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    Chemistry A-Level

    Formation of 2⁺ ions

    What Formation of 2⁺ ions means in Chemistry A-Level, as defined for OCR.

    Definitions of Formation of 2⁺ ions

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    Reference: OCR

    Lower ionisation energies mean easier removal of two electrons to form a 2⁺ ion, making the metal more reactive down the group.
    OCR · Group 2
    The product of the loss of both outer s electrons is a 2⁺ cation, for example Mg²⁺ or Ca²⁺.
    OCR · Group 2

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