Zinc

 


 

Name Zinc
Symbol Zn
Atomic Number 30
Atomic Mass 65.39 atomic mass units
Number of Protons 30
Number of Neutrons 35
Number of Electrons 30
Melting Point 419.58 C
Boiling Point 907.0 C
Density 7.133 grams per cubic centimeter
Normal Phase Solid
Family Transition Metals
Period 4
Cost Not Available

 


 

Origin of Name From the German word zin, meaning tin
Date and Place of Discovery In 1746 in Germany
Discovered by Andreas Sigismund Marggraf
Common Compounds
Interesting facts
  • It is found in many forms: dust, foil, granules, powder,  shot, and a mossy form.
  • There are zinc mines all over the world. The largest producers are Australia, Canada, China, Peru and the U.S.A.
  • Its greatest use is in the production of brass.
  • It tarnishes in moist air and will burn when exposed to air.
  • Humans can suffer from zinc deficiency.
  • Signs of zinc deficiency are loss of hair, skin lesions, and diarrhea and it can end in death.
Common Uses
  • Galvanized steel
  • Alloys such as brass, silver, typewriter metal
  • American coins
  • Die casting
  • Battery containers
  • Pipe organs
  • Water colors and paints
  • Rubber industry
  • Protection against sunburn and windburn, and diaper rash
  • Deodorants
  • Wood preservatives
  • Items that glow in the dark
  • Calamine lotion
  • Dietary supplement
  • Throat lozenges and cold therapy

 

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