Element
radon
ra·don [ rey-don ]
Subclass of:
Elements, Radioactive;
Noble Gases
Definitions related to radon:
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A naturally radioactive element with atomic symbol Rn, and atomic number 86. It is a member of the noble gas family found in soil, and is released during the decay of RADIUM.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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A radioactive gas that is released by uranium, a substance found in soil and rock. Breathing in too much radon can damage lung cells and lead to lung cancer.NCI Dictionary of Cancer TermsU.S. National Cancer Institute, 2021
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An element with atomic symbol Rn, atomic number 86, and 222.0.NCI ThesaurusU.S. National Cancer Institute, 2021
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Naturally radioactive element with atomic symbol Rn, atomic number 86, and atomic weight 222; a member of the noble gas family, released during the decay of radium and found in soil; there is a link between exposure to radon and lung cancer.CRISP ThesaurusNational Institutes of Health, 2006
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You can't see radon. And you can't smell it or taste it. But it may be a problem in your home. Radon comes from the natural breakdown of uranium in soil, rock, and water. Radon is the second leading cause of lung cancer in the United States. There are low levels of radon outdoors. Indoors, there can be high levels. Radon can enter homes and buildings through cracks in floors, walls, or foundations. Radon can also be in your water, especially well water. Testing is the only way to know if your home has elevated radon levels. It is inexpensive and easy. You can buy a test kit at most hardware stores or hire someone to do a test. Radon reduction systems can bring the amount of radon down to a safe level. The cost depends on the size and design of your home.MedlinePlusU.S. National Library of Medicine, 2021
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