Zinc metal is a bluish-white, lustrous element that is commonly used in various applications. It is represented by the chemical symbol Zn and has an atomic number of 30. Zinc is primarily known for its ability to resist corrosion, making it an essential material for galvanizing iron and steel to protect them from rust. In addition to its protective properties, zinc plays a vital role in human health. It is an essential trace element that supports the immune system, aids in wound healing, and is important for DNA synthesis. Foods rich in zinc include meat, shellfish, legumes, and nuts.