The Element Gadolinium


This is one of the rare earth metals which is relatively stable in dry air. Gadolinium is also an element that can never be found in free state under natural conditions. Monazite and bastnasite contain significant amounts of Gadolinium and used for commercial extraction. The processing techniques called ion exchange and solvent extraction is used for extracting Gadolinium from the minerals.

One major application of this element is in the field of production of color TV tubes. When it comes to computer industry, Gadolinium is used for making compact discs and computer memory. In the field of medicine, this element is used in MRI scanners.

Atomic Number & Chemical Properties


Element Basics:

Chemical Symbol: Gd
Atomic Number: 64
Atomic Weight: 157.25
Element Classification: Rare Earth Element (Lanthanide Series)
Discovered By: Jean de Marignac
Date of Discovery: 1880 (Switzerland)
Origin of Name: Named after the mineral gadolinite.

How to Recognize it at a Party:

Soft, ductile, silvery-white metal

Seriously Atomic Information:

Density (g/cc): 7.900
Melting Point (°K): 1586
Boiling Point (°K): 3539
Atomic Radius (pm): 179
Atomic Volume (cc/mol): 19.9
Covalent Radius (pm): 161
Ionic Radius: 93.8 (+3e)
Pauling Negativity Number: 1.20
First Ionizing Energy (kJ/mol): 594.2
Oxidation States: 3
Electronic Configuration: [Xe] 4f7 5d1 6s2

Getting Intimate with Gadolinium:

Lattice Structure: Hexagonal (HEX)
Lattice Constant (Å): 3.640
Lattice C/A Ratio: 1.588
Specific Heat (@20°C J/g mol): 0.230
Fusion Heat (kJ/mol): n/a
Evaporation Heat (kJ/mol): 398
Thermal Conductivity (@25°C W/m K):
Debye Temperature (°K): n/a


Society's Questions About Gadolinium:

Have you ever wondered what everyone else in the world thinks about Gadolinium? Is anyone else looking for it too? If so, why? What do they want?

The following list shows the most common online questions about the element Gadolinium. Are your questions the same or different from everyone else's?

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