dub·ni·um
dub·ni·um/ˈdo͞obnēəm/
noun
the chemical element of atomic number 105, a very unstable element made by high-energy atomic collisions.
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Dubnium is a synthetic chemical element; it has symbol Db and atomic number 105. It is highly radioactive: the most stable known isotope, dubnium-268, ...
The meaning of DUBNIUM is a short-lived radioactive element produced artificially.
A highly radioactive metal, of which only a few atoms have ever been made. Uses: At present, it is only used in research.
Jul 23, 2024 · Dubnium (Db), an artificially produced radioactive transuranium element in Group Vb of the periodic table, atomic number 105.
Dubnium definition: a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Db; atomic number. See examples of DUBNIUM used in a ...
Noun. dubnium (uncountable) A transuranic chemical element (symbol Db) with atomic number 105. (chemistry, obsolete) A rejected name for rutherfordium.
Dubnium is a superheavy synthetic element that does not occur in nature. The Joint Institute for Nuclear Research in Dubna, Russia, first claimed to have ...
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Definition of the Dubnium Element An artificially produced radioactive element whose most long-lived isotopes have mass numbers of 258, 261, 262, ...
Dubnium, also known as element 105, is a synthetic, radioactive metallic element that was first synthesized in 1970 by a team of scientists.
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Dubnium is a chemical element discovered by Albert Ghiorso in the year 1970. It has an atomic number of 105 with symbol Db, and it belongs to the 7th period of ...