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10th Class Science Periodic Classification of Elements Question Bank Periodic Classification of Elements

  • question_answer
    According to Newland's law of octaves, which element is the repetition of the first element in the periodic table?                                       

    A) Oxygen                              

    B) Nitrogen                            

    C) Chlorine                             

    D) Sulphur

    Correct Answer: A

    Solution :

    The first element is hydrogen and the eighth element is oxygen as per the law of octaves in the periodic table.


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