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Unstable element
Answer for the clue "Unstable element ", 13 letters:
rutherfordium
Alternative clues for the word rutherfordium
Word definitions for rutherfordium in dictionaries
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
kurchatovium \kurchatovium\ n. [From Igor Kurchatov, a Russian scientist who worked on the atomic bomb.] A transuranic element of atomic number 104, symbol Ku; also called rutherfordium , symbol Rf. It is produced in very small quantities by nuclear reactions. ...
Wikipedia
Word definitions in Wikipedia
Rutherfordium is a chemical element with symbol Rf and atomic number 104, named in honor of physicist Ernest Rutherford . It is a synthetic element (an element that can be created in a laboratory but is not found in nature) and radioactive ; the most stable ...
Wiktionary
Word definitions in Wiktionary
n. 1 A transuranic chemical element (''symbol'' Rf) with an atomic number of 104 2 (context obsolete English) (non-gloss definition: A rejected name for seaborgium)
WordNet
Word definitions in WordNet
n. a radioactive transuranic element which has been synthesized [syn: Rf , kurchatovium , Ku , unnilquadium , Unq , element 104 , atomic number 104 ]
Usage examples of rutherfordium.
Unfortunately, by the time the IUPAC referees got there, the atoms were gone, decayed to hassium, seaborgium, and rutherfordium.