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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
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Zirconium-93 entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-09-21 and was most recently seen on 2026-09-21.
Naturally occurring zirconium (40Zr) is composed of four stable isotopes (one, 94Zr, may in the future be found radioactive), and one very long-lived radioisotope (96Zr), a primordial nuclide that decays via double beta decay with an observed partial half-life of 2.34 × 1019 years; it can also undergo single beta decay, with a partial half-life of [2.27+0.53−0.36 (stat) ± 0.27 (syst)] × 1020 years. The second most stable radioisotope is 93Zr, which has a half-life of 1.61 million years. Thirty other radioisotopes have been observed from 77Zr to 114Zr; all have half-lives less than a day except for 95Zr (64.032 days), 88Zr (83.4 days), and 89Zr (78.36 hours). The most stable of the isomeric states is just 4.16 minutes for 89mZr.
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