Yahoo Αναζήτηση Διαδυκτίου

Αποτελέσματα Αναζήτησης

  1. en.wikipedia.org › wiki › PlatinumPlatinum - Wikipedia

    Platinum is an extremely rare metal, [26] occurring at a concentration of only 0.005 ppm in Earth's crust. [27] [28] Sometimes mistaken for silver, platinum is often found chemically uncombined as native platinum and as alloy with the other platinum-group metals and iron mostly.

  2. 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 point and good resistance to corrosion and chemical attack. Learn more about platinum in this article.

  3. 10 Οκτ 2023 · Platinum is a precious metal with exceptional properties, such as high density, resistance to corrosion and melting point. Learn about its history, mining methods, uses and comparison with gold.

  4. Platinum metal is silvery white and does not oxidise, properties that make it highly appealing for jewellery. It is more precious than silver but with prices more volatile than gold.

  5. Platinum is a rare transition metal. It is present in a concentration of as low as around 0.005 ppm (5micrograms per kg) in the Earth’s crust. Platinum is mostly present in its native form and as alloy with iron.

  6. 17 Μαΐ 2022 · Platinum is a dense, expensive, and relatively rare, silvery-white metal—and those may be the only things you know about it. The name "platinum", which comes from the Spanish word platina (meaning "little silver"), relates to when and where the metal was discovered (in Latin America in the early 18th century).

  7. - Platinum is a precious, silver-white metal, renowned for its rarity and high market value. - Known for its versatility, it is used in various industries, from automotive to healthcare. - As a transition metal, it’s dense, malleable, and impervious to corrosion, existing as a solid under standard conditions. Historical Background.

  1. Αναζητήσεις που σχετίζονται με what is platinum metal

    what is platinum metal made of