Gadolinium
Contributor: Kristin Kirschbaum
About the Contributor: Kristin Kirschbaum is the director of the Instrumentation Center at the University of Toledo.
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Symbol: Gd
Atomic Number: 64
Atomic Mass: 157.25 u
Electron Configuration: [Xe] 4f75d16s2
Year Discovered: 1880
Discovered By: Jean Charles Galissard de Marignac