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A-level practical endorsement and required practical activities key terms

Study A-level practical endorsement and required practical activities with curriculum-aligned Key Terms resources, practice links, and exam-focused support.

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key terms

Resource type

Topic

A-level practical endorsement and required practical activities

AqaA LevelChemistryPractical skills, mathematical requirements and assessment

Key terms

  • Rf value

    The retention factor, a ratio used in chromatography to express the distance traveled by a compound relative to the distance traveled by the solvent front.

  • Stationary phase

    The phase in chromatography that remains fixed in place while the mobile phase moves through it, allowing for separation of components.