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**Symbol:** Zn
**Atomic number:** 30
**International title:** zincum
**Relative Atomic Weight:** 65,38
**Information:** Zinc is a soft, shiny silver white metal. It is steady in the air, covered with an oxide layer that protects it (passivation of metal).
**Use:** Zinc is used to galvanize sheets and to produce alloys (e.g. brass Cu+Zn).
**Occurrence:** Zinc is relatively well present in earth's crust. Among its most important minerals are the sphalerite or zinc ZnS.
**Structure:** Zinc crystallizes into a hexagonal (primitive basic cell).