Platinum is an extremely rare metal on Earth, [32] occurring at a concentration of only 0.005 ppm in Earth's crust. [33][34] Platinum is often found chemically uncombined as native platinum and as alloy …

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Dec 4, 2025 · Platinum, chemical element, the best known and most widely used of the six platinum metals. A very heavy, precious, silver-white metal, platinum is soft and ductile and has a high melting …

Platinum is used in the chemicals industry as a catalyst for the production of nitric acid, silicone and benzene. It is also used as a catalyst to improve the efficiency of fuel cells. The electronics industry …

Platinum ... Platinum is a chemical element. It has symbol Pt and atomic number 78. Platinum is a soft, heavy, white metal. It is a precious metal and a transition metal. Its name comes from the Spanish …

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Mar 20, 2024 · What is platinum? Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name is derived from...

Apr 17, 2025 · An introduction to platinum, its properties, where it comes from, and how we use it. Includes key data, photos, and charts.