ns


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Ns,

formerly the suggested symbol for the name nielsbohrium, which was applied variously to two elements, now called bohriumbohrium
, artificially produced radioactive chemical element; symbol Bh; at. no. 107; mass number of most stable isotope 270; m.p., b.p., sp. gr., and valence unknown. Situated in Group 7 of the periodic table, it is expected to have properties similar to those of the rare metal
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 and dubniumdubnium
, artificially produced radioactive chemical element; symbol Db; at. no. 105; mass number of most stable isotope 268; m.p., b.p., and sp. gr. unknown; valence +5.
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ns

ns

(NanoSecond) See space/time.