A powerpoint to introduce KS3 chemistry students to determining the chemical formulae of covalent compounds. Typically to be used in a 1 hour lesson.
Includes a detailed explanation of combining power and the crossover rule to determine the chemical formulae, as well as lots of examples and practice questions.
Also includes a worksheet to practise determining the formulae of both ionic and covalent compounds to consolidate learning. Answers also included.
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£1.00