45 Facts About Zinc

Zinc is a chemical element with the symbol Zn and atomic number 30.

Zinc is a slightly brittle metal at room temperature and has a silvery-greyish appearance when oxidation is removed.

Zinc is the 24th most abundant element in Earth's crust and has five stable isotopes.

Zinc is refined by froth flotation of the ore, roasting, and final extraction using electricity .

Zinc is an essential trace element for humans and other animals, for plants and for microorganisms and is necessary for prenatal and postnatal development.

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Zinc deficiency affects about two billion people in the developing world and is associated with many diseases.

Zinc metal was not produced on a large scale until the 12th century in India, though it was known to the ancient Romans and Greeks.

Zinc is a bluish-white, lustrous, diamagnetic metal, though most common commercial grades of the metal have a dull finish.

Zinc is a chalcophile, meaning the element is more likely to be found in minerals together with sulfur and other heavy chalcogens, rather than with the light chalcogen oxygen or with non-chalcogen electronegative elements such as the halogens.

Zinc has 10 nuclear isomers, of which Zn has the longest half-life, 13.

Zinc has an electron configuration of [Ar]3d4s and is a member of the group 12 of the periodic table.

Zinc chemistry is similar to the chemistry of the late first-row transition metals, nickel and copper, though it has a filled d-shell and compounds are diamagnetic and mostly colorless.

Zinc tends to form bonds with a greater degree of covalency and much more stable complexes with N- and S- donors.

Zinc was distinctly recognized as a metal under the designation of Yasada or Jasada in the medical Lexicon ascribed to the Hindu king Madanapala and written about the year 1374.

Zinc was regularly imported to Europe from the Orient in the 17th and early 18th centuries, but was at times very expensive.

Zinc's technique resembled that used at Zawar zinc mines in Rajasthan, but no evidence suggests he visited the Orient.

Zinc incorrectly thought he had discovered an ability of nerves and muscles to create electricity and called the effect "animal electricity".

Zinc is the fourth most common metal in use, trailing only iron, aluminium, and copper with an annual production of about 13 million tonnes.

Zinc mines are scattered throughout the world, with the main areas being China, Australia, and Peru.

Zinc is most commonly used as an anti-corrosion agent, and galvanization is the most familiar form.

Zinc is more reactive than iron or steel and thus will attract almost all local oxidation until it completely corrodes away.

Zinc is used to cathodically protect metals that are exposed to sea water.

Zinc has been the primary metal in American one cent coins since 1982.

Zinc oxide is widely used as a white pigment in paints and as a catalyst in the manufacture of rubber to disperse heat.

Zinc oxide is used to protect rubber polymers and plastics from ultraviolet radiation .

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Zinc chloride is often added to lumber as a fire retardant and sometimes as a wood preservative.

Zinc sulfide is used in luminescent pigments such as on the hands of clocks, X-ray and television screens, and luminous paints.

Zinc powder is sometimes used as a propellant in model rockets.

Zinc has found many uses as a catalyst in organic synthesis including asymmetric synthesis, being cheap and easily available alternative to precious metal complexes.

Zinc is an inexpensive and effective part of treatment of diarrhea among children in the developing world.

Zinc supplements are a group of dietary supplements that are commonly used for the treatment of the common cold.

Zinc supplement is an effective treatment for acrodermatitis enteropathica, a genetic disorder affecting zinc absorption that was previously fatal to affected infants.

Zinc pyrithione is widely included in shampoos to prevent dandruff.

Zinc is an essential trace element for humans and other animals, for plants and for microorganisms.

Zinc is required for the function of over 300 enzymes and 1000 transcription factors, and is stored and transferred in metallothioneins.

Zinc homeostasis plays a critical role in the functional regulation of the central nervous system.

Zinc is an efficient Lewis acid, making it a useful catalytic agent in hydroxylation and other enzymatic reactions.

Zinc has been recognized as a messenger, able to activate signalling pathways.

Zinc serves a purely structural role in zinc fingers, twists and clusters.

Zinc is found in beans, nuts, almonds, whole grains, pumpkin seeds, sunflower seeds, and blackcurrant.

Zinc supplements help prevent disease and reduce mortality, especially among children with low birth weight or stunted growth.

Zinc deficiency appears to be the most common micronutrient deficiency in crop plants; it is particularly common in high-pH soils.

Zinc is added to the soil primarily through the weathering of rocks, but humans have added zinc through fossil fuel combustion, mine waste, phosphate fertilizers, pesticide, limestone, manure, sewage sludge, and particles from galvanized surfaces.

Zinc pennies pose a risk of zinc toxicosis, which can be fatal.

Zinc is highly toxic in parrots and poisoning can often be fatal.

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