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

  • question_answer
    The halogen (Group 17 elements)

    A)  have an electron configuration of a noble gas less seven electrons

    B)  are highly electro positive

    C)  show variable oxidation state of \[-1,+1,+3,+5\]and +7 in their various compounds  

    D)  forms a volatile, covalent hydrides HX in which the halogen (X) shows an oxidation  state of +1                             

    Correct Answer: C

    Solution :

    Not Available


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