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  1. www.aqa.org.uk › subjects › scienceScience | GCSE - AQA

    That’s why we have a suite of science qualifications for Key Stage 4 – to suit students of all abilities and all aspirations. The subject content and required practicals in this specification are also in our GCSE Biology, Chemistry and Physics.

  2. Learn about and revise chemical symbols and formulae and word equations with this BBC Bitesize GCSE Combined Science (AQA) study guide.

  3. What's assessed. Chemistry topics 13–17: The rate and extent of chemical change; Organic chemistry; Chemical analysis; Chemistry of the atmosphere; and Using resources. Questions in Paper 2 may draw on fundamental concepts and principles from Sections 5.1 to 5.3. How it's assessed. Written exam: 1 hour 15 minutes.

  4. Learn about and revise chemical symbols and formulae and word equations with this BBC Bitesize GCSE Chemistry (AQA) study guide.

  5. www.aqa.org.uk › subjects › scienceGCSE Science - AQA

    The subject content is split into three sections for each of the subject areas: biology, chemistry and physics. The left hand column contains the subject content that all students must cover, and that can be assessed in the written papers.

  6. Jun 9, 2024 · Empirical formula. Empirical formula is the simplest whole number ratio of the elements present in one molecule or formula unit of the compound; It is calculated from knowledge of the ratio of masses of each element in the compound; The empirical formula can be found by determining the mass of each element present in a sample of the compound

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  8. Energy and Efficiency. useful energy (or power) output. efficiency = total energy (or power) input. U =. Q At ∆T. Insert for Applied General Science (TVQ01028, TVQ01029) formulae For use in exams from the January 2017 Series onwards v3.

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