Write out the products of α-particle decay of the Thorium nucleus below.
234Th------------>
90
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Write out the products of α-particle decay of the Thorium nucleus below. 234Th------------> 90
A thorium-234 (230-90 Th) nucleus undergoes a beta decay in which an electron and anti-neutrino are emitted. What is the final nucleus that is created? Use both ways of symbolizing the nucleus, as done above for thorium -234, 230-90 Th.
A uranium-238 nucleus at rest undergoes radioactive decay, splitting into an alpha particle (helium nucleus) with mass 6.64×10-27 kg and a thorium nucleus with mass 3.89×10-25 kg. The measured kinetic energy of the alpha particle is 4.49×10-13 J. After the decay, what is the magnitude of the momentum of the thorium nucleus? Incorrect. Tries 1/20 Previous Tries After the decay, what is the kinetic energy of the thorium nucleus? 7.664×10-15 J You are correct. Your receipt no. is 158-4017
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
(1 point) A Uranium-238 nucleus (U-238) decays to a Thorium-234 (Th234) by emitting an alpha particle (i.e. a Helium-4 nucleus): 1,228 +Th%d4 + He A Uranium nucleus has 92 protons in it while a Helium nucleus has 2 protons. The mass of a Helium nucleus is 6.645 x 10-27 kg. For this problem assume that the Uranium nucleus is initially at rest and the Thorium nucleus remains at rest after the decay. If the alpha particle is initially at rest...
A uranium nucleus (mass 238 u), initially at rest, undergoes a radioactive decay. After an alpha particle ( mass 4.0 u) is emitted, the remaining nucleus is thorium (mass 234 u). If the alpha particle is moving at 0.050 times the speed of light, what is the recoil speed of the thorium nucleus?
A uranium nucleus (238U) moves along the positive ?-axis with speed ? = 5.0 × 105 m/s when it decays 92 ? into an ?-particle (4He, helium nucleus) and a thorium nucleus (234Th). If 4He moves off at an angle of 2 902 20.2° above the ?-axis with a speed ??? = 1.4 × 107 m/s, you will determine what is the recoil velocity, ? , of 234Th and the angle below the ?-axis. Assume the uranium-thorium-alpha system is isolated...
8. A. Calculate the amount of radioactive material left of a 255g sample, after 30 days, whose life is 6 days (12 pts) B. Write out the products of a particle decay of the Thorium nucleus below. 234 Th 90 C. True or False. In a nuclear reaction changes occur in the nucleus of the atom only.
Thorium (with half-life T1/2 = 1.913 yr. and atomic mass 228.0287 u) undergoes alpha decay and produces radium (atomic mass 224.0202 u) as a daughter nucleus. (Assume the alpha particle has atomic mass 4.002603 u.) 1) What is the decay constant of thorium? (Note that the answer must be in units of hrs-1.) λ = 2) What percent of thorium is left after 200 days? 3) The energy released from the decay of 10 g of thorium is used to...
What is the total charge of the thorium nucleus? (The neutral thorium atom has 90 electrons.) 1.44x10-17 С You are correct. Previous Tries What is the magnitude of its electric field at a distance of 3.68x10-10 m from the nucleus? 9.56×1011 N/C You are correct. Previous Tries What is the magnitude of the force on an electron at that distance? 1.53x107 N You are correct. Previous Tries What would the magnitude of the force be if the distance of the...
4. Thorium-225 undergoes alpha decay. Write the nuclear equation for this.