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Osmium
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Published on Dec 10, 2016
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PRESENTATION OUTLINE
1.
OSMIUM
BY NATALIA WHITE
2.
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The # of electrons are 76
The # of valence electrons are 2
The # of energy levels are 11
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William Hyde Wallaston and Smithson Tennant found osmium together
Osmium was discovered in 1803
It was named after the greek word plēnos which means 'winged'
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Osmium is a metal
It is a solid at room temperature
It's melting point is at 5491 degrees ferenhiett
Its boiling point is at 9054 degrees ferenhiett
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Osmium is one of the densest element in the world
Osmium is brittle even at high temperatures
Powdered osmium forms a highly toxic material
Which causes lung, skin, and eye damage
Osmium is sold as a minimum 99.9% pure powder for $400 per troyounce
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The only thing osmium is used for in our modern day world is beads because its so expensive
They used to use osmium in older fashioned pens and phonograph needles
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Osmium is very hard to find because it is a rare metal
It is also extremely empensive
9.
REFERENCES
Wikipedia.com
Webelements.com
Chemicool.com
Google.com
10.
THANK YOU FOR WATCHING!!!
Natalia White
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