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 the smallest possible particle of a chemical element consisting pr protons, electrons and (usually) neutrons. An isotope is one variant of an element with a given â¦ number of neutrons. Different isotopes of an element have different numbers of neutrons.