I am a very experienced chemistry teacher and have produced many quality resources which have been extensively tested in the classroom. My resources aim to engage the students and lighten the planning load for the teacher. A distinctive feature is the use of unique images, often animated, to explain concepts. The resources include interactive PowerPoints, activities and games, quizzes, worksheets with answers and exam style questions. Please review my resources!
I am a very experienced chemistry teacher and have produced many quality resources which have been extensively tested in the classroom. My resources aim to engage the students and lighten the planning load for the teacher. A distinctive feature is the use of unique images, often animated, to explain concepts. The resources include interactive PowerPoints, activities and games, quizzes, worksheets with answers and exam style questions. Please review my resources!
This complete lesson on naming alkanes and alkenes is ideal for classroom or home learning. It features a 38 slide interactive, animated PowerPoint as well as a starter activity and plenary (quiz activity) along with a 13 page workbook and a lesson plan. Exam tips and answers to all exercises are provided. The PowerPoint clearly demonstrates the nomenclature rules in a very visual way, whilst the graded exercises and quiz provide a lot of practice at naming a wide variety of hydrocarbons.
This lesson is part of a series covering the OCR AS Chemistry specification and
relates to the following sections :
Module 4 – Core organic chemistry
Part 1 – Basic concepts and hydrocarbons
4.1.1 Basic concepts of organic chemistry
Please review!
Content
• Application of IUPAC rules of nomenclature for systematically naming organic compounds
• Naming alkanes and cycloalkanes
• Naming branched alkanes
• Naming alkenes and branched alkenes
• Naming quiz
Duration: 1 lesson
Links
Previous lesson: topic 40 - Introduction to organic chemistry (free resource)
https://www.tes.com/teaching-resource/introduction-to-organic-chemistry-ocr-as-chemistry-12237143
Next lesson: topic 42 – Functional groups - names and formulae
https://www.tes.com/teaching-resource/functional-groups-names-and-formulae-ocr-as-chemistry-12624555
Quiz on naming alkanes
https://www.tes.com/teaching-resource/quiz-a-question-of-naming-alkanes-12243809
This complete year 12 resource (1-2 lessons) on determining formulae is ideal for classroom or home learning and includes calculating empirical formulae, molecular formulae and formulae of hydrated salts. It features a 37 slide interactive PowerPoint that aims to illustrate the concepts in a visual and systematic way and includes a starter, learning checks, clearly explained example calculations, and a plenary. A 13 page worksheet, a lesson plan 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:
• Definitions and use of the terms empirical and molecular formula
• Simplest whole number ratios
• Calculations of empirical and molecular formulae, from composition by mass or percentage compositions by mass and relative molecular mass
• Calculating % by mass from the formula
• The terms anhydrous, hydrated and water of crystallisation
• Calculation of the formula of a hydrated salt from given percentage composition, mass composition or based on experimental results
Duration: 1-2 lessons
Please review!
Links
Previous lesson: Topic 5 - Amount of substance and the mole
https://www.tes.com/teaching-resource/amount-and-moles-ocr-as-chemistry-12190652
Next lesson: Topic 7 – Moles and gas volumes
https://www.tes.com/teaching-resource/moles-and-gas-volumes-ocr-as-chemistry-12336053
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
This complete year 12 resource (1-2 lessons) on moles and concentrations of solutions is ideal for classroom or home learning and includes concentration, mass concentration, standard solutions and dilution. It features a 71 slide interactive PowerPoint that aims to illustrate the concepts in a visual and systematic way and includes a starter, learning checks, clearly explained example calculations, and a plenary. A 19 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:
• Definitions and use of the terms concentration and mass concentration
• Concentrated and dilute
• Relationship between concentration, amount in mol and volume including concentration triangle
• Calculating concentration, amount in mol, volume and mass from given data
• Example calculations
• Mass concentrations
• Choosing the correct glassware to measure volumes
• Standard solutions
• Practical activity – making up a standard solution
• Diluting solutions and calculations
• Practical activity – diluting solutions
Duration: 1-2 lessons
Please review!
Links
Previous lesson: Topic 7 - Moles and gas volumes
https://www.tes.com/teaching-resource/moles-and-gas-volumes-ocr-as-chemistry-12336053
Next lesson: Topic 9 - Moles and reactions
https://www.tes.com/teaching-resource/moles-and-reactions-ocr-as-chemistry-12404411
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
A fun quiz on naming alkanes and cycloalkanes, based on the format used by A Question of Sport in their picture quiz. Can be used as a team or individual activity, using mini whiteboards to write the answers. A linked interactive PowerPoint, with answers and explanations, is provided along with full teaching notes.
Please review!
Content covered:
• Application of IUPAC rules of nomenclature for systematically naming organic compounds
• Naming alkanes and cycloalkanes
• Naming branched alkanes
Duration: 20 minutes
Links
Complete lesson - Topic 41 - Naming hydrocarbons
https://www.tes.com/teaching-resource/naming-hydrocarbons-ocr-as-chemistry-12242016
This complete year 12 lesson on alkenes covers part of OCR section 4.1.3 (Alkenes). Content includes structure and reactivity of alkenes, the nature of the C=C double bond, addition reactions of alkenes, the electrophilic addition mechanism and Markownikoff’s rule. The resource features a 47 slide animated PowerPoint that illustrates and explains the concepts in a lively and visual way; it includes several interactive slides that link to other slides to allow a non-linear progression through the concepts. There is a starter and a plenary activity as well as a 16 page workbook. Exam tips and answers to the exercise are provided. Ideal for the classroom or blended learning, this resource could be used as an introduction to 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 part of the specification:
Module 4 – Core organic chemistry
Part 1 – Basic concepts and hydrocarbons
4.1.3 − Alkenes
Content covered:
Structure and reactivity of alkenes
The nature of the double bond – sigma and pi bonds
Explanation of restricted rotation around C=C
Shape of ethene in terms of electron pair repulsion theory
Addition reactions of alkenes
Reactions of ethene and propene including addition of halogens, steam, hydrogen halides and hydrogen
Test for alkenes with aqueous bromine
Catalytic addition of hydrogen - mechanism
Margarine manufacture
Definition of electrophile
Electrophilic addition mechanism
Addition of HX to unsymmetrical alkenes - Markownikoff’s rule and explanation
Duration: 1-2 lessons
Please review!
Links
Previous lesson: topic 46 – Reactions of alkanes
https://www.tes.com/teaching-resource/reactions-of-alkanes-ocr-as-chemistry-12987021
Next lesson: topic 48 – Addition polymers (in preparation)
Lesson on naming hydrocarbons:
https://www.tes.com/teaching-resource/naming-hydrocarbons-with-quiz-as-12243823
Lesson on isomerism, including E/Z isomerism of alkenes:
https://www.tes.com/teaching-resource/isomerism-ocr-as-chemistry-12634065
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 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 lesson covers group 2 elements and compounds. It includes the physical and chemical properties of the elements and the reactions of the elements and compounds. The resource features a 46 slide animated PowerPoint that illustrates and explains the concepts in a lively and visual way. A starter and plenary quiz are also included. An 11 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
3.1.2 Group 2
Content covered:
• Structure and physical properties of group 2 elements
• Electron configuration and formation of ions
• First ionisation enthalpy and reactivity
• Redox reactions of group 2 metals with oxygen, water and acids
• Properties of group 2 compounds
• Group 2 oxides and hydroxides – reactions with acids
• Group 2 oxides – reaction with water
• Solubility and alkalinity of group 2 hydroxides
• Reactions of group 2 carbonates with acid
• Uses of group 2 compounds
Duration: 1-2 lessons
Please review!
Links
Previous topic: Topic 22 – Periodicity of ionisation energies and melting points OCR AS Chemistry
https://www.tes.com/teaching-resource/periodicity-of-ionisation-energies-and-melting-points-ocr-as-chemistry-12974680
Next topic: Topic 24 - Group 7 (in preparation)
Related topic: Topic 13 - Redox
https://www.tes.com/teaching-resource/redox-ocr-as-chemistry-12409890
This bundle is ideal for classroom or home learning and covers the whole of the OCR A level chemistry specification sections 2.1 - Atoms and Reactions
Each topic includes a fully interactive PowerPoint including starter, group activities, questions and plenary along with a worksheet and a lesson plan. Answers to all exercises are provided. Some of the resources include a PowerPoint quiz. A practical activity on titration is also included.
This bundle relates to the following sections of the OCR AS Chemistry specification:
Module 2 – Foundations in chemistry
Part 1 – Atoms and reactions (whole)
2.1.1 – Atomic structure and isotopes
2.1.2 – Compounds, formulae and equations
2.1.3 – Amount of substance
2.1.4 – Acids
2.1.5 − Redox
Content covered:
The changing atom
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.
Atomic structure
• Protons, neutrons and electrons – mass and relative charge
• Atomic number and mass number
• Isotopes
• Key definitions
Atomic masses
• 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
Formulae and equations
• 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
Amount of substance and the mole
• Relative masses and the mole
• Avogadro constant
• Calculating number of atoms
• Amount of substance
• Molar mass
• Calculating amount of substance from total mass and vice versa
• Mole triangle
Determining formulae
• Definitions and use of the terms empirical and molecular formula
• Simplest whole number ratios
• Calculations of empirical and molecular formulae, from composition by mass or percentage compositions by mass and relative molecular mass
• Calculating % by mass from the formula
• The terms anhydrous, hydrated and water of crystallisation
• Calculation of the formula of a hydrated salt from given percentage composition, mass composition or based on experimental results
Moles and gas volumes
• Molar volume of a gas
• Moles and gas volume triangle
• Summary of relationships for gases between amount of substance, volume, mass and number of molecules
• Calculating amount of substance from volume of gas and vice versa
• Ideal gases
• The ideal gas equation
Moles and concentrations of solutions
• Definitions and use of the terms concentration and mass concentration
• Concentrated and dilute
• Relationship between concentration, amount in mol and volume including concentration triangle
• Calculating concentration, amount in mol, volume and mass from given data
• Example calculations
• Mass concentrations
• Choosing the correct glassware to measure volumes
• Standard solutions
• Practical activity – making up a standard solution
• Diluting solutions and calculations
• Practical activity – diluting solutions
Moles and reactions
• 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
• 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
Percentage yield and atom economy
• Introduction to Green Chemistry
• Reasons why reactions do not have 100% yield
• % yield and how to calculate it
• Calculations of % yield involving limiting reactant
• Atom economy and its importance in the sustainability of a chemical process
• Calculating atom economy
• Example calculations – clearly illustrated in a highly visual way
• Differences between atom economy and % yield
• Comparing chemical processes in terms of sustainability (using production of ethanol as an example)
Acids and bases
• 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
Acid-base titrations
• Titration and uses
• Standard solution
• Glassware and procedure for titration with detailed hints for technique
• Reading burette
• Recording titration results and calculating the mean
• Titration calculations
• Examples of structured and unstructured calculations
• Revision of calculations involving masses and volumes
• Practical titration activity
• Evaluation of titration experiment
• Uncertainties and calculating % uncertainties
• Procedural errors
Redox
• Redox definition in terms of electron transfer
• Oxidation numbers and how to calculate them
• Oxidation number in chemical names
• Redox definition in terms of oxidation number
• Using oxidation numbers to identify redox reactions and determine what has been oxidised and reduced
• Oxidising and reducing agents
• Disproportionation as oxidation and reduction of the same element
Links
Next bundle:
Electrons and bonding
https://www.tes.com/teaching-resource/electrons-and-bonding-ocr-as-chemistry-12605443
Next topic
Topic 14 – Electron configuration – shells, sub-shells and orbitals
https://www.tes.com/teaching-resource/electron-configuration-shells-sub-shells-and-orbitals-ocr-as-chemistry-12207312
This bundle includes a complete lesson on naming hydrocarbons and a fun quiz on naming alkanes and cycloalkanes, based on the format used by A Question of Sport in their picture quiz.
The complete lesson on naming alkanes and alkenes features a 38 slide interactive, animated PowerPoint as well as a starter activity and plenary (quiz activity) along with a 13 page workbook and a lesson plan. Exam tips and answers to all exercises are provided.
The quiz can be used as a team or individual activity, using mini whiteboards to write the answers. A linked interactive PowerPoint, with answers and explanations, is provided along with full teaching notes.
Please review!
Content covered:
• Application of IUPAC rules of nomenclature for systematically naming organic compounds
• Naming alkanes and cycloalkanes
• Naming branched alkanes
• Naming alkenes and branched alkenes
• Naming quiz
Duration: 1 lesson + 20 minutes for quiz
Links
Previous lesson: topic 40 – Introduction to organic chemistry
https://www.tes.com/teaching-resource/introduction-to-organic-chemistry-ocr-as-chemistry-12237143
Next lesson: topic 42 – Functional groups - names and formulae
https://www.tes.com/teaching-resource/functional-groups-names-and-formulae-ocr-as-chemistry-12624555
This complete year 12 resource (2 lessons) on redox covers the whole of OCR section 2.1.5 (Redox) and includes definitions of redox, oxidation number and redox reactions. It features a 59 slide interactive PowerPoint that illustrates the concepts in a lively, visual and systematic way and includes a starter, learning checks, a quiz, clearly explained examples (including exam style questions) and a plenary. A 12 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 2 – Foundations in chemistry
Part 1 – Atoms and reactions
2.1.5 – Redox
Content covered:
• Redox definition in terms of electron transfer
• Oxidation numbers and how to calculate them
• Oxidation number in chemical names
• Redox definition in terms of oxidation number
• Using oxidation numbers to identify redox reactions and determine what has been oxidised and reduced
• Oxidising and reducing agents
• Disproportionation as oxidation and reduction of the same element
Duration: 2 lessons
Please review!
Links
Previous topic: Topic 12 – Acid-base titrations (in preparation)
Next topic: Topic 14 – Electron configuration – shells, sub-shells and orbitals
https://www.tes.com/teaching-resource/electron-configuration-shells-sub-shells-and-orbitals-ocr-as-chemistry-12207312
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
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
One of a series of FREE resources designed to help AS Chemistry students in year 12 to finish the AS specification by self-study before starting the A2 year.
This knowledge organiser / poster / mat summarises all the important information about mass spectrometry in a colourful and concise way. It can be printed on one A4 page.
For a more detailed treatment of the topic see Mass spectrometry – A level home learning https://www.tes.com/teaching-resource/mass-spectrometry-a-level-home-learning-12287938 which includes an interactive, animated PowerPoint and a worksheet with answers.
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
Please review!
Content covered
• diagram and description of a mass spectrometer
• m/z
• relative intensity
• base peak
• molecular ion
• M+1 peak
• fragments
• interpreting the mass spectrum
• mass spectrum of ethanol
• summary of fragments for ethanol
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 lesson on amount of substance and the mole is ideal for classroom and home learning. It features a 49 slide interactive PowerPoint including starter, group activities, quizzes, questions and plenary along with a 13 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
2.1.3 Amount of substance
Please review!
Content covered:
• Relative masses and the mole
• Avogadro constant
• Calculating number of atoms
• Amount of substance
• Molar mass
• Calculating amount of substance from total mass and vice versa
• Mole triangle
Duration: 1-2 lessons
Links
Previous lesson: Topic 4 – Formulae and equations https://www.tes.com/teaching-resource/formulae-and-equations-ocr-as-chemistry-12186723
Next lesson: Topic 5 – Moles and gas volumes https://www.tes.com/teaching-resource/moles-and-gas-volumes-ocr-as-chemistry-12336053
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
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 on names and formulae of organic compounds with functional groups covers part of OCR section 4.1.1 (Basic concepts of organic chemistry). It features a 42 slide animated PowerPoint as well as a starter activity and plenary along with a 12 page workbook. Exam tips and answers to all exercises are provided. Ideal for the classroom or blended learning, this resource could be used as an introduction to 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 part of the specification:
Module 4 – Core organic chemistry
Part 1 – Basic concepts and hydrocarbons
4.1.1 Basic concepts of organic chemistry
Content covered:
• Application of IUPAC rules of nomenclature for systematically naming organic compounds
• Practice naming organic compounds including those with functional groups
• Revision of empirical and molecular formula and how to calculate them
• Formulae of compounds with functional groups
- Displayed formula
- Structural formula
- Skeletal formula
Duration: 1 lesson
Please review!
Links
Previous lesson: topic 41 – Naming hydrocarbons
https://www.tes.com/teaching-resource/resource-12242016
Quiz: A question of naming alkanes
https://www.tes.com/teaching-resource/resource-12243809
Bundle: Naming alkanes with quiz
https://www.tes.com/teaching-resource/resource-12243823
Next lesson: topic 43 – Isomerism
https://www.tes.com/teaching-resource/resource-12634065
This complete year 12 resource on percentage yield and atom economy includes an introduction to Green Chemistry, percentage yield, limiting reactant and atom economy and its importance for sustainability. It features a 53 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 true false quiz as plenary. A 13 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
2.1.3 – Amount of substance
Content covered:
• Introduction to Green Chemistry
• Reasons why reactions do not have 100% yield
• % yield and how to calculate it
• Calculations of % yield involving limiting reactant
• Atom economy and its importance in the sustainability of a chemical process
• Calculating atom economy
• Example calculations – clearly illustrated in a highly visual way
• Differences between atom economy and % yield
• Comparing chemical processes in terms of sustainability (using production of ethanol as an example)
Duration: 1-2 lessons
Please review!
Links
Previous topic: Topic 9 – Moles and reactions
https://www.tes.com/teaching-resource/moles-and-reactions-ocr-as-chemistry-12404411
Next topic: Topic 11 – Acids and bases
https://www.tes.com/teaching-resource/acids-and-bases-ocr-as-chemistry-12747201
Bundle covering whole of 2.1.3 – Amount of substance
https://www.tes.com/teaching-resource/moles-masses-concentrations-gas-volumes-and-reactions-12404451