'unnilquadium' definitions:
Definition of 'unnilquadium'
From: WordNet
noun
A radioactive transuranic element which has been synthesized [syn: rutherfordium, Rf, unnilquadium, Unq, element 104, atomic number 104]
Definition of 'unnilquadium'
From: Elements
- Symbol: Unq
- Atomic number: 104
- Atomic weight: (261)
- Radioactive transactinide element. Expected to have similar chemical properties to those displayed by hafnium. Rf-260 was discovered by the Joint Nuclear Research Institute at Dubna (U.S.S.R.) in 1964. Researchers at Berkeley discovered Unq-257 and Unq-258 in 1964.