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actinon
American Heritage Dictionary:
ac·ti·non
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(
ăk
'
tə-nŏn
'
)
n.
A radioactive, inert, gaseous isotope of radon, with a half-life of 3.92 seconds.
[
ACTIN(IUM)
+
-ON
2
.]
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actinon
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American Heritage Dictionary
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2007, 2000 by
Houghton Mifflin Company
. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
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Collins Bradford's Crossword Solver's Dictionary
© Anne Bradford, 1986, 1993, 1997, 2000, 2003, 2005, 2008
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radon
(element – in chemistry)
Isotopes of radon
Bad Schlema
Inorganic compounds by element
Decay chain
List of elements by symbol
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