104
267.00
Rf
Rutherfordium
Identification
CAS Number: 53850-36-5
Discovery Year: 1969
Discoverer: A. Ghiorso, et al
Discovery Location: United States
Properties
Electronic Structure
Abundance & Geochemistry
Goldschmidt Class: synthetic
About
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.
Isotopes
Rf-265 265 ☢ 6.60 min
Rf-267 267 ☢ 2.50 h
