Home 78 Pt Platinum back to the periodic table

Atomic number   78
Symbol   Pt
Atomic weight   195.08
Density [g/cm3]   21.45
Melting point [°C]   1772
Boiling point [°C]   3830
1st Ionization energy [eV]   9.0
Electronic configuration   [Xe] 4f14 5d9  6s
Oxidation number (most stable)   4, 2, 0
Atomic radius [pm]   138
Ionic radius [pm]   80 (2+)
Abundance in crustal rocks [ppm]   0.01
Origin of the name   (span.) platina = silver
Discovery   known since about 1500
Uses   substantial quantities for catalysts, crucibles, electrodes and in the dental technology.

This page in German - Diese Seite in Deutsch
© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
These recommendations are believed to be correct. However, no guarantee of their accuracy is given. Therefore, purchasers shall make their own tests to determine suitability for their use. These products are offered for industrial and related uses (e.g. research and development) only. However the user must take the necessary precautions appropriate for products containing chemicals. This description does not imply the absence of any patents, the responsibility whatsoever solely rests with the user.