Question: what are the physical and chemical properties of beryllium?
Answer: Physical properties Beryllium is a hard, brittle metal with a grayish-white surface. It is the least dense (lightest) metal that can be used in construction. Its melting point is 1,287°C (2,349°F) and its boiling point is estimated to be about 2,500°C (4,500°F). Its density is 1.8 grams per cubic centimeter.