Ionic substances in solution

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  • Ionic substances in solution
    • Many ionic substances dissolve in water without difficulty.
    • As they dissolve, the ions become surrounded by water molecules and they spead throughout the solution.
    • The hydrated ions are randomly arranged and behave independently.
    • Water surrounds ions in the way that it does because it is a polar molecule with a bent shape.
    • The positive hydrogen atoms in water are attracted to negative ions.
    • Water molecules surround positive ions with the oxygen atoms pointing inwards.
    • Each ion is surrounded by its own sphere of water molecules- this process is known as hydration.

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