Phase 5: Construction Administration. Finally, once you have selected a contractor and construction is under way, we move into the fifth phase of the architectural design process â construction administration.
The neutron is a subatomic particle, symbol n or n0 , with no net electric charge and a mass slightly larger than that of a proton. Protons and neutrons constitute the nuclei of atoms.
An atom is a nucleus with bound electrons, and an isotope is a way to distinguish between different types of nuclei. Here's a picture to show you what I mean. source I'll assume you've heard of electrons, protons, and neutrons.