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    HEY ,
    I 'm confused as to how a in acids the hydrogen is a H+ ion and in bases the hydroxide is OH - ion ? i get confused between when an electron is gained or lost and this concept .

    Thank you ,
    would appreciate the help
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    An acid can be defined as a proton donator and a base, a proton acceptor.

    Or, an acid can be defined as an electron acceptor and a base, an electron donator.

    In this sense, a base (not necessarily OH¯ could be anything with the ability to accept a H+ such as NH3, which has a lone pair of electrons) donates a pair of electrons to the H+ that has no electrons. This enables a neutral molecule to form where there is a dative covalent bond formed between the negative ion and H+.

    (i.e the base donates the electrons to the bond with the hydrogen)
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