It comes from the breakdown of uranium.
Check out www.epa.gov/radon/pubs/citguide.html, that is the official government website for radon testing and a citizen's guide to find the right place to get it done.
We can find radon as a non metal element. Atomic number of it is 86.
Find it in a book!
You can find one at Radon Zone, they are reasonably priced and they offer free shipping.
Radon is a radioactive chemical element that is created through the natural radioactive decay of uranium. Since uranium occurs naturally throughout our planet, we also find radon naturally.
Yes, before and during an earthquake radon is released; but also some other gases are released, for example helium or methane.
There are no elements in Radon, Radon is an element in its own right.
Radon is a gas, possible to be in buildings. Radon 222 is an isotope of radon, the most common.
Radon.
Radon is a non-corrosive gas.
The Pro Series II Electronic Radon Monitor is a good choice, you can find it online for around $120.
Radon. Cannot find any Russian word rodon (родон). If from a badly translated instruction manual then probably radon (радон)