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Ununpentium, atomic structure

Ununpentium, atomic structure

C013/1858

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60.0 MB (1.4 MB compressed)

4579 x 4579 pixels

38.9 x 38.9 cm ⏐ 15.3 x 15.3 in (300dpi)

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Credit

SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY

Caption

Ununpentium (Uup). Diagram of the nuclear composition and electron configuration of an atom of ununpentium-288 (atomic number: 115), the most stable isotope of this radioactive element. The nucleus consists of 115 protons (red) and 173 neutrons (blue). 115 electrons (green) bind to the nucleus, successively occupying available electron shells (rings). Ununpentium is a temporary name (2003 synthesis not yet official). It is a transactinide of unknown properties in group 15, period 7, and the p-block of the periodic table. The ununpentium-288 nucleus (half-life: 173 milliseconds) emits an alpha particle to form ununtrium-284.

Release details

Model release not required. Property release not required.

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