the periodic table

The Periodic Table of Elements

In this topic Key stage 3 learners will understand the chemical reaction that occurs as a result of mixing acids and alkalis.

Target Age:

Lesson Overview

By the end of this unit, students will be able to:

  • learn about the periodic table and its history;
  • identify elements using their symbols in the periodic table;
  • explain why the periodic table has its current structure;
  • evaluate the different methods of arranging elements.

Curriculum Alignment: KS3 Science: The Periodic Table

  • learn about:
    • the varying physical and chemical properties of different elements
    • the principles underpinning the Mendeleev periodic table
    • the periodic table: periods and groups; metals and non-metals
    • how patterns in reactions can be predicted with reference to the periodic table
    • the properties of metals and non-metals
    • the chemical properties of metal and non-metal oxides with respect to acidity

    Last updated on: February 21, 2026

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