Zirconium

zirconium Atomic Number: 40 Atomic Weight: 91.224 Melting Point: 2128 K (1855°C or 3371°F) Boiling Point: 4682 K (4409°C or 7968°F) Density: 6.52 grams per cubic centimeter Phase at Room Temperature: Solid Element Classification: Metal Period Number: 5    Group Number: 4    Group Name: none