No, the Molecular Mass of Bromobenzene Is Not 157 amu W: An Exercise in Mass Spectrometry and Isotopes for Early General Chemistry

Journal of Chemical Education

Volumn 77, Issue 11, 2000, Pages 1433-1434

  Schildcrout, Steven M ^a  

^a YOUNGSTOWN STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0008971035     PISSN: 00219584     EISSN: None     Source Type: Journal    
DOI: 10.1021/ed077p1433     Document Type: Article

References (6)

1. Griffiths, I. W. Rapid Commun. Mass Spectrom. 1997, 11, 2-16. This includes a historical account of J. J. Thomson's invention of mass spectrometry and the first observation of stable isotopes (for Ne).
2. Eichstadt, K. E. J. Chem. Educ. 1992, 69, 48-51.
3. Amenta, D. S.; DeVore, T. C.; Gallaher, T. N.; Zook, C. M.; Mosbo, J. A. J. Chem. Educ. 1996, 73, 572-575.
4. Schildcrout, S. M. J. Chem. Educ. 2000, 77, 501-502.
5. For a mass spectrum of bromobenzene see also NIST Chemistry WebBook; Mallard, W. G.; Lindstrom, P. J., Eds.; NIST Standard Reference Database No, 69; National Institute of Standards and Technology: Gaithersburg, MD, Nov 1998; http://webbook.nist.gov (accessed Jun 2000).
6. Holden, N. E. Table of the Isotopes. In Handbook of Chemistry and Physics, 71st ed.; Lide, D. R., Ed.; CRC Press: Boca Raton, FL, 1990; pp 11-33-11-140. The only other elements with this property are Se, Ag, and Eu.