Criminal File: Osmium - Northbrook District 28

Criminal File: Osmium Elizabeth Coughlin, P.10
Element Name:
Osmium Date of Infraction:
January 4, 2016
Offense:
Homicide
Atomic Symbol:
Os
Atomic Number:
76
Atomic Mass:
190.23
Group, Family, Period:
Group 8, Period 6, Transition metal Class:
Metal
State at 20ºC:
Solid Melting Point:
3306 K (3033°C)
Boiling Point:
5285 K (5012°C)
Color:
Shiny, blue-ish white Discovery Credit:
British chemist Smithson Tennant Year Discovered:
1803 Where Discovered:
London, England
Origin of Name:
From the Greek word for a smell, osme
Obtained:
In both copper- and platinum-bearing river sands Uses:
Ballpoint pen tips, fountain pen tips, record player needles, electrical contacts and other devices where frictional wear must be minimized.
Properties (Chemical and Physical):
Lustrous, densest, slow or no reactions with nearly everything
Suspicious Activity:
Having a half-life of 13.1 hours to 6 years. References Bentor, Y. (2012). Osmium. Retrieved January 5, 2016, from http://www.chemicalelements.com/elements/os.html Jefferson Lab. (2016, January 1). The element osmium. Retrieved January 5, 2016, from http://education.jlab.org/itselemental/ele076.html

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