A DRINK TO DEATH...
INTRODUCTION
Monica and Purita Jones, two elderly sisters, were suspected to have poisoned gentlemen boarders by serving them elderberry wine and then bury them in the cellar of their home. Police were able to locate the dead bodies and brought them to the laboratory. The doctor reported that the possible cause of death was arsenic poisoning. Your job is to confirm that indeed it was arsenic that killed the boarders!
THE TASK
Your group will create a crime scene investigation report showing the possible causes of the gentlemen's death. Each team member will take one of the four roles: chemist, doctor, historian and news reporter.
THE CHEMIST
Your job is to find basic information about the element arsenic. This information should include: atomic number, atomic mass, electron configuration, number of valence electron, location in the periodic table, variety of physical and chemical properties, occurence in nature and compunds it forms.The following web sites will help you in your investigation:
http://www.chemicalelements.com/elements/as.html
http://www.webelements.com/webelements/elements/text/As/key.html
http://www.chemicool.com/elemts/arsenic.html
http://www.environmentalchemistry.com/yogi/periodic/As.html
http://www.dartmouth.edu/~cehs/ArsenicConference/Hamilton.html
http://nepal.ms.dk/articles/arsenic/default.htm
THE HISTORIAN
Your job is to find information pertaining to cases of arsenic poisoning. It should include the names of those who died of arsenic poisoning, the circumstances surrounding the death and how the poisoning was confirmed. The following web sites will help you in your investigation:
http://www.ornl.gov
http://www.highbeam.com
THE DOCTOR
Your job is to find information pertaining to arsenic poisoning. It should include physiological effects of ingesting arsenic, dosage levels, symptoms of arsenic poisoning, tests to confirm arsenic poisoning and treatments. The following web sites will aid you in your investigation:
http://wwwharvestfields.ca/HerbBooks.htm
http://www.extremehealthusa.com
http://pmep.cce.cornell.edu
http://news.bbc.co.uk
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