Gadolinium (Gd) is a lanthanide (inner transition metal), with atomic number 64 and atomic mass 157.2500 u. This sheet describes its essential properties, periodic position and physical characteristics.
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Astronomy · Chemical element
Gadolinium
EL1S
Identity
Name: Gadolinium
Symbol: Gd
Atomic number: 64
Atomic mass: 157.2500 u
Position in the periodic table
Block: f (Lanthanide)
Period: 6
Category: Inner transition metal
Physico-chemical properties
Standard state: Solid
Melting point: 1313°C
Density: 7.90 g/cm³
Electron configuration: [Xe] 4f⁷ 5d¹ 6s²
Scientific description
Gadolinium is a chemical element belonging to the lanthanides.
It has the symbol Gd, atomic number 64, and a standard atomic mass of 157.2500 u.