
Four lesson unit for Topic 1 Atomic Structure CIE AS/A Level Chemistry (9701). Clear explanations, definitions and equations that match CIE texts/exams. A ready to teach unit ideal for new and experienced teachers.
This PowerPoint directly addresses the specification points shown on slides 2–3, including:
• 1.1 Particles in the Atom & Atomic Radius
• 1.2 Isotopes
• End-of-topic questions linked to CIE exam style
What This Resource Provides
• Carefully planned, ready-to-teach PowerPoint
• Click in animations, giving teachers the option to model, annotate or write on the board—perfect support for early-career teachers.
• Detailed specification Points covered on beginning slides
• Clear learning goals and starter tasks
• Bold, textbook-aligned definitions matched to CIE exam language
• Equations fully sequenced with correct subscripts
• Worked examples / model questions with answers always provided
• Animations, YouTube links, diagrams
• Retrieval, AfL, consolidation, and plenaries
• Experimental methods and analysis where relevant
• End-of-unit assessment questions and reflection activities
• Each lesson uses a steady “explain → check → apply” model
• Follows the Cambridge A Level course book
• All content matched to the Cambridge International 9701 specification
Lesson 1 – Atomic Structure
Students revisit prior Yr 11 knowledge and build a strong foundation on:
• Definitions (element, atom, subatomic particles)
• Relative mass/charge and how values link to the Periodic Table
• Atomic/proton number, nucleon number, symbols and notation
Includes structured partner discussion, guided notes, and a quiz checking precise understanding.
Pedagogy: Core concepts are delivered in short chunks followed by partner talk, board-writing opportunities, and an AfL quiz before independent textbook-linked tasks.
Lesson 2 – Cathode Ray Tube & Subatomic Particles
Explores the experiments that uncovered the structure of the atom:
• Thomson’s cathode ray tube work
• Mass-to-charge ratio of the electron
• Behaviour of protons, neutrons and electrons in electric/magnetic fields
• Rutherford scattering
Includes diagrams, step-by-step animations and a detailed AfL quiz.
Pedagogy: Information is revealed gradually (“click-in”) to allow teacher questioning, followed by textbook questions and practical-linked reading tasks.
Lessons 3 & 4 – Isotopes, Ions & End-of-Unit Questions
Covers:
• Definition and identification of isotopes
• Constructing isotopic symbols
• Electron number in ions (cations/anions)
• Multiple worked examples
• Full end-of-unit exam-style questions and self-evaluation
Pedagogy: Students apply learning in structured tasks, then synthesise the topic by writing their own summary and completing exam questions for consolidation.
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