The first experiment that converted one element to another was performed in 1919 by Ernest Rutherford.An isotope of nitrogen was bombarded with a type of particle to get an oxygen atom as shown:
N + ? → O + H
Which type of particle was used to bombard the nitrogen atom?

Question

The first experiment that converted one element to another was performed in 1919 by Ernest Rutherford.An isotope of nitrogen was bombarded with a type of particle to get an oxygen atom as shown: 
 N + ? →  O +  H 
Which type of particle was used to bombard the nitrogen atom?

Quizplus · Accepted Answer

Alpha particles, which are helium nuclei, were used to bombard the nitrogen atom. This is because alpha particles have a large mass and positive charge, which makes them more likely to interact with and penetrate the nucleus of the nitrogen atom, causing a nuclear reaction.

The First Experiment That Converted One Element to Another Was