berillium
Beryllium is a chemical element with the symbol Be and atomic number 4. It is a relatively rare, strong, lightweight, brittle, gray-white alkaline earth metal. Beryllium and its alloys are used in aerospace and defense applications, electronics, automotive components, and medical equipment. Beryllium is toxic and carcinogenic.
Beryllium was discovered in 1798 by Louis Nicolas Vauquelin. It was first isolated as a metal in
Beryllium has a high melting point, high stiffness, and is lightweight. These properties make it useful in
Exposure to beryllium dust or fumes can cause berylliosis, a serious lung disease. Strict safety precautions