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dubnium
(Encyclopedia)dubnium do͞obˈnēəm [key], 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. Situated ...Db
(Encyclopedia)Db, symbol for the element dubnium. ...Jl
(Encyclopedia)Jl, formerly the suggested symbol for the element joliotium, now called dubnium. ...joliotium
(Encyclopedia)joliotium zhōlyōˈshēəm [key], symbol Jl, former suggested name for element 105, now called dubnium. ...Periodic Table of the Elements: Dubnium
(Encyclopedia)Periodic Table of the Elements: Dubnium ...Ha
(Encyclopedia)Ha, formerly the suggested symbol for the name hahnium, which was applied variously to two elements, now called dubnium and hassium. ...Ns
(Encyclopedia)Ns, formerly the suggested symbol for the name nielsbohrium, which was applied variously to two elements, now called bohrium and dubnium. ...hahnium
(Encyclopedia)hahnium hänˈēəm [key], symbol Ha, former suggested name for both element 105, now called dubnium, and element 108, now called hassium. ...nielsbohrium
(Encyclopedia)nielsbohrium nēlzbôrˈēəm [key], symbol Ns, former suggested name for both element 105, now called dubnium, and element 107, now called bohrium. ...bohrium
(Encyclopedia)bohrium bôrˈēəm [key], 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 Gro...Browse by Subject
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