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

11th Class Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति

  • question_answer 64)
      In the following questions two or more options may be correct. Which of the following elements can show covalency greater than 4? (a) Be                                    (b) P                                      (c) S                                       (d) B

    Answer:

      (b, c) Elements of 3rd period such as ?P' and 'S' having vacant d-orbitals can show covalency more than 4.


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