(From the
Spanish platina, "
silver") A silver-colored,
malleable,
ductile,
metallic chemical element that is highly resistant to
corrosion and
tarnish, used as a chemical
catalyst, for
acid-proof containers, ignition
fuses,
jewelry, dental
alloys, etc.
Symbol: Pt
Atomic number: 78
Atomic weight: 195.078
Density (at room temperature and pressure): 21.45 g/cc
Melting point: 1,770°C
Boiling point: 3,827°C
Ground state electron configuration: [Xe]4f145d96s1