228 Th emits an alpha particle to reduce to 224 Ra. Calculate the kinetic energy of the alpha particle emitted in the following decay: 228 Th → 224 Ra* + α 224 Ra* → 224 Ra + γ (217 keV). Atomic mass of 228 Th is 228.028726u, that of 224 Ra is 224.020196 u and that of is 4.00260 u.

Question

Philoid · Accepted Answer

Energy equation for the reaction ²²⁴Ra* → ²²⁴Ra + γ will be

Now for the first equation:

²²⁸Th → ²²⁴Ra* + α

K.E of α particle

228Th emits an alpha particle to reduce to 224Ra. Calculate the kinetic energy of the alpha particle emitted in the following decay:228Th → 224Ra* + α224Ra* → 224Ra + γ (217 keV).Atomic mass of 228Th is 228.028726u, that of 224Ra is 224.020196 u and that of is 4.00260 u.