Question

where is a neutron located within the atom? in the proton cloud in the nucleus in the electron cloud

Explanation:

An atom consists of a nucleus (containing protons and neutrons) and an electron cloud (where electrons are located). Protons are in the nucleus, not in a "proton cloud." Electrons are in the electron cloud. Neutrons, along with protons, are part of the nucleus.

Answer:

in the nucleus