QUCSHO\" 1 Use the following information to answer the next three questions. hot yet answered Marked out of Ln a number of nuclear power stations, the reaction material is Uranium 235. The :3 U 1-00 will spontaneously decay to produce Thorium 231 plus at least one other particle. The '-:.-' F=ag question half~life of '23 U is 7.0 x 101; years. One oftrse other particles that is produced during the decay process must be Select one: Q a. A proton O b. An alpha particle O c. An electron C} d. A neutron ques'ic'\" 2 How long would it take 10.0 g of EU to decay to 1.25 g in a nuclear reactor? hotyet answered Select one: Marked out of ms 0 a. 1.8x103y \\I_- Fiag question 0 b. 99 X10\": 3" c:- c. 1.4\"on C) d. 2.1x109y Question 3 - 235 - _ - m yet The fission of '32 U W111 release 200 MeV of energy per atom. This energy is answered 1131316121 t0 the Marked out of 1.00 Select one: '-" Fag $455an 0 a. initial kinetic energy otthe initiating neutron O b. Mass defect ofthe nucleus 0 c. Conversion of a nucleon to energy 0 d. Formation of beta radiation Question 4 Not yet answered Marked out of 1.00 'i" Hag question The halflife of 2:112; is 1.62 \"0%. If 2.04 mg of radium were present the mass of radium remaining atter4.86 x103 5! would be, expressed in scientic notation, in x 10"\" mg. The value ofb, to three signicant gures. is Question 5 A theoretical isotope with an atomic number of Z undergoes the following decay series: alpha, alpha, beta negative, Not yet alpha, and beta positive. What is the atomic number of the resulting nucleus? answered Marked out of Select one: 1.00 O a. Z+ 1 Flag question O b. Z - 4 O c. Z-6 O d. Z - 1