Show Elements
ID 7
Symbol Pt
Name Platinum
Density (g/cm<sup>3</sup>) 21.45
Atomic Number 78
Molecular Weight 195
Melting Point (K) 2041.4
Boiling Point (K) 4098
Specific Heat Capacity (J/kg K) 133
Electro Negativity 2.28
Curie temperature (K)
Bohr Magneton (J/T)
Magnetization Saturation (MA m<sup>-1</sup>)
Crystal Structure Face-centered cubic (fcc)
Appearance Silvery white
Element category Transition metal
Magnetic ordering Paramagnetic
Discovery Antonio de Ulloa (1735)
General Information Platinum buried deep in the middle of the periodic table among elements collectively known as the transition metals. Its near neighbors include iridium, osmium, palladium, rhodium, and ruthenium which, with platinum, called the platinum group metals.
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