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Thus dubnium is expected to form a stable +5 state.
The chemical element with atomic number 105 was named dubnium.
Our expertise was in detecting element 105, known as Dubnium.
However small the quantity of dubnium, this was sufficient proof for the team.
This was taken as providing some evidence for the formation of dubnium nuclei.
If enough were ever accumulated in one place, dubnium would constitute a radiation hazard.
The chemistry of dubnium has been studied for several years using gas thermochromatography.
This left element 104 open to be be renamed dubnium.
However, dubnium was named after the small town of Dubna in Russia.
There are exceptions, however, including dubnium and several isotopes of curium.
The chemical properties of dubnium are characterized only partly.
Only a few atoms of highly radioactive dubnium have ever been isolated, as it does not occur naturally on Earth.
By coincidence, dubnium is named after the Russian city of Dubna where this research was carried out.
Tantalum's heavier analogue was later found to be the transuranic element dubnium.
Isotopes of dubnium have also been identified in the decay of heavier elements.
The element dubnium was also named after its place of discovery (Dubna, Russia).
For instance, Dubnium was discovered by Soviet scientists at the Dubna research center.
The atomic number of dubnium.
It has been named eka-tantalum, hahnium and unnilpentium but is now named dubnium.
Element 104: dubnium; changed from rutherfordium (or kurchatovium).
This section deals with the synthesis of nuclei of dubnium by so-called "cold" fusion reactions.
The Americans wished to name element 105 hahnium, while the Russians preferred the name dubnium.
Chemistry experiments have confirmed that dubnium behaves as the heavier homologue to tantalum in group 5.
Eka-tantalum is actually dubnium.
The table below provides cross-sections and excitation energies for cold fusion reactions producing dubnium isotopes directly.