Cambridge

Assessment at a glance

Cambridge AS (Advanced Subsidiary) Level of Chemistry can be either taken as a standalone certificate or carried forward to A Level certificate. The assessment consists of 3 externally-assessed papers, all of which are mandatory.

  • Multiple choice
  • 1 hour 15 minutes
  • 40 marks
  • 40 multiple-choice questions
  • Questions are based on the AS Level syllabus content
  • 31% of the AS Level
  • 15.5% of the A Level
  • AS Level Structured Questions
  • 1 hour 15 minutes
  • 60 marks
  • Structured questions
  • Questions are based on the AS Level syllabus content
  • 46% of the AS Level
  • 23% of the A Level
  • Advanced Practical Skills
  • 40 marks
  • Practical work and structured questions
  • Questions are based on the experimental skills in the Practical assessment section of the syllabus
  • 23% of the AS Level
  • 11.5% of the A Level
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