Platinum - Wikipedia
Platinum is a chemical element; it has symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish platina, a diminutive of plata "little silver". [7][8]
Platinum | Color, Symbol, Uses, & Facts | Britannica
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.
Platinum group - Wikipedia
The platinum-group metals (PGMs), also known as the platinoids, platinides, platidises, platinum group, platinum metals, platinum family or platinum-group elements (PGEs), are six noble, precious metallic elements clustered together in the periodic table.
Platinum group | Chemical Properties, Uses & Occurrence
Platinum group, six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and platinum (Pt). The elements all possess a silvery white colour—except osmium, which is bluish white. The chemical behaviour of …
Platinum - Element information, properties and uses | Periodic Table
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.
Platinum: What's So Special About the Shiny Metal?
2023年10月10日 · Platinum, classified as a chemical element with the symbol Pt and atomic number 78, stands as a rare and lustrous metal. Its identity as a pure platinum substance, defined by its unique arrangement of platinum atoms, is characterized by exceptional traits: remarkable density, outstanding resistance to corrosion and an exceptionally high melting ...
Platinum | History, Uses, Facts, Physical & Chemical Characteristics
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.
The Properties and Applications of Platinum - ThoughtCo
2020年8月21日 · Platinum is a dense, stable and rare metal that is often used in jewelry for its attractive, silver-like appearance, as well as in medical, electronic, and chemical applications due to its various and unique chemical and physical properties.
Platinum - The chemical element, its science, properties, and uses
2022年5月17日 · 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).
Platinum Element Facts – Pt or Atomic Number 78 - Science …
2023年11月1日 · Platinum is a metallic element with symbol Pt and atomic number 78. It is a luxurious and precious metal that resists tarnish and corrosion, and has a high melting point and remarkable catalytic properties.