Platinum

Atomic Number: 78

Name: Platinum

Atomic symbol: Pt

Atomic Weight: 195.08

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p⁶4f¹⁴5d⁹6s¹

Ionization energies: 870 kJ/mol

Pauling electronegativity: 2.2

Melting Point: 1772^oC

Boiling Point: 3827^oC

Ionic radius: 0.80 angstroms (+2); 0.62 angstroms (0.65)