Stannic - definizione. Che cos'è Stannic
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Cosa (chi) è Stannic - definizione

CHEMICAL ELEMENT WITH SYMBOL SN AND ATOMIC NUMBER 50
Stannic; Stannous; Element 50; Tin (element); Tin compounds; Tin metallurgy; Tin Processing; Stannous ion; Sn (element); Gray tin; Beta-tin; Alpha-tin; Tin compound; Compounds of tin; Tin industry; History of tin
  • Artisans working with tin sheets.
  • A coil of lead-free [[solder]] wire
  • can]].
  • [[Pewter]] plate
  • A 21st-century reproduction barn lantern made of punched tin.<!--Barn lanterns were placed over candles and oil lamps to reduce fire hazard when inside barns, and were in use up until the mid-20th century by some farmers.-->
  • World production and price (US exchange) of tin.
  • Ceremonial giant bronze [[dirk]] of the Plougrescant-Ommerschans type, Plougrescant, France, 1500–1300 BC.
  • bibcode = 1996JPCS...57....7L }}</ref>
  • Droplet]] of solidified molten tin
  • 2020s commodities boom}}

stannic         
['stan?k]
¦ adjective Chemistry of tin with a valency of four; of tin(IV).
Origin
C18: from late L. stannum 'tin' + -ic.
Stannic         
·adj Of or pertaining to tin; derived from or containing tin; specifically, designating those compounds in which the element has a higher valence as contrasted with stannous compounds.
Tin         
A metal; one of the elements; symbol, Sn; atomic weight, 117.8; equivalent, 58.9 and 29.5; valency, 2 and 4; specific gravity, 7.3. It is a conductor of electricity.
  Relative resistance, compressed, (Silver = 1)   8.784
  Specific resistance at 0° C. (32° F.),   13.21   microhms.
  Resistance of a wire at 0° C. (32° F.),
  (a) 1 foot long, weighing 1 grain,       1.380   ohms.
  (b) 1 foot long, 1/1000 inch thick,     79.47     "
  (c) 1 meter long, weighing 1 gram,        .9632   "
  (d) 1 meter long, 1 millimeter thick,     .1682   "
  Resistance of a 1 inch cube at 0° C. (32° F.),   5.202   microhms.
  Percentage of variation in resistance
    per degree C. (1.8° F.), at about 20° C. (68° F.),  .0365
  Electro-chemical equivalent (hydrogen = .0105),   .619   mgs.
                                                    .310   "

Wikipedia

Tin

Tin is a chemical element with the symbol Sn (from Latin: stannum) and atomic number 50. Tin is a silvery-coloured metal.

Tin is soft enough to be cut with little force 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; this trait is shared by indium, cadmium, zinc, and mercury in the solid state.

Pure tin after solidifying presents a mirror-like appearance similar to most metals. In most tin alloys (such as pewter) the metal solidifies with a dull gray color.

Tin is a post-transition metal in group 14 of the periodic table of elements. It is obtained chiefly from the mineral cassiterite, which contains stannic oxide, SnO
2
. Tin shows a chemical similarity to both of its neighbors in group 14, germanium and lead, and has two main oxidation states, +2 and the slightly more stable +4. Tin is the 49th most abundant element on Earth and has, with 10 stable isotopes, the largest number of stable isotopes in the periodic table, thanks to its magic number of protons.

It has two main allotropes: at room temperature, the stable allotrope is β-tin, a silvery-white, malleable metal; at low temperatures it is less dense grey α-tin, which has the diamond cubic structure. Metallic tin does not easily oxidize in air and water.

The first tin alloy used on a large scale was bronze, made of 18 tin and 78 copper, from as early as 3000 BC. After 600 BC, pure metallic tin was produced. Pewter, which is an alloy of 85–90% tin with the remainder commonly consisting of copper, antimony, bismuth, and sometimes lead and silver, has been used for flatware since the Bronze Age. In modern times, tin is used in many alloys, most notably tin / lead soft solders, which are typically 60% or more tin, and in the manufacture of transparent, electrically conducting films of indium tin oxide in optoelectronic applications. Another large application is corrosion-resistant tin plating of steel. Because of the low toxicity of inorganic tin, tin-plated steel is widely used for food packaging as tin cans. Some organotin compounds can be extremely toxic.

Esempi dal corpus di testo per Stannic
1. We have also produced another type of nargile using Paþabahçe glass and made the body completely out of brass and stannic.