Palladium Element (Periodic Table)

Palladium

Palladium (Pd) is a chemical element of the periodic table, located in the group 10 and the period 5, and has the atomic number 46. It is a rare, lustrous, silvery-white transition metal, which is named after the asteroid Pallas.

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
– d block

FAQs on Palladium Element

Palladium
‣ What does palladium look like?

Appearance: silvery white
‣ Who discovered palladium? When was palladium discovered?

Discovery and first isolation: William Hyde Wollaston (1802)
‣ Where is palladium found on the periodic table?

Palladium Periodic Table

Location: Palladium is found in the tenth column of the periodic table, next to the rhodium element.
‣ What is the atomic number of palladium?

Atomic number (Z): 46
‣ What is the symbol of palladium?

Symbol: Pd
Palladium atomic weight: 106.42
‣ What block does palladium belong to?

Block: d-block
‣ What group is palladium in on the periodic table?

Group: 10
‣ What period is palladium in on the periodic table?

Period: 5
‣ What is the atomic radius of palladium?

Atomic radius: empirical: 137 pm
Palladium covalent radius: 139±6 pm
Palladium Van der Waals radius: 163 pm
‣ What is the melting point of palladium?

Melting point: 1828.05 K (1554.9 °C, 2830.82 °F)
‣ What is the boiling point of palladium?

Boiling point: 3236 K (2963 °C, 5365 °F)
‣ How many electron shells are in palladium?

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

Electron configuration: [Kr] 4d10
‣ What is the ionization energy of palladium?

Ionization energies:
1st: 804.4 kJ/mol
2nd: 1870 kJ/mol
3rd: 3177 kJ/mol
‣ What is the phase of palladium?

Phase (at r.t): solid
‣ What is the density of palladium?

Density (near r.t): 12.023 g/cm3
when liquid (at m.p): 10.38 g/cm3
Palladium magnetic ordering: paramagnetic
Palladium natural occurrence: primordial
‣ What is the oxidation state of palladium?

Oxidation state: 0, +2
‣ What’s the electronegativity of palladium?

Electronegativity: Pauling scale: 2.20
Palladium poisson’s ratio: 0.39
Palladium heat of fusion: 16.74 kJ/mol
Palladium heat of vaporization: 358 kJ/mol
Palladium molar heat capacity: 25.98 J/(mol K)
Palladium molar magnetic susceptibility: +567.4 × 10-6 cm3/mol (288 K)
Speed of sound in palladium: 3070 m/s (at 20 °C)
‣ What is the crystal structure of palladium?

Crystal structure: face-centered cubic (fcc)
Thermal expansion of palladium: 11.8 µm/(m.K) (at 25 °C)
Thermal conductivity of palladium: 71.8 W/(m.K)
Palladium electrical resistivity: 105.4 nΩ.m (at 20 °C)
‣ Palladium hardness

Mohs hardness: 4.75
Vickers hardness: 400-600 MPa
Brinell hardness: 320-610 MPa
Young’s modulus of palladium: 121 GPa
Shear modulus of palladium: 44 GPa
Bulk modulus of palladium: 180 GPa
Palladium CAS number: 7440-05-3

‣ Palladium vapor pressure

Vapor pressure
P (Pa)1101001 k10 k100 k
at T (K)172718972117239525733234

‣ How many isotopes does palladium have?

Main isotopes of palladium
IsotopeAbundanceHalf-life (t1/2)Decay modeProduct
100Pdsyn3.63 dε
γ
100Rh
102Pd1.02 %stable
103Pdsyn16.991 dε103Rh
104Pd11.14 %stable
105Pd22.33 %stable
106Pd27.33 %stable
107Pdtrace6.5 × 106 yβ107Ag
108Pd26.46 %stable
110Pd11.72 %stable

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