dubnium


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dubnium

(dūb'nē-ŭm),
An artificial transplutonium element; atomic number 105; atomic weight 262 [Formerly called Unnilpentium, Unp; and Joliotium, after the French physicist F. Joliot-Curie.]
[Dubna, Russia]

dubnium (Db)

Etymology: Joint Institute for Nuclear Research at Dubna, Russia
a transuranic element. Its atomic number is 105; the mass of its best-known isotope is 260. It is produced by an induced nuclear reaction. Also called element 105. Formerly called hahnium.

dubnium

(doob′nē-ŭm, dŭb′) [ Dubna, Russia],

Db

A synthetic radioactive element; atomic mass 268; atomic number 105.
CAS # 54850-35-4
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References in periodicals archive ?
In addition, the panel selected the name dubnium for element 104, joliotium for 105, and rutherfordium for 106.
backlot (1) Columbium columbarium columbarium Copper cropped cropped Curium Urumchi RHD Urumchi RHD Dubnium
Left square: Hydrogen Beryllium Boron Carbon Nitrogen Fluorine Silicon Argon Potassium Scandium Germanium Cadmium Indium Tin Xenon Barium Praseodymium Neodymium Erbium Thulium Lutetium Tantalum Rhenium Osmium Iridium Platinum Mercury Thallium Lead Actinium Thorium Protactinium Plutonium Einsteinium Seaborgium Hassium transposed, yields Right square: Lithium Oxygen Sodium Aluminium Chlorine Chromium Iron Copper Gallium Arsenic Selenium Strontium Yttrium Niobium Palladium Antimony Iodine Caesium Lanthanum Promethium Samarium Gadolinium Terbium Dysprosium Ytterbium Tungsten Gold Astatine Radon Francium Uranium Curium Nobelium Dubnium Bohrium Meitnerium