Skip to content
    Chemistry A-Level

    Polarisability and number of electrons

    What Polarisability and number of electrons means in Chemistry A-Level, as defined for OCR.

    Definition of Polarisability and number of electrons

    Check what you remember

    Read the wording for your board, then hide it and explain Polarisability and number of electrons in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: OCR

    As the molecules get larger down the group they have more electrons and a larger, more polarisable electron cloud, so the induced dipoles are stronger.
    OCR · The halogens

    Topics that use Polarisability and number of electrons

    Related terms

    Using Polarisability and number of electrons in the exam

    Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

    Practise Chemistry questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Chemistry A-Level terms