Beryllium

hydrogen Atomic Number: 4 Atomic Weight: 9.012182 Melting Point: 1560 K (1287°C or 2349°F) Boiling Point: 2744 K (2471°C or 4480°F) Density: 1.85 grams per cubic centimeter Phase at Room Temperature: Solid Element Classification: Metal Period Number: 2    Group Number: 2    Group Name: Alkaline Earth Metal