The Element Gadolinium
64GdGadolinium157.25 Atomic Number: 64 Atomic Weight: 157.25 Melting Point: 1586 K (1313°C or 2395°F) Boiling Point: 3546 K (3273°C or 5923°F) Density: 7.90 grams per cubic centimeter Phase at Room Temperature: Solid Element Classification: Metal Period Number: 6 Group Number: none Group Name: Lanthanide Estimated Crustal Abundance: 6.2 milligrams per kilogram Estimated Oceanic Abundance: 7×10-7 milligrams per liter Number of Stable Isotopes: 5 (View all isotope data) Ionization Energy: 6.150 eV Oxidation States: +3