stable element


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stable element

Etymology: L, stabilis, firm, elementum
a nonradioactive element, one not subject to spontaneous nuclear degeneration. Some kinds of stable elements are calcium, iron, lead, potassium, and sodium. Compare radioactive element. See also element.
References in periodicals archive ?
Early models suggested element 114 could be such a stable element.
The trade-off is not likely to be in length of stay, a traditionally stable element of the Florida vacation.
In the Periodic Table the last, practically stable element is bismuth, Z = 83.
To stimulate a cascade in this stable element, he has to "activate" it with the appropriate low-energy X-rays.
Group insurance operations continue to be a stable element of AET's operating performance in 2003 and 2004, with approximately $140 million expected to be earned after-tax in 2003.
Kuwait will not find stronger and more stable elements than its growing oil wealth that will survive for hundreds of years.
Your leachate then dislodges the least stable elements, which by happy coincidence are also the most valuable: everything from copper and gold to manganese, silver and zinc.
Meanwhile, the lighter more stable elements cluster around the opposite end of the table grouped beneath Optimism (Op).
In the nuclear process, mildly radioactive uranium is taken from the ground and bombarded by neutrons--and that part of the uranium which can split (is "fissile") Uranium-235, is transformed into radioactive twins of safe and stable elements in nature: There are hundreds of these "fission products.
66 (the upper limit of elements in Mendeleev's Table of Elements behind which stable elements cannot exist).