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nielsbohrium

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.01 sec.
nielsbohrium (nēlzbôr`ēəm), symbol Ns, former suggested name for both element 105, now called dubnium dubnium , artificially produced radioactive chemical element; symbol Db; at. no. 105; mass number of most stable isotope 262; m.p., b.p., and sp. gr. unknown; valence +5.
..... Click the link for more information. , and element 107, now called bohrium bohrium , artificially produced radioactive chemical element; symbol Bh; at. no. 107; mass number of most stable isotope 262; m.p., b.p., sp. gr., and valence unknown.
..... Click the link for more information. .
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researchers and nielsbohrium by the Soviets,) at the outer reaches of the periodic table, is one of the more reluctant elements when it comes to revealing its chemical properties.
Chemistry at periodic table's edge by Science News
 
 
 
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