Neodymium Element (Periodic Table)

Neodymium

Neodymium (Nd) is a chemical element of the periodic table, located in the period 6, and has the atomic number 60. It is the fourth element in the lanthanide series. It is a soft, bright, silvery-white metal, whose name comes from the Greek word “neos didymos”, which means new twin. It is a highly reactive metal and is counted as one of the rare earth elements.

group
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
period
1
1
H
2
He
2
3
Li
4
Be
5
B
6
C
7
N
8
O
9
F
10
Ne
3
11
Na
12
Mg
13
Al
14
Si
15
P
16
S
17
Cl
18
Ar
4
19
K
20
Ca
21
Sc
22
Ti
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
31
Ga
32
Ge
33
As
34
Se
35
Br
36
Kr
5
37
Rb
38
Sr
39
Y
40
Zr
41
Nb
42
Mo
43
Tc
44
Ru
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Te
53
I
54
Xe
6
55
Cs
56
Ba
72
Hf
73
Ta
74
W
75
Re
76
Os
77
Ir
78
Pt
79
Au
80
Hg
81
Tl
82
Pb
83
Bi
84
Po
85
At
86
Rn
7
87
Fr
88
Ra
104
Rf
105
Db
106
Sg
107
Bh
108
Hs
109
Mt
110
Ds
111
Rg
112
Cn
113
Nh
114
Fl
115
Mc
116
Lv
117
Ts
118
Og
57
La
58
Ce
59
Pr
60
Nd
61
Pm
62
Sm
63
Eu
64
Gd
65
Tb
66
Dy
67
Ho
68
Er
69
Tm
70
Yb
71
Lu
89
Ac
90
Th
91
Pa
92
U
93
Np
94
Pu
95
Am
96
Cm
97
Bk
98
Cf
99
Es
100
Fm
101
Md
102
No
103
Lr
– f block

FAQs on Neodymium Element

Neodymium
‣ What does neodymium look like?

Appearance: silvery white
‣ Who discovered neodymium? When was the element neodymium discovered?

Discovery: Carl Auer von Welsbach (1885)
‣ Where is neodymium on the periodic table?

Neodymium Periodic Table

Location: Neodymium is found in the sixth row of the periodic table, next to the praseodymium element.
‣ What is neodymium atomic number?

Atomic number (Z): 60
‣ What is the element symbol for neodymium?

Symbol: Nd
Neodymium atomic weight: 144.242
‣ Which block does neodymium belong to?

Block: f-block
‣ What period is neodymium in the periodic table?

Period: 6
‣ What is the atomic radius for neodymium?

Atomic radius: empirical: 181 pm
Neodymium covalent radius: 201±6 pm
‣ What is neodymium melting point?

Melting point: 1297 K (1024 °C, 1875 °F)
‣ What is neodymium boiling point?

Boiling point: 3347 K (3074 °C, 5565 °F)
‣ How many electron shells does neodymium have?

Electrons per shell: 2, 8, 18, 22, 8, 2
‣ What is the electron configuration of neodymium?

Electron configuration: [Xe] 4f4 6s2
‣ What is the ionization energy of neodymium?

Ionization energies:
1st: 533.1 kJ/mol
2nd: 1040 kJ/mol
3rd: 2130 kJ/mol
‣ What is the phase of neodymium?

Phase (at r.t): solid
Neodymium density (near r.t): 7.01 g/cm3
when liquid (at m.p): 6.89 g/cm3
Neodymium magnetic ordering: paramagnetic, antiferromagnetic below 20 K
Neodymium natural occurrence: primordial
Neodymium oxidation state: +2, +3
Neodymium electronegativity: Pauling scale: 1.14
Neodymium poisson’s ratio: α form: 0.281
Neodymium heat of fusion: 7.14 kJ/mol
Neodymium heat of vaporization: 289 kJ/mol
Neodymium molar heat capacity: 27.45 J/(mol K)
Neodymium molar magnetic susceptibility: +5628.0 × 10-6 cm3/mol (287.7 K)
Speed of sound in neodymium: 2330 m/s (at 20 °C)
‣ What is the crystal structure of neodymium?

Crystal structure: double hexagonal close-packed (dhcp)
Thermal expansion of neodymium: α, poly: 9.6 µm/(m.K) (at r.t)
Thermal conductivity of neodymium: 16.5 W/(m.K)
Neodymium electrical resistivity: α, poly: 643 nΩ.m
‣ Neodymium hardness

Vickers hardness: 345-745 MPa
Brinell hardness: 265-700 MPa
Young’s modulus of neodymium: α form: 41.4 GPa
Shear modulus of neodymium: α form: 16.3 GPa
Bulk modulus of neodymium: α form: 31.8 GPa
Neodymium CAS number: 7440-00-8

‣ Neodymium vapor pressure

Vapor pressure
P (Pa)1101001 k10 k100 k
at T (K)159517741998(2296)(2715)(3336)

‣ How many isotopes does neodymium have?

Main isotopes of neodymium
IsotopeAbundanceHalf-life (t1/2)Decay modeProduct
142Nd27.2 %stable
143Nd12.2 %stable
144Nd23.8 %2.29 × 1015 yα140Ce
145Nd8.3 %stable
146Nd17.2 %stable
148Nd5.8 %2.7 × 1018 yββ148Sm
150Nd5.6 %21 × 1018 yββ150Sm

.
.
.

Related:

Also Read:

Leave a Comment