Uranium-238 Decays into Thorium-234 Plus an Alpha Particle ${}^{4}_{2}$ He: 4002603 U

question 40

Multiple Choice

Uranium-238 decays into thorium-234 plus an alpha particle.The known masses are ${}^{4}_{2}$ He: 4.002603 u $^{224}_{90} Th$ : 234.043583 u $^{238}_{92} U$ : 238.050786 u How much energy is released in this process? (1 u = 931.5 MeV/c²)

• A)4.28 MeV
• B)3.76 MeV
• C)3.18 MeV
• D)2.89 MeV
• E)5.05 MeV

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