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Symbol, Chemistry, Physics. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Uup in Science
The symbol for element 115.
element 115  
Symbol Uup
An artificially produced radioactive element whose isotopes have mass numbers of 287 and 288 and half-lives of less than one second. Atomic number 115. Also called ununpentium. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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