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  5. Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति

Railways General Science & Technology Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Sample Paper Classification of Elements and Periodicity in Properties Sample Test Paper-15

  • question_answer
    The long form of Periodic Table is based on

    A)  Electro negativity

    B)  mass of the atom

    C)  Shape of the atom        

    D)  atomic number

    Correct Answer:


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