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Chemical formulae, equations and calculations
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Equations, balancing and state symbols

Equations, balancing and state symbols

A word equation names the substances in a reaction, while a symbol equation uses chemical formulae. A balanced equation has the same number of each type of atom on both sides because atoms are rearranged, not created or destroyed.

Chemical formulae, equations and calculations Lesson

  1. IGCSE
  2. /Chemistry
  3. /Chemical formulae, equations and calculations

Step-by-step lessons covering Edexcel IGCSE Chemistry Chemical formulae, equations and calculations for IGCSE Chemistry. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Build a solid grasp of atomic structure, bonding and the mole concept early, since these underpin almost every other topic, then move on to the more calculation-heavy quantitative and organic chemistry content.