How to pronounce“ultra stable”in English
IPA/ʌltræstɪbl/
Syllablesul·tra·sta·ble
Live Synchronized Subtitle
4:24
Well it's fairly simple, given enough time all radioactive elements would decay in to non radioactive forms.
Even ultra stable bismuth, with it's half life longer than the age of the universe.
But elements with short half lives are around because they were decayed in to by elements that recently decayed in to them.
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Definitions of “ultra stable”
adjective
Very stable.
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