Banking Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Classification of Elements and Periodicity in Properties

  • question_answer
    Newlands could classify elements only up to

    A) copper

    B) chlorine

    C) calcium               

    D)         chromium

    Correct Answer: C


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