DUBNIUM
Dubnium
Dubnium is a chemical element with the symbol Db and atomic number 105, named after the town of Dubna in Russia, where it was first produced. It is a synthetic element and radioactive; the most stable known isotope, dubnium-268, has a half-life of approximately 28 hours.The above text is a snippet from Wikipedia: Dubnium
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dubnium
Noun
- A transuranic chemical element (symbol Db) with atomic number 105.
- rutherfordium.
The above text is a snippet from Wiktionary: dubnium
and as such is available under the Creative Commons Attribution/Share-Alike License.