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The Terbium isotope found in nature (159Tb) is stable.

Like all elements, Terbium has radioisotopes, of which 33 have been created to date. 158Tb is the most stable of these, with a half-life of 180 years, 157Tb has a 71 year half-life. 160Tb has a half-life of 72.3 days.

Most of the remaining radioisotopes have half-lives that are less measured in seconds, although some have half lives that are measured in days.

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14y ago
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6mo ago

The half-life of Terbium-159 is approximately 85.9 days.

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Q: What is the half-life of Tb?
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