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Uup

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Symbol, Chemistry, Physics.
  1. ununpentium.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
uup in Science

Uup

  1. The symbol for element 115.

element 115

Uup
  1. An artificially produced radioactive element whose most stable confirmed isotopes have mass numbers of 287 and 288 and half-lives of less than one second. Also called ununpentium See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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