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.
Radon systems save lives and when you include the extra benefits of dehumidification and saving electricity; it is a no brainer to have one installed in your home now. Homes today are usually tested for radon gas as well as for the presence of mold during the inspection process of a real estate transaction. If test results show high levels of radon gas in the home, or evidence of a mold problem, the Seller almost always pays to install the mitigation system and fix the mold issue.