What is Zinc?

Zinc is a chemical element with the symbol Zn and atomic number 30. It is a bluish-white, lustrous metal at room temperature. Chemically, zinc is similar to magnesium because its ion has a similar size. Zinc is essential for life and is widely used in alloys such as brass, in galvanizing iron and other metals to prevent corrosion, in batteries, and as a nutrient in dietary supplements. It is also used in sunscreens and various other products.