CHAPTER 03 · STUDENT SPACE

Atoms and Elements

Review the essentials and check your understanding after your teacher’s explanation.

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Atoms and elements

Distinguish an element from a compound and describe the structure of an atom.

Proton number and isotopes

Use atomic symbols to count particles and recognise isotopes.

Isotopes and relative atomic mass

Explain isotope chemistry and calculate a weighted relative atomic mass.

Electron shells and ions

Write electronic configurations for atoms and ions of the first 20 elements.

Patterns in the Periodic Table

Connect electronic configuration with group, period and general properties.

Printable worksheets

Guided worksheet

3 lessons with teacher modelling, partner checks and hint-card references.

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Printable hint cards

Use a card when you need a starting step, then return to the question. Chapter 3 cards are on pages 4 of the collection. Each printable page contains three cards.

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