Suchergebnisse
Suchergebnisse:
Vor 5 Tagen · Germanium is a chemical element; it has symbol Ge and atomic number 32. It is lustrous, hard-brittle, grayish-white and similar in appearance to silicon. It is a metalloid (more rarely considered a metal) in the carbon group that is chemically similar to its group neighbors silicon and tin. Like silicon, germanium naturally reacts and forms ...
Vor 3 Tagen · Gallium is a chemical element; it has symbol Ga and atomic number 31. Discovered by the French chemist Paul-Émile Lecoq de Boisbaudran in 1875, [10] gallium is in group 13 of the periodic table and is similar to the other metals of the group ( aluminium, indium, and thallium ). Elemental gallium is a relatively soft, silvery metal at standard ...
Vor 3 Tagen · Permian–Triassic boundary at Frazer Beach in New South Wales, with the End Permian extinction event located just above the coal layer. Approximately 251.9 million years ago, the Permian–Triassic (P–T, P–Tr) extinction event (PTME; also known as the Late Permian extinction event, the Latest Permian extinction event, the End-Permian extinction event, and colloquially as the Great Dying ...
23. Mai 2024 · Yttrium. hexagonal close-packed (hcp) ( hP2) Yttrium is a chemical element; it has symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a "rare-earth element". [7]
27. Mai 2024 · In its pure form, molybdenum is a silvery-grey metal with a Mohs hardness of 5.5 and a standard atomic weight of 95.95 g/mol. [15] [16] It has a melting point of 2,623 °C (4,753 °F), sixth highest of the naturally occurring elements; only tantalum, osmium, rhenium, tungsten, and carbon have higher melting points. [10]
Vor 2 Tagen · Antimony is a silvery, lustrous gray metalloid with a Mohs scale hardness of 3, which is too soft to mark hard objects. Coins of antimony were issued in China's Guizhou province in 1931; durability was poor, and minting was soon discontinued. [10] Antimony is resistant to attack by acids.
Vor 2 Tagen · Tailoring involves creating new shirts, pants, skirts, shorts, and hats at the sewing machine located inside Emily and Haley's house or the Sewing Machine received as a reward for the "Rock Rejuvenation" special order. Boots and shoes can also be custom-tailored, which does not create a new item, but transfers the stats from one pair to another.
