Best Answer: Hi! I signed up for the class and I will take it next year. (I'll be a sophomore next year). Bot of my older brothers took it so I know a lot about it. Because the prerequisites for the course are: Chemistry, Biology and Algebra 2 and geometry, the course includes a lot from these. The AP test is hard.
Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive, colorless, odorless, tasteless noble gas, occurring naturally as a decay product of radium. Its most stable isotope, 222Rn, has a half-life of 3.8 days.Radon is one of the densest substances that remains a gas under normal conditions.adon is produced by the radioactive decay of radium-226, which is found in uranium ores, phosphate rock, shales, igneous and metamorphic rocks such as granite, gneiss, and schist, and to a lesser degree, in common rocks such as limestone.
Long Term Radon Test Kits. Long term radon test kits run from 90 days to one year. Since radon levels can fluctuate significantly from day to day, a long term test is required if you wish to know the true average levels.f your water comes from a well and your air radon levels are elevated, it is advisable to conduct a radon water test. View Products. Radon Gas Detectors. The radon detector provides the home owner with a simple and cost effective way to monitor radon levels on an ongoing basis.