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Topic plan · A-Level Chemistry 9701 · Topic 9

Chemical periodicity of elements in Period 3

Period 3 as the worked example of periodicity: atomic radius, ionisation energy, melting point, and the oxides and chlorides across the period.

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Unit at a glance

3 lessons, 135 minutes of teaching

Lessons
3, each planned for 45 minutes
Worksheets
3 with answer keys
Quiz questions
24 multiple-choice, assignable in the app
Lab
Periodicity lab
Scheme of work

The lessons in order

RefLesson packStructureWorksheetQuizLab tab
9.1Period 3: physical properties
Walk from sodium to argon and the elements change from soft reactive metals, through a giant covalent semiconductor, to small molecules and a noble gas.		Connect-Extend-Challenge6 Q, 15 marks8 MCQtab 1, tab 2, tab 5
9.2Period 3: oxides and chlorides
Drop the oxides of Period 3 into water and the pH slides from 14 down to 1.		Anticipation / Reaction Guide6 Q, 15 marks8 MCQtab 3, tab 4
9.3Chemical periodicity of other elements
The Periodic Table repeats itself.		Cooperative Concept Mapping6 Q, 14 marks8 MCQtab 1

Each pack holds the plan, worksheet and quiz for its lesson. Teach the rows in order; the lab tabs match the student lessons.

Also for this topic

Topic resources

Topic labPeriodicity lab Question bank24 questions across the topic Revision notesOne page per lesson Notes PDFPrintable topic notes Student syllabus pageThe Periodic Table: chemical periodicity Practical trainerTitration trainer Practical trainerQualitative analysis Practical trainerRates and energetics graphs Practical trainerPaper 3 workout: dilution and titration Practical trainerPaper 3 workout: enthalpy change Practical trainerPaper 3 workout: a hydrated salt