Element Properties
By Name
By Atomic Number
By Density
Melting & Boiling Point
Electron Configuration
Radioactive Elements
Noble & Precious Metals
Periodic Table
Groups
Periodic Table
Alkali Metals
Alkaline Earth Metals
Halogens
Noble (Inert) Gases
Rare Earth Elements
Transition Metals
Metalloids (Semimetals)
Nonmetals
Poor Metals
Materials
Toxic Substances
Semiconductor Materials
Vitamins
Amino Acids
Inventions
& Patents
Reference
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Noble & Precious Metals (Elements)
Chemical Properties, Physical Properties and General Information
| Coinage Metals | Platinum Group Metals (PGM) |
|
| Name | Sym. | Atomic
Number | Use & Application | Price
Jan. 2007 |
| Copper | Cu | 29 | Eectrical & thermal conductor, electromagnets, coins, plumbing, cookware, cutlery | 0.2 $/oz |
| Gold | Au | 79 | Jewelry, dental fillings, coins, electrical connectors, printed circuit boards, optics, medicine | 625 $/oz |
| Iridium | Ir | 77 | The most corrosion resistant element known; it is used in high temperature apparatus, electrical contacts, and as a hardening agent for platinum | 375 $/oz |
| Osmium | Os | 76 | Stain tissues and in fingerprinting. Alloys of osmium: in fountain pen tips, electrical contacts and in other extreme durability and hardness applications | 360 $/oz |
| Palladium | Pd | 46 | Industrial catalyst, jewelry (alloyed with gold to produce white gold), multi-layer ceramic capacitors, dentistry | 332 $/oz |
| Platinum | Pt | 78 | Jewelry, laboratory equipment, electrical contacts, dentistry, automobile emissions control, fuel cells | 1122 $/oz |
| Rhenium | Re | 75 | Used in making lead-free, high-octane gasoline and in high-temperature superalloys that are used to make jet engine parts | 153 $/oz |
| Rhodium | Rh | 45 | Alloying agent for hardening platinum and palladium for furnace windings, thermocouple elements, electrodes for aircraft spark plugs, laboratory crucibles | 5350 $/oz |
| Ruthenium | Ru | 44 | Alloying agent for hardening platinum and palladium for severe wear-resistant electrical contacts; added to titanium to improve its corrosion resistance; jewelry | 255 $/oz |
| Silver | Ag | 47 | Coins, jewelry, tableware, photography, mirrors, electrical contacts, printed boards | 12.5 $/oz |
| Tantalum | Ta | 73 | Capacitors, resistors, superalloys for jet engine components, chemical process equipment, nuclear reactors, missile parts | 15 $/oz |
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Chemistry Quick Facts
