Sunday, 14 August 2011

Niobium (Nb)

Atomic Number: 41

Relative Atomic Mass: 92.90638

Electronegativity: 1.60

Atomic Radius (Picometers): 145

Appearance: Grey-Metallic

Occurrence: Natural

Melting Point (Kelvin): 2750

Boiling Point (Kelvin): 5017

Stable Isotopes: 93

Discoverer: Charles Hatchett in 1801

Properties: Lustrous, Ductile

First Use: Incandescent Lamp Filaments (Early 20th Century)

Modern Uses: Superconducting Magnets, Electroceramics

File:Niobium crystals and 1cm3 cube.jpg

Picture Courtesy of Alchemist-hp

©2011 Grant Dwyer

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