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Why hydrogen placed 1st group

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Why hydrogen placed 1st group

    • Posted by Paramjit Kumar 5 years, 10 months ago

    CBSE > Class 11 > Chemistry
    • 2 answers

    Avdhesh Singh 5 years, 10 months ago

    Because hydrogen electronic confurigation 1s ' when hydrogem have only 1 electron outer most shell and hydrogen placed 1st group

    0Thank You

    Tilak Raj 5 years, 10 months ago

    It has not been decided yet now that where to put hydrogen,it can put either in 1st or 17th group.since its chemical properties it is not put in 17th group...

    1Thank You

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