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  Home > JCE Print > Journal of Chemical Education > Issues > 2000  > May  >
In the Classroom
Tested Demonstrations
Ionic Crystals: A Simple and Safe Lecture Demonstration of the Preparation of NaI from Its Elements
submitted by: Zelek S. Herman
521 Del Medio Avenue, #107, Mountain View, CA 94040-1146

checked by: Tom Hanninen
Department of Chemistry, Kutztown University, Kutztown, PA 19530

checked by: Paul Krause
Department of Chemistry, University of Central Arkansas, Conway, AR 72032

Cover
May 2000
Vol. 77 No. 5
p. 619
Abstract
A simple and safe classroom demonstration showing the production of sodium iodide (NaI) crystals from elemental sodium and elemental (molecular) iodine is presented. The demonstration, which is quite impressive, naturally fits into the discussion of ionic bonding and the alkali halide crystals. It is best suited for a classroom or laboratory containing fewer than 75 students. Suggestions are made for using the product in other topics covered in the course.
More Information
*  Citation
 Herman, Zelek S. J. Chem. Educ. 2000 77 619.
*  Keywords
 Crystallography / Crystal Growth; Demonstrations; Inorganic Chemistry; Iodine; Sodium; Thermodynamics; Teaching / Learning Aids
*  History
 Created:
Last Updated:		 March 31, 2000
April 15, 2005
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