- The following is an archived discussion of the DYK nomination of the article below. Please do not modify this page. Subsequent comments should be made on the appropriate discussion page (such as this nomination's talk page, the article's talk page or Wikipedia talk:Did you know), unless there is consensus to re-open the discussion at this page. No further edits should be made to this page.
The result was: promoted by Cwmhiraeth (talk) 07:36, 8 March 2019 (UTC)
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Radon-222 edit
... that the name of the chemical element radon was originally the name of its most stable isotope?ALT1:... that IUPAC adopted the historic name of the isotope radon-222 as the official name of the element radon?- ALT2:... that radiation from radon-222 and its decay products is the second-leading cause of lung cancer in the United States after cigarette smoking?
- Reviewed: African humid period
Converted from a redirect by ComplexRational (talk). Self-nominated at 21:25, 22 February 2019 (UTC).
New enough, long enough, QPQ done, within policy. I have a preference for ALT2 as the most general-interest hook. Onceinawhile (talk) 22:45, 24 February 2019 (UTC)
