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Radium-226 Decays into Radon-222 Plus an Alpha Particle 24{}^{4}_{2} He: 4002603 U

Question 154

Multiple Choice

Radium-226 decays into radon-222 plus an alpha particle.The relevant masses are 24{}^{4}_{2} He: 4.002603 u 86222{}^ { 222 }_ { 86 } Rn: 222.017570 u 88226Ra^{226}_{88} Ra : 226.025402 u How much energy is released in this process? (1 u = 931.5 MeV/c2)


A) 4.24 MeV
B) 3.76 MeV
C) 4.87 MeV
D) 5.05 MeV
E) 5.39 MeV

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