Jump to: navigation, search

Platinum

Revision as of 05:50, 31 October 2014 by DMM (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)



Name Platinum
Atomic Number 78
Atomic Weight 195.084
Symbol Pt
Melting Point ( °C ) 1772.0
Boiling Point ( °C ) 3827.0
Density (g/cm3) 21.45
Earth crust (%) 0.003
Discovery (Year) 1735
Group 10
Electron configuration [Xe] 4f14 5d9 6s1
Ionization energy (eV) 205.3

Platinum is one the rarest metals on earth. It is a grayish white and is used in jewelry. It has six naturally occurring isotopes. Platinum is a highly valued and is very precious.


Discovery

Platinum was discovered by Antonio de Ulloa in 1735.


References

Unknown extension tag "references"

All references are built automatically by using the ref tag. Please point to a specific internet page on a site and do not just use the site domain name. Please verify all information using multiple sources. http://en.wikipedia.org/wiki/Platinum www.webelements.com www.chemicalelements.com


Do you see an error on this page? Please create an account and help us edit this page. Your help is greatly appreciated.