Which of the following nuclear equations correctly describes alpha emission?
A) U → Th + He
B) U → U + He
C) U → Pu + He
D) U → He
E)none of the above

Question

Which of the following nuclear equations correctly describes alpha emission?
A) U → Th + He 
B) U → U + He 
C) U → Pu + He 
D) U → He 
E)none of the above

Quizplus · Accepted Answer

Alpha emission occurs when a nucleus emits an alpha particle, which consists of two protons and two neutrons. Option A correctly shows the decay of Uranium-235 into Thorium-231 by emitting an alpha particle (Helium-4).

Which of the Following Nuclear Equations Correctly Describes Alpha Emission