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 ?
The "island" of unusually stable elements that is thought to extend beyond the current end of the periodic table.
The numbers 72, and 92 above, compare with the 81 stable elements in "real" chemistry.
ADJUSTING to a step-family, a child needs constant and calm reassurance, and stable elements which existed previously in their lives should be maintained.
It has been one of our most stable elements, allowing us something to build on.
It's phenomenal that our defence has been one of the most stable elements considering all the injuries we've had,'' he said.
Particle physicists had hailed 118's apparent creation as a breakthrough that would lead quickly to many additional stable elements beyond the far end of the periodic table.
But if a shortage caused by a lack of new mining projects drives up prices, then electronics manufacturers will start to substitute other more price stable elements in their products and the metal will lose its market share forever.
Finally, the designers claim that the fuel coatings will keep fission products isolated from the environment for a million years, long enough for all products to decay into stable elements.
Harvey is surely correct in his analysis that the investment in a transport terminal is so colossal that we must expect stations, airports and so on to be almost the only stable elements in a constantly shifting modern urbscape in which only quite a small proportion of the general fabric will remain (saved for aesthetic, historical or peculiar economic reasons).
New Federal legislation under consideration is attempting to facilitate an income mix, because if the rules state that as soon as a resident's income goes up they have to leave, "it creates a disincentive and you are losing the most stable elements of your tenancy who can be role models," said Schill.
Bailey is one of an estimated 200,000 people nationwide affected by Congress' vote, which has shaken many addicts who say the money - averaging $425 monthly - is one of the few stable elements in their lives.
Could perfectly stable elements also exist in the form of different isotopes?