A2. Radon is a decay product of Uranium, and is about 6 radioactive decay steps from U238. The Uranium occurs in some granite rocks, and as buildings are often made from this durable rock, Radon is generated from the building fabric. It is considered that exposure to Radon gas is second only to cigarettes as the cause of lung cancers in the US. Some unfortunate towns, such as Dundee, sit on the granite and build the houses of it, and this is a serious local problem. Basements and attics should have adequate ventilation to remove the gas.
It is not an abundant gas, and perhaps there are some tens of grams of Rn in the Earth's atmosphere. This eventually decays into lead, and is continuously replaced by new Rn from U decay.
Of course; the mean concentration of radon in the atmosphere is ca. 150 radon atoms/cm3 of air.
No, but it is dangerous to health because it is radioactive.
Radon is a gas, possible to be in buildings. Radon 222 is an isotope of radon, the most common.
Radon is a non-corrosive gas.
No. Radon is odorless.
Although the atomic mass number of radon is often given as 220, there are 39 isotopes and isomers of radon. The common isomers of radon are : radon-219, radon-220, and radon-222.
No alchemic symbol for radon; radon was discovered around 1900.
Radon is not abundant. Earth crust: 4.10-19 kg radon/kg of rocks Sea water: 4.10-22 kg radon/L of water
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.
Radon is NOT reactive.
No. Radon is odorless.
Although the atomic mass number of radon is often given as 220, there are 39 isotopes and isomers of radon. The common isomers of radon are : radon-219, radon-220, and radon-222.
No alchemic symbol for radon; radon was discovered around 1900.
Radon is odorless and poisonous.
Radon is a gas, no hardness.
Radon is a gas, no ductility.