neodymium

Name neodymium
Symbol Nd
Atomic Weight 144.24
Atomic Number 60
CAS ID 7440-00-8
Group Number
Group Name Lanthanoid
Period Number 6
Origin of Name Greek, neos didymos = "new twin"
Year Discovered 1885
Discovery Credits Separated by Baron Auer von Welshach at Vienna, Austria
Class Metallic
Color Silvery White, Yellowish Tinge
Standard State Solid at 77 F & 298 K
Description Silvery-white metal of the lanthanide (rare earth) group. Tarnishes in air, reacts slowly with cold water, rapidly with hot. Used in alloys for permanent-magnets, flints, glazes, and glass.

Diagnostic tests: 
There are no simple diagnostic tests to identify neodymium.
X-ray fluorescence spectroscopy is commonly employed to identify and analyze members of the Rare-Earth group elements.

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