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Ununpentium is a provisional name for the artificial radioactive element with the atomic number 115. In the Periodic Table of Mendeleev Uup is situated in the group 15, period 7.
The names of new chemical elements is regulated by IUPAC rules, see
Pure Appl. Chem., Vol. 74, No. 5, pp. 787--791, 2002.
The word is composed from:
un=1, un=1, pentium=5; derived from the Latin language.
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