Platinum (Pt), element 78 – Learn Acer periodic table

Transition metal, atomic number 78.

Platinum is a chemical element with symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, gray-white transition metal. Its name is derived from the Spanish term platina, which is literally translated into "little silver".

Symbol Pt. Atomic mass 195.0849 u. Group 10, period 6. Electron configuration [Xe] 4f14 5d9 6s1. Electrons per shell 2, 8, 18, 32, 17, 1. State at room temperature: Solid. Melting point 1768.3 °C, boiling point 3824.8 °C. Discovered by Antonio de Ulloa.

Element data from Wikipedia, CC BY-SA 3.0.

Platinum (Pt), element 78 – Learn Acer periodic table

Platinum

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