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10 December 2025

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Topic 19 Lattice Enthalpy & Born–Haber Cycles – CIE AS/A Level Chemistry (8 lessons)

Six–eight lesson unit (120 Slides) for Topic 19 Lattice Enthalpy & Born–Haber Cycles (9701). Clear explanations, definitions and equations that match CIE texts/exams. A ready-to-teach unit ideal for new and experienced teachers.

Lesson List
Lesson 1 — Lattice Enthalpy, Atomisation & Electron Affinity
Lesson 2 — Born–Haber Cycles (Construction & Calculations)
Lesson 3 — Complex Energy-Level Diagrams
Lesson 4 — Factors Affecting Lattice Energy & Thermal Stability
Lesson 5 — Enthalpy Change of Solution (Experimental Approach)
Lesson 6 — Hydration Enthalpy & Solubility Trends
Lesson 7 — Hess Cycles for Hydration & Solution Enthalpies
Lesson 8 — Consolidation & Exam-Style Questions

This PowerPoint directly addresses the specification points on slides 2–3, including:
• Lattice enthalpy (ΔHꝊₗₐₜₜ) and enthalpy change of atomisation (ΔHꝊₐₜ)
• Electron affinity (EA₁, EA₂) and trends
• Born–Haber cycles for ionic compounds
• Hess cycles to calculate unknown lattice enthalpies
• Enthalpy change of solution (ΔHꝊₛₒₗ) and hydration (ΔHꝊₕᵧd)
• Solubility explained using lattice and hydration enthalpies
• Thermal stability of Group 2 carbonates and nitrates
• Ion polarisation, covalent character and lattice distortions

What This Resource Provides
• Carefully planned, ready-to-teach PowerPoint
• Click-in animations supporting teacher modelling and board-writing
• Learning goals and retrieval starters for each lesson section
• Bold, exam-aligned definitions matched to CIE wording
• Fully worked Hess cycles, Born–Haber cycles and energy diagrams
• Guided practice questions and model answers
• AfL tasks, quizzes, consolidation activities and plenaries
• Experimental guidance for determining ΔHꝊₛₒₗ
• End-of-unit exam-style questions and reflection tasks
• Fully aligned with Cambridge International 9701 specification

Get this resource as part of a bundle and save up to 27%

A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.

Bundle

Complete CIE A2 Chemistry (9701) High Quality Bundle – Topics 19–30

This A2 Chemistry bundle provides every PowerPoint required to teach Topics 19–30 of the Cambridge International A Level Chemistry (9701) syllabus. All content aligns precisely with the CIE textbook and exam expectations, including advanced physical, inorganic and organic chemistry. Topics Include: 19. Lattice Enthalpy & Born–Haber Cycles 20. Electrochemistry 21. Further Equilibria 22. Reaction Kinetics (A2) 23. Entropy & Gibbs Free Energy 24. Transition Metals 25. Benzene & Electrophilic Substitution 26. Carboxylic Acids & Acyl Derivatives 27. Organic Nitrogen Compounds 28. Polymerisation 29. Organic Synthesis 30. Analytical Chemistry (Chromatography, GLC, NMR, Spectroscopy) Topics 19–22 — Fully Planned, Ready-to-Teach Lesson Units These PowerPoints follow a structured, lesson-based format with consistent pedagogy to support both new and experienced A Level teachers. Each unit is fully sequenced so teachers can deliver challenging A2 content with clarity and confidence. Key Features • Starter slides with lesson number, title and learning goals in a yellow box • Retrieval starters or warm-up questions at the beginning of each lesson segment • Chunked explanations for complex ideas (Born–Haber cycles, electrode potentials, feasibility, kinetics) • Click-in animations for modelling, annotation, and gradual reveal of diagrams, equations and steps • Worked examples embedded throughout, followed by short AfL checks • Independent practice tasks matched to CIE exam phrasing • Plenaries linked to initial learning objectives • End-of-topic assessment questions in full exam style Topics 23–30 — Knowledge-Rich, Example-Driven PowerPoints These later A2 topics are designed as high-quality content presentations packed with clear explanations, fully worked examples, high-level diagrams and exam-focused structure. They are perfect for direct teaching, revision, flipped lessons or teacher subject-knowledge support. Key Features • Exam-aligned definitions in bold, matching Cambridge mark scheme language • Fully worked calculation examples, including ΔG, entropy, Ksp, Kpc, rate laws, redox, and spectroscopic interpretation • Mechanisms and processes explained step-by-step, including transition-metal redox cycles, electrophilic substitution on benzene, nucleophilic acyl substitution, peptide formation and more • High-quality diagrams and animations for energetics, transition-metal complexes, ligand substitution, orbital splitting and polymer formation • Scaffolded walkthroughs for complex A2 calculations (Gibbs free energy, partition coefficients, buffer pH, solubility product, Nernst equation) • Summary tables of conditions, reagents, mechanisms and functional-group transformations • Exam-style questions throughout, ideal for modelling or independent work • Perfect for note-taking, revision and board modelling during fast-paced A2 lessons Why Choose This A2 Bundle? • Covers the entire A2 syllabus (9701) • Consistent structure and formatting across all topics • Ideal for complete course delivery, revision or intervention • Supports early-career teachers with structured pedagogy (Topics 19–22) • Supports high-attaining A2 students with rich content and worked examples (Topics 23–30) • Saves extensive planning time while maintaining teacher autonomy

£60.00

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