12) Photon interactions with atoms include __________________  

13) The following decay scheme is an example of (select all that apply)                            

10) Protons are incident to a nuclide for which it has been found that the reaction is endoergic. Which threshold(s) must be computed to determine whether the reaction is energetically possible (select all that apply)?

5) For the same energy, an alpha particle penetrates further into material than a beta particle.  

2) U-238 is an example fertile nuclide.  

Multiple Answer Questions: Select the best answers [plural] for following question.

Please read and answer completely the following questions. This is an open-book (hard copy), open-notes exam: you may use your calculator, hardcopy textbook, your own notes, your own homework solutions, and any handouts (e.g., lecture slides) from the instructor.  The points associated with each problem appear with the question (total=100).  You have 100 minutes to complete the examination plus 10 minutes to scan and upload your written solutions.  Once you close/submit the exam in Canvas, upload your work to the assignment link.   Please complete the first section (Questions 1–13) of the exam in Canvas. You will be completing and labeling your work/answers on your own paper for the second section (Questions 12–15). For those latter questions, you will scan and upload your handwritten solutions after you submit the exam just as done in the practice exam.   Use of the instructor’s homework and practice exam solutions is strictly prohibited.  Use of computer software, such as Excel, Matlab, Mathcad, is strictly prohibited.  Use of Internet resources, such as Google, is strictly prohibited.  Use of an electronic (e-book) version of the textbook is strictly prohibited.  You cannot use your phone until after you have hit SUBMIT on the exam and are ready to scan and upload your solutions.  

7) The Q value of radioactive decay is [options] zero. 

8) The unknown product (?) in the reaction below is _____________________.                         [Express your answer in the general form of X–A from Lecture 2.]                                              

HIV preferentially infects which cells?