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A silvery-colored metal, tin is soft enough to be cut with little force, [10] and a bar of tin can be bent by hand with little effort. When bent, the so-called "tin cry" can be heard as a result of twinning in tin crystals. [11] Tin is a post-transition metal in group 14 of the periodic table of elements.
Typical magnet fishing equipment, including protective gloves, a bucket for storing catches, antibacterial hand gel, and a neodymium magnet attached to a rope. Magnet fishing is typically done with gloves, [9] a strong neodymium magnet secured to a durable rope between 15 and 30 meters (50–100 ft), and sometimes a grappling hook as a supplement to the magnet.
With itself, lead can build metal–metal bonds of an order up to three. [90] With carbon, lead forms organolead compounds similar to, but generally less stable than, typical organic compounds [91] (due to the Pb–C bond being rather weak). [64] This makes the organometallic chemistry of lead far less wide-ranging than that of tin. [92]
Derveni krater, bronze, 350 BC, height: 90.5 cm (35 1 ⁄ 2 in.), Inv. B1, Archaeological Museum of Thessaloniki, after cleaning and conservation. Conservation and restoration of metals is the activity devoted to the protection and preservation of historical (religious, artistic, technical and ethnographic) and archaeological objects made partly or entirely of metal.
A table listing the 17 rare-earth elements, their atomic number and symbol, the etymology of their names, and their main uses (see also Applications of lanthanides) is provided here. Some of the rare-earth elements are named after the scientists who discovered them, or elucidated their elemental properties, and some after the geographical ...
A noble metal is ordinarily regarded as a metallic element that is generally resistant to corrosion and is ... The table lists the melting points of the oxides of the ...
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