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Gold-198 (198 Au) is a radioactive isotope of gold. It undergoes beta decay to stable 198 Hg with a half-life of 2.69464 days. The decay properties of 198 Au have led to widespread interest in its potential use in radiotherapy for cancer treatments. This isotope has also found use in nuclear weapons research and as a radioactive tracer in ...
Gold is currently considered the heaviest monoisotopic element. Bismuth formerly held that distinction until alpha-decay of the 209 Bi isotope was observed. All isotopes of gold are either radioactive or, in the case of 197 Au, observationally stable, meaning that 197 Au is predicted to be radioactive but no actual decay has been observed. [4]
This page lists radioactive nuclides by their half-life.
Such transmutation is possible in particle accelerators or nuclear reactors, although the production cost is estimated to be a trillion times the market price of gold. Since there is only one stable gold isotope, 197 Au, nuclear reactions must create this isotope in order to produce usable gold.
Ivanka Trump wore diamond jewelry with a total value of $1.1 million at Donald Trump's inauguration. She wore the jewelry with gowns designed by Oscar de la Renta and Givenchy.
Radioactive isotopes that have been suggested for salted bombs include gold-198, tantalum-182, zinc-65, and cobalt-60. [1] Sodium-23, the only stable isotope, has also been proposed as a casing for a salted bomb. Neutron flux would activate it to 24 Na, which would produce intense gamma-ray emissions for several days after the detonation.
Enjoy a classic game of Hearts and watch out for the Queen of Spades!
It was a wonderful day at Paris Fashion Week for Lynda Carter, who brought her lookalike daughter, Jessica Carter Altman, along for the Schiaparelli Haute Couture show.. On Jan. 27, the mother ...