Zinc
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| 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.
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| 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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