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What is berkelium?

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... berkelium [from Berkeley ], artificially produced radioactive chemical element; symbol Bk; at. no. 97; mass no. of most stable isotope 247; m.p. about 1,050°C; b.p. about 2,590°C; sp. gr. 14 (estimated); valence +3, +4.

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Chemistry at periodic table's edge. (element 105, dubbed hahnium, is observed)
Magazine article from: Science News ...Calif.) Laboratory recently produced it by bombarding berkelium-249 with oxygen-18 ions, they created only 47 hahnium...properties in solution. The technique involves collecting the berkelium reaction products on a microscope over slip and adding nitric...
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Magazine article from: Word Ways ...failed to produce any words using the same letter banks: berkelium, beryllium, bohrium, dubnium, hafnium, holmium, joliotium...some possibilities for plugging the gaps. Lumber-like (berkelium) can be found on various websites; the surname Belluomini...
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Magazine article from: Chemistry and Industry ...elements. He is now recognised as the co-discoverer of no less than ten of these elements: plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium and seaborgium. As a direct result of his discoveries, Seaborg...
It glows in the dark in more ways than one
Newspaper article from: The Independent - London ...predicted that many more man- made elements were waiting to be discovered. He and his co-workers later made some of these: berkelium in 1949, californium (1950), mendelevium (1955) and nobelium (1958). In 1994, Seaborg was immortalised when the...
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Newspaper article from: Knight Ridder/Tribune News Service ...fine dusting of fallout over the Earth. It also led to the discovery of a series of heavier elements _ americum, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium and now seaborgium. Seaborg shared the Nobel Prize in chemistry...
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