Apotropaic_Sphinx t1_jcb5i4y wrote
Reply to comment by Bbrhuft in Radon is a monatomic gas, but its decay products are solids. After a decay, what happens to the individual atoms of the daughter elements? Do they stay suspended in the atmosphere or slowly rain out? by foodtower
Yeah, my furnace filter gets slightly radioactive after a few months. Very minor but it’s detectable above background level.
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