An atom that has 84 protons and 86 neutrons undergoes a reaction. At the end of the reaction, it has 82 protons and 84 neutrons. What happened to the atom?
Answer
A
It accepted radiation in a chemical reaction.
B
It donated neutrons to another atom in a chemical reaction.
C
It emitted an alpha particle in a nuclear reaction.
D
It released a beta particle in a nuclear reaction.