dubnium
- noun
- /ˈdʌbniəm/
- Specialized
:
dubnio
- Dubnium does not occur naturally and must be created artificially in laboratories.
Examples
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The element dubnium was first synthesized in 1970.
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The properties of dubnium are still being studied because so little of it can be produced.
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Scientists succeeded in synthesizing dubnium only in particle accelerators due to its short half-life.
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Scientists discovered dubnium while experimenting with heavy elements.
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Element 105 was named dubnium, and element 106 seaborgium.
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Scientists synthesized dubnium in a laboratory setting during their experiments.
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Due to its radioactivity, dubnium must be handled with great care in research facilities.
Synonyms
10
9.6
A man-made radioactive metal with atomic number 105
A man-made chemical element made in labs with number 105 called dubnium
An element called dubnium with symbol Db and atomic number 105
An old name for element 105 that is now called dubnium
Surface Forms
Morphology
dubnium = Dubna (semi-transparent) = dubna + ium
Formed by adding the element-name suffix '-ium' to the place name 'Dubna'; the morphological process is regular but identifying the base requires knowledge of the proper noun or element-naming conventions.
Etymology
The word dubnium comes from the Russian town Dubna, where scientists first made the element, and the ending -ium is the same as in common names like sodium. So, the name dubnium tells you it is a laboratory-made chemical 'element' named after the place it was discovered.