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Secondary 4 · Science · Chemical sciences

The periodic table

Students explain how the periodic table is organised by atomic number and electron arrangement, and use groups and periods to predict properties.

Awaiting educator review. This material was drafted by our content team with AI assistance and is waiting for review by a qualified educator. Please check it suits your child before using it. Created 10 October 2026. How we review

These lessons were written around Australian Curriculum strands and matched to Singapore levels by age (Primary 1 is the first year of primary school). They are not aligned to MOE syllabuses or the PSLE, so check them against the syllabus your child is working towards.

This topic is currently an outline — a full lesson with worked examples and practice questions is on our list. In the meantime you can build a lesson plan template for it, or find related worksheets.

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