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LC control 85095926
LC classificationQD181.O7 General and inorganic chemistry
QD412.O7 Organometallic chemistry
QD464.O7 Atomic and molecular weights
QE516.O7 Geochemistry
TP245.O7 Chemical technology
Topical headingOsmium
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See alsoPlatinum group
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Found inWikipedia, Nov. 1, 2012 (Osmium is a chemical element with the symbol Os and atomic number 76. It is a hard, brittle, blue-gray or blue-black transition metal in the platinum family and is the densest naturally occurring element)