Nb	Z =  41	◊ ◊ ◊ ◊ ◊	Niobium
			From the Greek "Niobe", meaning "snowy"
(AM) Atomic Mass	92.90638  amu	♦	Oxidation States	+3, +5
(BP) Boiling Point	4742  °C	♦	(MP) Melting Point	2468  °C
(ρ) Density	8.66  g/cm3	♦	Crystal Structure	Body Centered Cubic
( χ ) Electronegativity	1.6	♦	(AR) Atomic Radius	1.37  Å
Physical State	Solid	♦	(C) Heat Capacity	0.265  J/g °C
Electronic-Config	[Kr]  4d4  5s1	♦	(I1) First Ionization E	663.82  kJ/mol
(ΔHvap) Heat of Vaporization	689.9  kJ/mol	♦	(ΔHfus) Heat of Fusion	30  kJ/mol
Year of Discovery	1801	♦	Location of Discovery	England
(E°) Standard Potential	Nb3+⇔ Nb (-1.099 V)
Stable isotopes	93Nb
Discovered/Synthesized by	Charles Hatchett
Natural Source	The mineral/ore pyrochlore
Common Uses	Chemical pipelines, superconductors, magnetic levitation trains, MRI magnets
Other Info	Named after the Greek goddess Niobe
Previous Element				Next Element
Back to Table				Common Properties
Home Page				Definitions