Osmium

1
Osmium

• By Maggie Rotanz

2
Properties Uses

• Properties
• Atomic Weight 190.23
• Density (g/cc) 22.57
• Melting Point (K) 3327
• Boiling Point (K) 5300
• Appearance Blue-white, lustrous, hard metal
• Highly Toxic

• Uses
• Used to detect fingerprints
• Add hardness to alloys
• For the tips of fountain pens
• Electrical Contacts
• Instrument Pivots
• Phonograph Needles

3
Facts Information

• Osmium comes from the Greek word osme meaning
  a smell.
• Osmium was discovered by a man named Smithson
  Tennant in 1803.
• Osmium can be found in bearing river sands of
  North and South America.
• Has a hexagonal crystal structure.
• Is the heaviest known element.
• Can be found in ores that contain platinum.

4
Osmium Graphic
5
Sources

• http//chemistry.about.com/library/blper5.htm
• http//www.webelements.com/webelements/scholar/ele
  ments/periodic-table/uses.html
• http//nautilus.fis.uc.pt/st2.5/scenes-e/elem/e076
  90.html
• http//environmentalchemistry.com/yogi/periodic/Os
  .html
• http//www.svetn.org/Angel/section/default.asp?id
  NS2DBRE2DSCI2DScience62DYear05
• http//www.svetn.org/Angel/section/default.asp?id
  NS2DBRE2DSCI2DScience62DYear05