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    Chemistry A-Level

    Formation of 1⁻ ions

    What Formation of 1⁻ ions means in Chemistry A-Level, as defined for OCR.

    Definition of Formation of 1⁻ ions

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    Reference: OCR

    A halogen atom gains an electron into its outer shell, and the ease of this gain depends on the attraction between the incoming electron and the nucleus.
    OCR · The halogens

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