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Radon is one of the noble (inert gases), is radioactive (half-life of about 4 days, decaying to polonium), and is naturally occurring in relatively small quantities. Whether or not it is the heaviest of this group, I am not sure...perhaps someone else can verify.

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15y ago

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Radon in the UK?

In some places Yes. Radon is a colourless, odourless radioactive gas formed by the radioactive decay of the small amounts of uranium that occur naturally in all rocks and soils. Therefore it is fair to assume its in most places worldwide


Which inert gas is radioactive?

Radon is the only naturally occurring radioactive inert gas. Its most stable isotope, radon-222, decays through alpha particle emission. It is produced as a decay product of uranium and thorium in the Earth's crust.


What is the most harmful isotope of Radon?

Radon-222 is the most harmful isotope of radon. It is radioactive and decays into other radioactive elements called radon progeny, which can attach to dust particles and be inhaled, increasing the risk of lung cancer.


Is there radon in microwave ovens?

No, radon is a naturally occurring radioactive element present in materials containing uranium and thorium (both of which are also radioactive). The most likely source of radon in a building is granite, either in the bedrock underground, in granite countertops and tabletops, granite fireplaces, etc. A microwave cooker is made of metal and plastics and contains no radioactive materials.


Do radioactive elements have ions?

Most of them do. Radon probably does not.


What ore does radon come from?

Radon is released from any substance containing traces of uranium or radium. These substances, which include most rock and soil, are found worldwide. Radon gas is released by the emissiom of alpha particles from these radioactive substances.


What is the greatest noble gas?

It depends on what you mean by great. If you mean most massive, then radon has the biggest naturally occurring ones. ( However element 118 has been made artificially). If you mean the most common, then it is argon.


Is carbon dioxide the most heaviest gas?

There are other gasses that are heavier (denser). The MOST dense gas is a rare highly corrosive gas known as tungsten hexafluoride. A more common gas, Radon, is about 5 times heavier than CO2. It is radioactive, though.


What element is most like radon gas?

Xenon gas even though it is not radioactive.


What is the heaviest Alkaline-earth metal?

The heaviest alkaline-earth metal is radium. Radium is a highly radioactive element and is the heaviest and most unstable of the alkaline-earth metals.


Is radon 222 an indoor particle?

Radon-222 is a radioactive gas that is a natural byproduct of the decay of uranium in soil and rocks. It can seep into buildings through cracks in foundations and accumulate indoors. While not a particle itself, radon-222 can decay into solid radioactive particles called radon progeny, which can pose health risks when inhaled.


Is radioactive atoms the same as the sun?

No. The sun is made up of a ball of gases, and the only radioactive gas we know of is Radon. Also, most radioactive elements are man-made.