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Perodic table

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Perodic table

    • Posted by Yash Saini 7 years, 11 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Harman Preet 7 years, 11 months ago

    Modern periodic table was given by Mendeleves. It is consist of 18 groups and 7 period. Till now 118 elements are discovered .

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