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\f0\fs24 \cf0 Works Cited\
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\cf0 "Atomic Math." 
\i Atomic Math
\i0 . N.p., n.d. Web. 27 Nov. 2009. <http://www.atomicmath.com/>.\
"File:KrTube.jpg - Wikipedia, the free encyclopedia." 
\i Wikipedia, the free encyclopedia
\i0 . N.p., n.d. Web. 18 Nov. 2009. <http://en.wikipedia.org/wiki/File:KrTube.jpg>.\
 "Krypton." 
\i Worldbook
\i0 . student ed. 2009. 
\i krypton
\i0 . Web. 23 Nov. 2009.\
 "Periodic Table of the Elements." 
\i Prairie Hills Middle School Student Handbook 2009-2010
\i0  17 Aug. 2009: 109. Print.\
"The Photographic Periodic Table of the Elements." 
\i The Photographic Periodic Table of the Elements
\i0 . N.p., n.d. Web. 24 Nov. 2009. <http://periodictable.com/>.\
Year. "Chemistry 1904." 
\i Nobelprize.org
\i0 . N.p., n.d. Web. 23 Nov. 2009. <http://nobelprize.org/nobel_prizes/chemistry/laureates/1904/>.\
unknown. 
\i Periodic table
\i0 . N.d. unknown, unknown. 
\i atomicmath
\i0 . Web. 23 Nov. 2009.\
unknown. 
\i krypton atom
\i0 . N.d. unknown, unknown. 
\i webelements
\i0 . Web. 23 Nov. 2009.\
unknown. 
\i sir William Ramsey
\i0 . N.d. unknown, unknown. 
\i nobelprize.org
\i0 . Web. 23 Nov. 2009.\
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\i \cf0 MLA formatting by BibMe.org.\
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