What is Gadolinium?

Gadolinium, the sixty-fourth element on the periodic table, is a silvery lanthanide. It's magnetic, neutron-absorbing, and a star in medical imaging.

Atomic Number: 64

Symbol: Gd

Atomic Mass: 157.25 u

Category: Lanthanide

State at Room Temperature: Solid

Discovered By: Jean Charles Galissard de Marignac (1880)

⚛️ Atomic Structure of Gadolinium

Gadolinium has sixty-four protons, ninety-three neutrons (in its most common isotope, Gadolinium-157), and sixty-four electrons, with seven in its outer shell.

💡 Did you know? Gadolinium's magnetic properties make it ideal for MRI contrast agents!

🔬 Gadolinium Properties

Gadolinium is soft, malleable, and reactive. It melts at 1313°C (2395°F), is ferromagnetic below 20°C, and oxidizes in moist air.

🧪 How Was Gadolinium Discovered?

In 1880, Swiss chemist Jean Charles Galissard de Marignac detected Gadolinium in gadolinite via spectroscopy, later isolated by Lecoq de Boisbaudran, and named after mineralogist Johan Gadolin.

⚡ Uses of Gadolinium

💡 Fun Facts About Gadolinium

⚠️ Safety & Precautions

Gadolinium is reactive and can ignite as powder. It's mildly toxic; handle with gloves, avoid inhalation, and use caution with medical compounds.

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