|
Definition of the Dubnium Element
An artificially produced
radioactive element with atomic number 105 whose most long-lived
isotopes have mass numbers of 258, 261, 262, and 263 with
half-lives of 4.2, 1.8. 34, and 30 seconds, respectively.
Origin / Meaning of the name Dubnium
The name Dubnium originates
from
its place of origin in Dubna, in Russia where it was was
first synthesized at the Joint Nuclear Research Institute in
1964
Classification of the Dubnium Element
Dubnium is
classified as a "Transition Metal" which are located in Groups 3 -
12 of the Periodic Table. An Element classified as a Transition
Metals is ductile, malleable, and able to conduct electricity and
heat.
Facts about the History
and the
Discovery
of the Dubnium
Element
Dubnium was
first synthesized at the Joint Nuclear Research Institute at Dubna, in Russia, in 1964 - leading to the name Dubnium (Db).
Also known as Rutherfordium
which was
synthesized by Albert Ghiorso in 1969
at the University of California and named in honor of Ernest
Rutherford, a New Zealand chemist and physicist.
Also named as Kurchatovium (Ku) in honor of Igor Vasilevich
Kurchatov (1903-1960) the former Head of Soviet Nuclear Research
IUPAC - the International Union of Pure and Applied Chemistry
adopted Unnilpentium (Unp) as a temporary name
Also known as Joliotium (Jl) and Hahnium (Ha) after the
German scientist Otto Hahn
Occurrence the Dubnium Element
Man-made
Associated Uses of Dubnium
No known uses
|
