• A lustrous bluish-white metallic chemical element whose atomic number is 30. Below 100 or 110 °C it is brittle, but above this temperature it becomes malleable and ductile. Zinc has been known since ancient times, can be refined to better than 99.999999%, and has about 25 known isotopes, of which 4 are stable. Its applications include its use for galvanization, in important alloys such as brass, in fuses, batteries, lasers, and semiconductors. Its chemical symbol is Zn.
  • chemical symbol Zn

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