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Properties of Palladium and Platinum

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Physical Properties

Melting Point
1,554.90 °C
22
1,772.00 °C
16
📊

Boiling Point
2,963.00 °C
33
3,827.00 °C
15
📊

Hardness

Mohs Hardness
4.75
9
3.50
11
📊

Brinell Hardness
320.00 MPa
33
300.00 MPa
34
📊

Vickers Hardness
121.00 MPa
36
400.00 MPa
25
📊

Optical Properties

Refractive Index
1.72
1
Not Available
📊

Reflectivity
84.00 %
4
73.00 %
8
📊

Speed of Sound
3,070.00 m/s
26
2,800.00 m/s
29
📊

Allotropes

α Allotropes
Not Available
Not Available

β Allotropes
Not Available
Not Available

γ Allotropes
Not Available
Not Available

Chemical Properties

Chemical Formula
Pd
Pt

Isotopes

Known Isotopes
38
1
35
4
📊

Electronegativity

Pauling Electronegativity
2.20
4
2.28
3
📊

Sanderson Electronegativity
Not Available
Not Available
📊

Allred Rochow Electronegativity
1.35
21
1.44
17
📊

Mulliken-Jaffe Electronegativity
Not Available
Not Available
📊

Allen Electronegativity
1.59
22
1.72
16
📊

Electropositivity

Pauling Electropositivity
1.80
99+
1.72
99+
📊

Ionization Energies

1st Energy Level
520.23 kJ/mol
99+
870.00 kJ/mol
10
📊

2nd Energy Level
7,298.22 kJ/mol
2
1,791.00 kJ/mol
21
📊

3rd Energy Level
11,815.13 kJ/mol
3
Not Available
📊

Electrochemical Equivalent
1.99 g/amp-hr
30
1.82 g/amp-hr
35
📊

Electron Work Function
5.12 eV
3
5.65 eV
1
📊

Other Chemical Properties
?
Stable metals are non radioactive metals and have zero valence electrons in the outer shell.Chemical Stability, 
?
Corrosion is a process which converts refined metals to their more stable forms, for example, its oxide and hydroxide. This process of metals getting corroded is a gradual destruction of metals by chemical reactions.Corrosion, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility
?
Stable metals are non radioactive metals and have zero valence electrons in the outer shell.Chemical Stability, 
?
Anti-corrosion metals have the protection on their surfaces which protect them from corroding in corrosive environments.Anti Corrosion, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization

Mechanical Properties

Density

Density At Room Temperature
12.02 g/cm3
29
21.45 g/cm3
11
📊

Density When Liquid (at m.p.)
10.38 g/cm3
17
19.77 g/cm3
2
📊

Vapor Pressure

Vapor Pressure at 1000 K
0.00 (Pa)
27
Not Available
📊

Vapor Pressure at 2000 K
0.00 (Pa)
30
0.07 (Pa)
18
📊

Tensile Strength
Not Available
125.00 MPa
14
📊

Viscosity
Not Available
Not Available
📊

Elasticity properties

Shear Modulus
44.00 GPa
17
61.00 GPa
14
📊

Bulk Modulus
180.00 GPa
9
230.00 GPa
6
📊

Young's Modulus
121.00 GPa
16
168.00 GPa
14
📊

Poisson Ratio
0.39
5
0.38
6
📊

Other Mechanical Properties
?
Ductility of metals defines their ability to deform under tensile stress; this is often characterized by the metals ability to be stretched into a wire.Ductile, 
?
Malleability of metals defines their ability to deform under compressive stress; this is often characterized by the metals ability to form a thin sheet by hammering or rolling.Malleable, 
?
Weldability of metals defines their ability to be welded.This property of metals also known as joinability.Weldable
?
Ductility of metals defines their ability to deform under tensile stress; this is often characterized by the metals ability to be stretched into a wire.Ductile, 
?
Malleability of metals defines their ability to deform under compressive stress; this is often characterized by the metals ability to form a thin sheet by hammering or rolling.Malleable

Periodic Table

Symbol
Pd
Pt

Group Number
10
8
10
8
📊

Period Number
5
6
📊

Block
?
The d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d block
?
The d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d block
📊

Element Family
?
What is Transition Metal? All transition metals are placed under the d-block from group number 3 to 12. Transition metals show characteristics like malleability, ductility and are good conductor of electricity.Transition Metal
?
What is Transition Metal? All transition metals are placed under the d-block from group number 3 to 12. Transition metals show characteristics like malleability, ductility and are good conductor of electricity.Transition Metal
📊

Atomic Properties

Atomic Number
46
99+
78
38
📊

Atomic Weight
106.42 amu
99+
47.87 amu
99+
📊

Atomic Volume
8.90 cm3/mol
99+
9.09 cm3/mol
99+
📊

Electron Configuration
[Kr] 4d10
[Xe] 4f14 5d9 6s1

Valence Electron Potential
33.00 (-eV)
99+
392.42 (-eV)
1
📊

Atom

Number of Protons
46
99+
78
38
📊

Number of Neutrons
60
99+
117
25
📊

Number of Electrons
46
99+
78
38
📊

Crystal Structure
?
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most common and simplest shapes found in crystals and minerals.Face Centered Cubic (FCC)
?
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most common and simplest shapes found in crystals and minerals.Face Centered Cubic (FCC)
📊

Crystal Lattice
FCC-Crystal-Structure-of-Palladium.jpg#100
FCC-Crystal-Structure-of-Platinum.jpg#100

Radius of an Atom

Atomic Radius
137.00 pm
40
139.00 pm
39
📊

Covalent Radius
139.00 pm
99+
136.00 pm
99+
📊

Van der Waals Radius
163.00 pm
40
175.00 pm
36
📊

Lattice Constant
389.07 pm
25
392.42 pm
24
📊

Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2

Lattice C/A Ratio
Not Available
Not Available
📊

Adjacent Atomic Numbers

Next Element

Previous Element

Magnetic Properties

Electrical Properties

Resistivity
105.40 nΩ·m
29
105.00 nΩ·m
30
📊

Electrical Conductivity
0.10 106/cm Ω
22
0.10 106/cm Ω
21
📊

Electron Affinity
54.23 kJ/mol
17
205.30 kJ/mol
2
📊

Electrical Property
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor
📊

Magnetic Characteristics

Specific Gravity
12.02
21
21.45
4
📊

Magnetic Ordering
?
Diamagnetic metals produce a magnetic field opposite to the applied magnetic field. Thus, they are repelled by magnets and show magnetic nature.Diamagnetic
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic
📊

Permeability
Not Available
0.00 H/m
3
📊

Susceptibility
Not Available
Not Available
📊

Thermal Properties

Specific Heat
0.24 J/(kg K)
23
0.13 J/(kg K)
39
📊

Thermal Conductivity
71.80 W/m·K
23
71.60 W/m·K
24
📊

Critical Temperature
Not Available
Not Available

Molar Heat Capacity
25.98 J/mol·K
33
25.86 J/mol·K
35
📊

Thermal Expansion
11.80 µm/(m·K)
33
8.80 µm/(m·K)
99+
📊

Standard Molar Entropy
37.60 J/mol.K
40
41.60 J/mol.K
36
📊

Enthalpy

Enthalpy of Vaporization
376.60 kJ/mol
19
510.50 kJ/mol
11
📊

Enthalpy of Fusion
16.74 kJ/mol
18
19.70 kJ/mol
12
📊

Enthalpy of Atomization
393.30 kJ/mol
22
565.00 kJ/mol
11
📊

Compare Properties of Periodic Table

Compare Properties of Periodic Table
Group →

Period ↓

1

2

3

4

5

6

7

1

H

2

3

La-Lu
Ac-Lr

4

5

6

7

8

9

10

11

12

13

B

14

C
Si
Ge

15

N
P
As
Sb

16

O
S
Se
Te

17

F
Cl
Br
I
At

18

He
Ne
Ar
Kr
Xe
Rn
Og

Characteristics of Palladium and Platinum

Different properties of Palladium and Platinum are explained here with the help of their physical characteristics, chemical characteristics, optical characteristics, magnetic characteristics, thermal characteristics, electrical characteristics, mechanical characteristics and atomic characteristics. Apart from their characteristics, you can explore Facts About Palladium and Platinum. Palladium belongs to Transition Metals whereas Platinum belongs to Transition Metal. All these characteristics of Palladium and Platinum are explained below.

Compare Properties of Palladium and Platinum

Compare properties of Palladium and Platinum on the basis of their various characteristics & significance. Melting point of Palladium is 1,554.90 °C whereas Platinum's is 1,772.00 °C. At room temperature, the density of Palladium is 12.02 g/cm3 and for Platinum, it's 21.45 g/cm3. Refractive index of 1st metal is 1.72 whereas 2nd is Not Available.

Other properties of Palladium and Platinum include its thermal, magnetic and electrical properties. Values for electrical resistivity are 105.40 nΩ·m for Palladium and 105.00 nΩ·m for Platinum. The electrical conductivity of former metal is 0.10 106/cm Ω and of latter is 0.10 106/cm Ω.