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

  • question_answer
    What would be IUPAC names and symbols for elements with atomic numbers 122, 127, 135, 149 and 150?

    Answer:

                    From the Table 3.6, page 3/11, the roots for 2, 7, 5, 9 and 0 are bi sept, pent, enn and nil respectively. Therefore, their names and symbols are : Z              Name                                    Symbol 122         Unbibium                                Ubb 127         Unbiseptium                           Ubs 135        Untripentium                            Utp 149         Unquadennium                      Uqe 150         Unpetnilium                            Upn


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