Ununseptium
by Carlos Clarivan
Title
Ununseptium
Artist
Carlos Clarivan
Medium
Photograph - Photograph
Description
Ununseptium (Uus). Diagram of the nuclear composition, electron configuration, chemical data, and valence (outer electron) orbitals of an atom of ununseptium-294 (atomic number: 117), the most stable isotope of this radioactive element. The nucleus consists of 117 protons (red) and 177 neutrons (orange). 117 electrons (white) successively occupy available electron shells (rings). Ununseptium is a temporary name (2010 synthesis not yet official). It is a transactinide of unknown properties in group 17, period 7, and the p-block of the periodic table. The ununseptium-294 nucleus (half-life: 78 milliseconds) emits an alpha particle to form ununpentium-290.
Uploaded
July 12th, 2016
Embed
Share
Comments
There are no comments for Ununseptium. Click here to post the first comment.