plat·i·num
plat·i·num/ˈplatənəm,ˈplatnəm/
noun
a precious silvery-white metal, the chemical element of atomic number 78. It was first encountered by the Spanish in South America in the 16th century, and is used in jewelry, electrical contacts, laboratory equipment, and industrial catalysts.
Platinum
Chemical element
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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 "silver". Wikipedia
Symbol: Pt
Atomic number: 78
Melting point: 3,215°F (1,768°C)
Electron configuration: [Xe]4f¹⁴5d⁹6s¹
Discoverer: Antonio de Ulloa
Atomic mass: 195.084 u
Discovered: 1735
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a precious grayish-white noncorroding ductile malleable heavy metallic element that fuses with difficulty and is used especially in chemical ware and ...
noun · A soft, ductile, malleable, silver-white metallic element that usually occurs with osmium, iridium, palladium, or nickel. It has a high melting point and ...
a valuable metal that is silver in color, does not react easily with other elements, and is used in jewelry and in industry. (Definition of platinum from ...
Element Platinum (Pt), Group 10, Atomic Number 78, d-block, Mass 195.084. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and ...
Apr 8, 2024 · Platinum, chemical element, the best known and most widely used of the six platinum metals. A very heavy, precious, silver-white metal, ...
a heavy, grayish-white, highly malleable and ductile metallic element, resistant to most chemicals, practically unoxidizable except in the presence of bases ...
Platinum is a silvery metallic chemical element, a member of the six transition elements in Group VIII of the periodic table known collectively as the platinum ...
Platinum - Definition, Meaning & Synonyms - Vocabulary.com
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Platinum is a chemical element that's a heavy, precious metal. If you want a really fancy wedding band, go for platinum.
Sperrylite: Platinum arsenide, or sperrylite, is the only platinum ore of any significance besides native platinum. It was named after its discoverer Francis L.