Electronic data		Thermal data		Steric data
Shells: 2,8,18,22,8,2 Orbitals: [Xe] 4f4 6s2 Electronegativity: 1.1, -- 1. Ionization potential: 5.5250 eV 2. Ionization potential: 10.727 eV 3. Ionization potential: 22.076 eV Oxidation states: 3 Electrical conductivity: 0.0157 10^6		Melting point: 1021 °C Boiling point: 3074 °C Specific heat: 0.19 J/gK Heat of fusion: 7.140 kJ/mol Heat of vaporization: 273.0 kJ/mol Thermal conductivity: 0.165 W/cmK		Atomic radius: 2.64 Å Ionic radius: -- Å () Covalent radius: 1.64 Å Atomic volume: 20.6 cm³/mol Density (293 K): 7.0 g/cm³ Crystal structure: Hexagonal

Legend     Pocket calculator

Nuclide	Abundance [%]	Mass	Spin	Halflife	Decay mode	Decay tree
142Nd	27.11	141.908	0	--	stable	--
143Nd	12.17	142.91	7/2	--	stable	--
144Nd	23.85	143.91	0	2.1E15y		View
145Nd	8.3	144.913	7/2	--	stable	--
146Nd	17.22	145.913	0	--	stable	--
147Nd	0	147	5/2	10.98d	-	View
148Nd	5.73	147.917	0	--	stable	--
149Nd	0	149	5/2	1.72h	-	View
150Nd	5.62	149.921	0	--	stable	--

Legend

Name origin:	Greek: neos and didymos (new twin).
Description:	Silvery-white, rare-earth metal that oxidizes easily in air.
Discovered by:	C.F. Aver von Welsbach
Year:	1925
Place:	Austria
Sources:	Made from electrolysis of its halide salts, which are made from monazite sand.
Use(s):	Used in making artificial ruby for lasers. Also in ceramics and for a special lens with praseodymium. Also to produce bright purple glass and special glass that filters infrared radiation. Makes up 18% of Mich metal, which is used in making steel.