Dictionary.com

element 115

Save This Word!

Uup
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.
QUIZ
QUIZ YOURSELF ON "IS" VS. "ARE"
"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."
Question 1 of 7
IS and ARE are both forms of which verb?
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

How to use element 115 in a sentence

FEEDBACK