Niobium

created by Webster 1913

(thing) by CentrX (8.3 mon) (print) ? (I like it!) 1 C! Wed Nov 29 2000 at 21:30:13

(So named (Greek Niobe) in 1844 by Heinrich Rose because of its close relationship with tantalum) A gray or white, metallic chemical element, somewhat ductile and malleable, used in steel alloys, superconducting alloys, in jet engines and rockets, etc.

(thing) by SSMark82 (1.8 y) (print) ? (I like it!) Thu Dec 07 2000 at 3:14:28

Niobium
Symbol: Nb
Atomic Number: 41
Atomic Weight: 92.9064
Boiling Point: 5015 K
Melting Point: 2742 K
Density at 300K: 8.57 g/cm³
Covalent radius: 1.34
Atomic radius: 2.08
Atomic volume: 10.80 cm³/mol
First ionization potental: 6.88 V
Specific heat capacity: 0.265 Jg^-1K^-1
Thermal conductivity: 53.7 Wm^-1K^-1
Electrical conductivity: 6.6 10⁶Ω^-1m^-1
Heat of fusion: 26.9 kJ/mol
Heat of vaporization: 690.1 kJ/mol
Electronegativity: 1.6 (Pauling's)

(definition) by Webster 1913 (print) Wed Dec 22 1999 at 1:26:45

Ni*o"bi*um (?), n. [NL., fr. L. & E. Niobe.] Chem.

A later name of columbium. See Columbium.

Columbium	I got pierced	Molybdenum	Tantalum
Metals present in a modern car	Orbital Maneuvering System	Osmium	June 19, 2005
Hafnium	Niobe	Selenium	Zirconium
body jewelry	Nitrogen	A day in the life of Everything, Kansas	Neodymium
NMR	The Devil's Dictionary	titanium	Petiole
Barium	hypoallergenic	Nb	quasit

Y'know, if you log in, you can write something here, or contact authors directly on the site. Create a New User if you don't already have an account.

Login
Password

Glowing Fish
Tualatin River	(place)
The Jacket
Words of Advice	(idea)
John_Fox
Good Intentions Gone Wrong	(person)
Cuckowski
Slavonic Princess	(poetry)
Heitah
Posthumous Oscar	(thing)
ignis_glaciesque
University of South Florida	(place)
ignis_glaciesque
Flogstaskriket	(idea)
liveforever
Caesar's last breath	(idea)
dagnyswaggart
she wants to believe	(personal)
antigravpussy
he doesn't know, but her eyes widen too far	(thing)
dagnyswaggart
Wild tides guard her secrets	(poetry)
Lord Brawl
Caesar's last breath	(poetry)
locke baron
Forgotten things in space	(fiction)
sitaraika
Colours	(idea)
etouffee
Wild tides guard her secrets	(poetry)

This affordable entertainment brought to you by The Everything Development Company