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FREE AQA GCSE Chemistry C2.1 Development of the Periodic Table (Updated 2026)

FREE AQA GCSE Chemistry C2.1 Development of the Periodic Table (Updated 2026)

Subject: Chemistry

Age range: 14-16

Resource type: Lesson (complete)

Last updated

17 February 2026

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Updated for 2025 – AQA GCSE Chemistry & Combined Science (8462 / 8464)

This FREE, fully editable lesson introduces C2.1 – Development of the Periodic Table from the AQA GCSE Chemistry specification.

Students explore how scientists first attempted to organise the elements, why early classification systems failed, and how Mendeleev’s Periodic Law transformed scientific understanding.

Engaging visuals, historical timelines and structured exam-style activities help students understand the story of discovery while making clear links to modern atomic theory — fully aligned with Paper 1: Atomic Structure and the Periodic Table.

Includes FREE AI long-answer feedback.
Students can submit extended-response answers online and receive instant, AQA-aligned WWW / EBI feedback to improve:

• Scientific reasoning
• Answer structure
• Clarity and use of key terminology

What’s Included

• Fully editable PowerPoint presentation featuring:
– Historical timeline
– Key scientists and discoveries
– Clear specification-linked explanations

• Printable student worksheet with:
– Foundation → Higher differentiated questions
– Model answers included

• Retrieval starter and plenary quiz

• AFL checkpoints throughout

• Differentiated challenge tasks for higher-attaining students

• Homework / revision activity

• Comprehensive teacher answer key

Topics Covered

• Early classification attempts:
– Dobereiner’s Triads
– Newlands’ Law of Octaves

• Mendeleev’s Periodic Law
• Prediction of undiscovered elements
• Transition from atomic mass to atomic number
• How the modern Periodic Table improved on earlier models
• Scientific model development and evidence-based revision

Why Teachers Love This FREE Lesson

• Completely free and ready to teach immediately
• Fully aligned with AQA GCSE Chemistry (8462 / 8464)
• Strong exam focus with structured reasoning practice
• Clear progression from history to modern theory
• Differentiated for Foundation and Higher tiers
• Demonstrates AI-enhanced feedback in a classroom-ready format

Perfect For

• GCSE Chemistry and Combined Science – Paper 1
• First teaching of C2.1
• Revision lessons or cover work
• Teachers exploring AI-assisted marking and feedback

Format

PPTX slides
DOCX / PDF worksheets
Fully editable
Print-friendly

Next Step

Enjoyed this free lesson?

Explore the full AQA Chemistry C2 – The Periodic Table unit bundle:
• 6 complete lessons
• Worksheets and assessments included
• Save over 40% compared with individual purchases

Browse the full shop for more AQA GCSE Chemistry resources.

TES Keywords

AQA Chemistry, C2 Periodic Table, Development of the Periodic Table, Mendeleev, Atomic Mass, Atomic Number, Dobereiner, Newlands, GCSE Chemistry, KS4 Science, AQA 9–1, Free Chemistry Lesson, AI Marking

Creative Commons "Sharealike"

Get this resource as part of a bundle and save up to 20%

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

Bundle

AQA Chemistry C2 The Periodic Table – Full Topic Bundle (Updated 2025 | 6 Lessons + Worksheets + Assessment + AI Feedback)

**Updated for 2025 – AQA GCSE Chemistry & Combined Science (8462 / 8464)** A complete, fully editable **AQA Chemistry C2 – The Periodic Table** unit containing everything needed to teach this topic from start to finish. This comprehensive bundle includes six structured lessons, differentiated worksheets, retrieval practice, and a full end-of-topic assessment with mark scheme. Every resource is curriculum-true, exam-focused, and designed to reduce planning time while building confident, well-prepared students for **Paper 1 – Atomic Structure and the Periodic Table**. Includes **free AI long-answer feedback** – students can submit extended-response questions online and receive instant, AQA-aligned WWW/EBI feedback to improve structure, reasoning and clarity. --- ## What’s Included * Six complete lessons (editable PowerPoints, worksheets and answer keys) * End-of-topic assessment with mark scheme * Retrieval starters and low-stakes quizzes for every lesson * AfL checkpoints and differentiated challenge tasks * Homework and revision activities * Comprehensive teacher answer keys All resources are fully editable and ready to teach. --- ## Lessons Included **C2.1 – Development of the Periodic Table** (Free sample lesson) **C2.2 – Electronic Structure and the Periodic Table** **C2.3 – Group 1: The Alkali Metals** **C2.4 – Group 7: The Halogens** **C2.5 – Explaining Trends** **C2.6 – The Transition Elements** --- ## Why Teachers Choose This Bundle * Fully aligned with the AQA specification (8462 / 8464) * No-prep, ready-to-teach lessons * Differentiated for Foundation and Higher tiers * Strong exam focus with structured reasoning and calculation practice * Ideal for departmental standardisation and curriculum mapping * Supports AI-enhanced feedback for improving extended answers --- ## Suitable For * GCSE Chemistry Paper 1 * AQA Combined Science Trilogy * Classroom teaching, revision or catch-up lessons * Cover lessons and department resource banks --- ## Format PPTX slides | DOCX / PDF worksheets | Fully editable | Print-friendly --- ## TES Tags AQA Chemistry, C2 The Periodic Table, Mendeleev, Group 1 Alkali Metals, Group 7 Halogens, Transition Elements, Explaining Trends, Electronic Structure, GCSE Chemistry, KS4 Science, AQA 9-1, Chemistry Bundle, AI Marking

£9.99

Reviews

5

Something went wrong, please try again later.

rwbacomputing

9 months ago
5

yeh good ta

NonSpecilist111

9 months ago
5

Loved it- thanks a lot.

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