Question 1 What is the diameter of the U nucleus? O 37.0 fm O 14.9 fm O 571 fm O 7.44 fm Question 2 What is the binding energy per nucleon for 238pu? Use this table for atomic masses of isotopes (under the column "Relative Atomic Mass," which gives the mass in atomic mass units u). O 10.7 MeV O 7.57 MeV O 1.80x103 MeV O 1.93 MeV Question 3 A 290. pg sample of the isotope " Zn is prepared. How much is left after 80.0 days? The half-life of Zn is 243 days. O 214 ug O 231 ug O 258 ug O 171 ug