ch42-p010 - can also be inferred from the Molar Mass values...

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10. (a) The atomic number Z = 39 corresponds to the element yttrium (see Appendix F and/or Appendix G). (b) The atomic number Z = 53 corresponds to iodine. (c) A detailed listing of stable nuclides (such as the website http://nucleardata. nuclear.lu.se/nucleardata) shows that the stable isotope of yttrium has 50 neutrons (this
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Unformatted text preview: can also be inferred from the Molar Mass values listed in Appendix F). (d) Similarly, the stable isotope of iodine has 74 neutrons (e) The number of neutrons left over is 235 127 89 = 19....
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