Question

    Mendeleev’s Periodic Law states

    that:
    A the properties of elements are the periodic function of their atomic masses Correct Answer Incorrect Answer
    B the properties of elements are the periodic function of their atomic numbers Correct Answer Incorrect Answer
    C the properties of elements are the periodic function of their colour Correct Answer Incorrect Answer
    D the properties of elements are the periodic function of their magnetic properties Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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