Zinc [Zn] (CAS-ID: 7440-66-6) locate me
An: 30 N: 35 Am: 65.409 (4)
Group No: 12 
Block: d-block  Period: 4
State: solid at 298 K
Colour: bluish pale grey Classification: Metallic
Boiling Point: 1180k (907'C)
Melting Point: 692.68k (419.53'C)
Density: 7.14g/cm3
Availability: Zinc is available in many forms including dust, foil, granules, powder, pieces, nanosize activated powder, shot, and a mossy form.
Shell Structure diagram | Atomic Radius diagram
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Discovery Information
Who: Andreas Marggraf
When: 1764
Where: Germany
Name Origin
German: zin (German for tin).
Sources
Found in the minerals zinc blende (sphalerite) (ZnS), calamine, franklinite, smithsonite (ZnCO3), willemite, and zincite (ZnO). The largest producers are Australia, Canada, Peru and the USA.
Uses
Used to coat other metals (galvanizing) to protect them from rusting. Used in alloys such as brass, bronze, nickel. Also in solder, cosmetics and pigments.
Zinc Oxide is used as a white pigment in watercolours and paints. It can also be found as an over-the-counter ointment that is appplied to the exposed skin of the face or nose to prevent dehydration. It can also prevent sunburn.
Zinc Chloride (ZnCl2) is used as a deodorant and can also be used as wood preservative.
Zinc Sulfide (ZnS) is used in luminescent pigments such as those on the hands of clocks and other items that glow in the dark.
Calamine lotion, used to treat skin rashes, is a mix of Zn-(hydroxy-)carbonates and silicates.
Throat lozenges, used as remedies for the common cold, use Zinc Gluconate Glycine (C12H22O14Zn) and Zinc acetate.
Notes
Zinc is an essential element, necessary for sustaining all life. It is estimated that 3000 of the hundreds of thousands of proteins in the human body contain zinc.
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