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Only if the home were built before 1978 buyers are advised to have listed homes tested for radon

What is radon?

Radon is an atomic number 86 chemical element with the symbol Rn. It is a radioactive noble gas that is colorless, odorless, and tasteless.

Radon is a radioactive gas that occurs naturally when radioactive elements such as uranium, thorium, or radium degrade in rocks, soil, and groundwater. Radon exposure occurs mostly from breathing radon in air that enters through cracks and crevices in buildings and residences.

Radon is an odorless, colorless gas. It is radioactive yet chemically inert. Radon decays into polonium and alpha particles, which are radioactive. The radiation emitted by radon made it beneficial in cancer therapy.

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