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HomePearson Edexcel International IGCSE ChemistryPrinciples of Chemistry
Pearson Edexcel International · IGCSE · Chemistry · Revision Notes

Principles of Chemistry

58 words · Last updated July 2026

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What you'll learn

The foundations of chemistry.

Key ideas

  • Atomic structure, isotopes, the periodic table.
  • Ionic and covalent bonding; separating mixtures; the mole.

Exam tips

  • Learn particle charges and masses.
  • Match separation methods to mixtures.

Common mistakes

  • Confusing atomic and mass number.
  • Mixing up ionic and covalent bonding.
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