Question

Which part of an atom participates in the reaction shown below?

+ n →
+
+ 2n
Responses
A NucleiNuclei
B ProtonsProtons
C Valence electronsValence electrons
D Inner shell electrons

Answer 1

In the reaction you provided, it shows a neutron (n) interacting with a nucleus to produce other particles along with additional neutrons. The part of the atom that participates in this type of nuclear reaction is the **nucleus** of the atom.

Therefore, the correct answer is:

**A Nuclei**