Definition, Meaning & Synonyms
unununium
Chemical Element
/ˌjuː.nʌ.nʊˈnɪ.əm/
Definition
Unununium is a temporary name for the chemical element with the atomic number 111, which is not naturally occurring and is produced in laboratories.
Examples
- The discovery of unununium expanded the periodic table into the superheavy elements.
- Unununium was later named roentgenium in honor of Wilhelm Röntgen.
Meaning
The name ‘unununium’ follows the systematic element naming convention, where ‘una’ signifies ‘one’ in Latin, helping to infer its atomic number.
Synonyms
- Roentgenium
- Element 111
