Which of the reactions below correctly represents the alpha decay of thorium- 232? 232 Th 236...
9. ( 5 pts.) The radioisotope thorium-232, Th, undergoes alpha decay via 1st order reaction mechanism. The resultant isotope is: 23 232 Ra (a) (b) U (c) Ac (d) 232 91
Write the nuclear equation for the alpha decay of 23290Th. a)232 90Th → 0 +1 e + 232 89Ac b)4 2He + 232 90Th → 236 92U c)232 90Th → 4 2He + 228 88Ra d) 232 90Th → 0 -1 e + 232 91Pa
5. Complete the following radioactive decay series (need multiple reactions): a) Thorium-232 decays by alpha emission to form an element that decays by beta emission which forms another element that decays by beta emission to form Thorium-228. b) Uraniuim-235 decays by alpha emission to form an element that decays by beta emission to form another element that decays by alpha cmission to form Actinum-227.
1. Write balanced nuclear equations for the following. [10] a. Thorium-232 undergoing alpha decay b. The production of manganese-52 through positron emission c, Sodium-26 undergoing ?-decay d. The formation of bismuth-203 through a decay e. The formation of 81Kr through electron capture
222 Which of the following equations correctly represents alpha decay of Rn? 86 222 Rn 222 Fr + '18 86 87 226 88 86 222 Rn + He Ra 220 Pb + He o 222 Rn 86 82 222 Rn 218 Po + He 86 84 222 Rn At + 41B 86 85
QUESTION 4 Write the balanced nuclear reaction for the decay of uranium-238 to thorium-234. ОА. 23 U 233Th+RY OB. 92 23 90 Ос. 234 92 Soth + - B D. 238 92 2320 233 Th+ 38 O E. 2320 234Th + ja OF. 2320 - 236Th + is OG 238 92 > 238Th + ia OH. - 234Th + ZY
Alpha decay is the emission of alpha particles which are helium nuclei (each contains 2 protons and 2 neutrons) from nucleus. The equation below represents alpha decay of an isotope of neptunium (Np). 233 Np + + He Fill in the blank o 225Ac 245 AM 235 Pa QUESTION 36 The names of ionic compounds with the following formulas: AlCl3, Mg(NO3)2, Ba(OH)2. Na2SO4 are monoaluminum trichlorine, magnesium dinitrate, barium dihydroxide, disodium sulfate. aluminum chloride, magnesium nitrate, barium hydroxide, sodium sulfate...
Nuclear Reactions and Their Applications 1. Which one of the following is an incorrect representation of the indicated particle or nucleus? D) alpha particle: He B) neutron: E) proton: helium-3: He B positron: A) ip Rn? 3. Which one of the following equations correctly represents alpha decay of Rn → Po + He Rn Pb + He → Fr + B Rn + He Ra At + B C) Rn 4. Select the nuclide that completes the following nuclear reaction....
17. When francium 223 87 Fr undergoes alpha decay, what daughter nucleus is produced? 222 A) Rn 86 B) 233 Ra 88 C) 221 Ро 84 219 D) At 85 E) 221 At 85 18. When krypton 89 Kr undergoes betat decay, what daughter nucleus is produced? 36 89 85 88 89 B) Br C) Se D) Sr E) Rb 35 34 38 37 A) 88 Rb 37 236 19. Which one of the following occurs when Ra undergoes beta...
a) Radium-230 has a half-life of 93 hours. Which one of the following statements is true? a. After 186 hours have elapsed, 1/4 of the original amount remains. O b. After 186 hours have elapsed, 1/8 of the original amount remains c. After 186 hours have elapsed, all of the nuclide will have decayed. It is not possible to know exactly how much remains after 186 hours because the rate of decay depends d. on the initial amount. b) What...