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Palladium vs Copper


Copper vs Palladium


Periodic Table

Symbol
Pd   
Cu   

Group Number
10   
8
11   
7

Period Number
5   
4   

Block
d block   
d block   

Element Family
Transition Metal   
Transition Metal   

CAS Number
7440053   
99+
7440508   
37

Space Group Name
Fm_ 3m   
Fm_ 3m   

Space Group Number
225.00   
2
225.00   
2

Facts

Interesting Facts
  • Palladium alloys are used for Jewelry contains (95% Palladium and 5% Ruthenium)
  • In the late 1800s, Palladium metal used have more economical value than the Platinum metal.
  • Palladium element is known as a good catalyst
  
  • Copper rarely found in its pure form in nature.
  • Copper Sulfate is mostly used in agricultural poison and as an algicide in water purification system.
  

Sources
Ores of metals   
Found in Minerals   

History
  
  

Who Discovered
William Hyde Wollaston   
Unknown   

Discovery
In 1803   
In Middle East (9000 BCE)   

Abundance
  
  

Abundance In Universe
2 * 10-7 %   
22
6 * 10-6 %   
12

Abundance In Sun
~0.0000003 %   
24
~0.00007 %   
12

Abundance In Meteorites
0.00 %   
99+
0.01 %   
13

Abundance In Earth's Crust
0.00 %   
99+
0.01 %   
17

Abundance In Oceans
Not Available   
0.00 %   
8

Abundance In Humans
Not Available   
0.00 %   
9

Uses

Uses & Benefits
  • Mostly palladium metal is used in catalytic converters. In electronic industry it is used in ceramic capacitors of mobile and computer.
  • It is used in jewellery and dental fillings and crowns.
  
  • It is use for coinage and bullion.
  • Most of copper element is used in manufacturing electrical and electronic equipments such as wirings and components. It is also used in construction and industrial machine.
  

Industrial Uses
Aerospace Industry, Automobile Industry, Electronic Industry   
Chemical Industry, Electronic Industry   

Medical Uses
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   
NA   

Other Uses
Coinage, Bullion, Jewellery   
Alloys, Coinage, Jewellery   

Biological Properties
  
  

Toxicity
Toxic   
Non Toxic   

Present in Human Body
No   
Yes   

In Blood
Not Available   
1.01 Blood/mg dm-3   
8

In Bone
Not Available   
26.00 p.p.m.   
12

Physical Properties

Melting Point
1,554.90 °C   
22
1,084.62 °C   
40

Boiling Point
2,963.00 °C   
33
2,562.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Copper   

Luster
Metallic   
NA   

Hardness
  
  

Mohs Hardness
4.75   
9
3.00   
12

Brinell Hardness
320.00 MPa   
33
235.00 MPa   
38

Vickers Hardness
121.00 MPa   
36
343.00 MPa   
28

Speed of Sound
3,070.00 m/s   
26
3,810.00 m/s   
19

Optical Properties
  
  

Refractive Index
1.72   
1
Not Available   

Reflectivity
84.00 %   
4
90.00 %   
3

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

Chemical Properties

Chemical Formula
Pd   
Cu   

Isotopes
  
  

Known Isotopes
38   
1
29   
10

Electronegativity
  
  

Pauling Electronegativity
2.20   
4
1.90   
11

Sanderson Electronegativity
Not Available   
1.98   
9

Allred Rochow Electronegativity
1.35   
21
1.75   
3

Mulliken-Jaffe Electronegativity
Not Available   
1.49   
14

Allen Electronegativity
1.59   
22
1.85   
9

Electropositivity
  
  

Pauling Electropositivity
1.80   
99+
2.10   
99+

Ionization Energies
  
  

1st Energy Level
520.23 kJ/mol   
99+
745.50 kJ/mol   
22

2nd Energy Level
7,298.22 kJ/mol   
2
1,957.90 kJ/mol   
15

3rd Energy Level
11,815.13 kJ/mol   
3
3,555.00 kJ/mol   
15

4th Energy Level
Not Available   
5,536.00 kJ/mol   
12

5th Energy Level
Not Available   
7,700.00 kJ/mol   
11

6th Energy Level
Not Available   
9,900.00 kJ/mol   
10

7th Energy level
Not Available   
13,400.00 kJ/mol   
7

8th Energy Level
Not Available   
16,000.00 kJ/mol   
9

9th Energy Level
Not Available   
19,200.00 kJ/mol   
9

10th Energy Level
Not Available   
22,400.00 kJ/mol   
11

11th Energy Level
Not Available   
25,600.00 kJ/mol   
13

12th Energy Level
Not Available   
35,600.00 kJ/mol   
6

13th Energy Level
Not Available   
38,700.00 kJ/mol   
6

14th Energy Level
Not Available   
42,000.00 kJ/mol   
7

15th Energy Level
Not Available   
46,700.00 kJ/mol   
9

16th Energy Level
Not Available   
50,200.00 kJ/mol   
10

17th Energy Level
Not Available   
53,700.00 kJ/mol   
12

18th Energy Level
Not Available   
61,100.00 kJ/mol   
10

19th Energy Level
Not Available   
64,702.00 kJ/mol   
11

20th Energy Level
Not Available   
163,700.00 kJ/mol   
2

21st Energy Level
Not Available   
174,100.00 kJ/mol   
2

22nd Energy Level
Not Available   
184,900.00 kJ/mol   
1

23rd Energy Level
Not Available   
198,800.00 kJ/mol   
1

Electrochemical Equivalent
1.99 g/amp-hr   
30
1.19 g/amp-hr   
99+

Electron Work Function
5.12 eV   
3
4.65 eV   
11

Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Solubility   
Chemical Stability, Corrosion, Ionization, Solubility   

Atomic Properties

Atomic Number
46   
99+
29   
99+

Electron Configuration
[Kr] 4d10   
[Ar] 3d10 4s1   

Crystal Structure
Face Centered Cubic (FCC)   
Face Centered Cubic (FCC)   

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

Atom
  
  

Number of Protons
46   
99+
29   
99+

Number of Neutrons
60   
99+
35   
99+

Number of Electrons
46   
99+
29   
99+

Radius of an Atom
  
  

Atomic Radius
137.00 pm   
40
128.00 pm   
99+

Covalent Radius
139.00 pm   
99+
132.00 pm   
99+

Van der Waals Radius
163.00 pm   
40
140.00 pm   
99+

Atomic Weight
106.42 amu   
99+
63.55 amu   
99+

Atomic Volume
8.90 cm3/mol   
99+
7.10 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Rhodium
  
Nickel
  

Next Element
Silver
  
Zinc
  

Valence Electron Potential
33.00 (-eV)   
99+
34.00 (-eV)   
99+

Lattice Constant
389.07 pm   
25
361.49 pm   
35

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

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
12.02 g/cm3   
29
8.96 g/cm3   
99+

Density When Liquid (at m.p.)
10.38 g/cm3   
17
8.02 g/cm3   
27

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)   
27
1.53 (Pa)   
8

Vapor Pressure at 2000 K
0.00 (Pa)   
30
Not Available   

Elasticity properties
  
  

Shear Modulus
44.00 GPa   
17
48.00 GPa   
15

Bulk Modulus
180.00 GPa   
9
140.00 GPa   
12

Young's Modulus
121.00 GPa   
16
120.00 GPa   
17

Poisson Ratio
0.39   
5
0.34   
10

Other Mechanical Properties
Ductile, Malleable, Weldable   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
12.02   
21
8.89   
34

Magnetic Ordering
Diamagnetic   
Diamagnetic   

Permeability
Not Available   
1.256629 * 10-6 H/m   
5

Susceptibility
Not Available   
-9.63 * 10-6   
4

Electrical Properties
  
  

Electrical Property
Conductor   
Conductor   

Resistivity
105.40 nΩ·m   
29
16.78 nΩ·m   
99+

Electrical Conductivity
0.10 106/cm Ω   
22
0.60 106/cm Ω   
2

Electron Affinity
54.23 kJ/mol   
17
222.80 kJ/mol   
1

Thermal Properties

Specific Heat
0.24 J/(kg K)   
23
0.38 J/(kg K)   
15

Molar Heat Capacity
25.98 J/mol·K   
33
24.44 J/mol·K   
99+

Thermal Conductivity
71.80 W/m·K   
23
401.00 W/m·K   
2

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
11.80 µm/(m·K)   
33
16.50 µm/(m·K)   
25

Enthalpy
  
  

Enthalpy of Vaporization
376.60 kJ/mol   
19
283.70 kJ/mol   
33

Enthalpy of Fusion
16.74 kJ/mol   
18
7.11 kJ/mol   
99+

Enthalpy of Atomization
393.30 kJ/mol   
22
338.90 kJ/mol   
29

Standard Molar Entropy
37.60 J/mol.K   
40
33.20 J/mol.K   
99+

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