Question

Converting uranium to thorium by decreasing the number of protons from 92 to 90 and decreasing the number of neutrons from 146 to 144 is an example of what type of decay?
A.alpha decayB.beta decayC.positron emissionD.electron capture

Answer 1

I think it will be beta decay

Answer 2

I think the above conversion is an example of A.) ALPHA DECAY.

In Alpha decay, nucleus releases an alpha particle, Helium. When the alpha particle is released the remaining nucleus weighs less due to the decrease in neutrons and protons have also decreased in number.