry specification and relates to the following sections: Module 2 – Foundations in chemistry Part 1 – Atoms and reactions 2.1.1 Atomic structure and isotopes Please review! Content covered • Relative masses - comparison of masses to carbon-12 • Calculating relative atomic mass from the masses and abundances of the isotopes • Mass spectrometry and its use in the above • Calculating relative molecular and relative formula masses from formulae • Key definitions of relative atomic mass and relative isotopic mass Links Previous revision sheet – Atomic structure Next revision sheet – Formulae and equations For full lesson with PowerPoint and worksheet see also Topic 3 - Atomic masses https://www.tes.com/teaching-resource/atomic-masses-ocr-as-chemistry-12183618