1+-+kovacs+-+zinc

Zinc is a metallic chemical element. It has the symbol Zn and atomic number 30. It is the first element in the 12th group. The temperature has to be 787.2*F for it to melt. The boiling point is 1,664*F. Zinc has an atomic mass of  65.409. Zinc is an essential mineral that is naturally present in some foods, added to others, and available as a dietary supplement. before zinc was recognized as a distinct element, zinc ores were used for making brass

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