The nucleus loses an alpha particle, which takes two protons and two neutrons out of the nucleus. This reduces the isotope number by four, and the atomic number by two. An exa â¦ mple is the alpha decay of thorium-232 (atomic number 90) to radium-228 (atomic number 88).
A raze permit is authorization for complete demolition of a building or structure. A raze permit may also be required if most of a building is to be demolished. HPO clearance of raze applications safeguards against demolition of historic properties by accident or without proper public notice.
A building permit is required to ensure that the project you are constructing conforms to the minimum standards of the Chicago Building Code. These standards are intended to protect the integrity of the buildings, the welfare of the public and your safety. There are a series of repair permits that do not require a Building Permit. See list of projects that do not require Building Permits. For small and simple home and building improvement projects, including replace and repair projects that do not require architectural plans, you may use the Easy Permit Process.