All of these elements are classed in Group 5 because their valence shell holds five electrons. Dubnium can only be produced in the laboratory, and does not exist in nature.
|>Explanation of periodic table slice on right:||Transition metals||atomic number in black are solids||solid borders are older than the Earth (Primordial elements)||dotted borders are made artificially (Synthetic elements)|
A 2500-Locus Bin Map of Wheat Homoeologous Group 5 Provides Insights on Gene Distribution and Colinearity with Rice
Oct 01, 2004; ABSTRACT We constructed high-density deletion bin maps of wheat chromosomes 5A, 5B, and 5D, including 2338 loci mapped with 1052...
WIPO PUBLISHES PATENT OF THE UNIVERSITY OF BRITISH COLUMBIA FOR "GROUP 5 METAL COMPLEXES USEFUL FOR AMINE FUNCTIONALIZATION AND SYNTHETIC PROCESS FOR MANUFACTURE THEREOF" (CANADIAN INVENTORS)
Apr 14, 2012; GENEVA, April 12 -- Publication No. WO/2012/040853 was published on April 5. Title of the invention: "GROUP 5 METAL COMPLEXES...
California Specialty Parts Machinist Has No Room For Error.(Group 5 Engineering Inc. relies on equipment from Heidenhain)(Brief Article)
Jan 01, 2001; Group 5 Engineering Inc. (El Segundo, California) specializes in machining high-end parts for two very different worlds: One is...