Zinc. A small jar containing zinc granules. Zinc is a transition metal element with symbol Zn and atomic number 30. Its principal uses are in corrosio

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Zinc. A small jar containing zinc granules. Zinc is a transition metal element with symbol Zn and atomic number 30. Its principal uses are in corrosion resistance treatment of iron and steel, in batteries and in alloys such as brass (with copper). It is also an essential trace element in humans.

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Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
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