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Palladium vs Bismuth

Palladium
Bismuth
Bismuth vs Palladium


Periodic Table
Symbol
Pd   
Bi   
Group Number
10   
8
15   
3
Period Number
5   
6   
Block
d block   
p block   
Element Family
Transition Metal   
Post-​Transition   
CAS Number
7440053   
99+
7440699   
22
Space Group Name
Fm_ 3m   
C12/m1   
Space Group Number
225.00   
2
12.00   
12
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
  
  • Bismuth metal is soluble and reacts with concentrated nitric acid.
  • It oxides are used as a yellow pigment in paint. Bismuth chloride oxide BiClO gives a pearly texture to cosmetics.
  
Sources
Ores of metals   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
William Hyde Wollaston   
Claude François Geoffroy   
Discovery
In 1803   
In 1753   
Abundance
  
  
Abundance In Universe
2 * 10-7 %   
22
7 * 10-8 %   
25
Abundance In Sun
~0.0000003 %   
24
~0.000006 %   
14
Abundance In Meteorites
0.00 %   
99+
0.00 %   
99+
Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
99+
Abundance In Oceans
Not Available   
0.00 %   
24
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.
  
  • Tin and bismuth alloys have a very low melting point and hence it is used in fire detector and the fire extinguishers. It also used in electric solders and fuses.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Electronic Industry   
Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Medical Uses
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   
Pharmaceutical Industry   
Other Uses
Coinage, Bullion, Jewellery   
Alloys   
Biological Properties
  
  
Toxicity
Toxic   
Low Toxic   
Present in Human Body
No   
Yes   
In Blood
Not Available   
0.02 Blood/mg dm-3   
20
In Bone
Not Available   
0.20 p.p.m.   
22
Physical Properties
Melting Point
1,554.90 °C   
22
271.30 °C   
99+
Boiling Point
2,963.00 °C   
33
1,560.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silver   
Silver   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
4.75   
9
2.25   
15
Brinell Hardness
320.00 MPa   
33
70.00 MPa   
99+
Vickers Hardness
121.00 MPa   
36
Not Available   
Speed of Sound
3,070.00 m/s   
26
1,790.00 m/s   
99+
Optical Properties
  
  
Refractive Index
1.72   
1
Not Available   
Reflectivity
84.00 %   
4
Not Available   
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   
Bi   
Isotopes
  
  
Known Isotopes
38   
1
33   
6
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
2.02   
6
Sanderson Electronegativity
Not Available   
2.34   
3
Allred Rochow Electronegativity
1.35   
21
1.67   
6
Mulliken-Jaffe Electronegativity
Not Available   
2.15   
4
Allen Electronegativity
1.59   
22
2.01   
4
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
1.98   
99+
Ionization Energies
  
  
1st Energy Level
520.23 kJ/mol   
99+
703.00 kJ/mol   
35
2nd Energy Level
7,298.22 kJ/mol   
2
1,610.00 kJ/mol   
33
3rd Energy Level
11,815.13 kJ/mol   
3
2,466.00 kJ/mol   
99+
4th Energy Level
Not Available   
4,370.00 kJ/mol   
28
5th Energy Level
Not Available   
5,400.00 kJ/mol   
30
6th Energy Level
Not Available   
8,520.00 kJ/mol   
19
Electrochemical Equivalent
1.99 g/amp-hr   
30
2.60 g/amp-hr   
19
Electron Work Function
5.12 eV   
3
4.22 eV   
22
Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Solubility   
Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
46   
99+
83   
33
Electron Configuration
[Kr] 4d10   
[Xe] 4f14 5d10 6s2 6p3   
Crystal Structure
Face Centered Cubic (FCC)   
Rhombohedral (RHO)   
Crystal Lattice
FCC-Crystal-Structure-of-Palladium.jpg#100   
RHO-Crystal-Structure-of-Bismuth.jpg#100   
Atom
  
  
Number of Protons
46   
99+
83   
33
Number of Neutrons
60   
99+
126   
18
Number of Electrons
46   
99+
83   
33
Radius of an Atom
  
  
Atomic Radius
137.00 pm   
40
156.00 pm   
29
Covalent Radius
139.00 pm   
99+
148.00 pm   
36
Van der Waals Radius
163.00 pm   
40
207.00 pm   
26
Atomic Weight
106.42 amu   
99+
208.98 amu   
29
Atomic Volume
8.90 cm3/mol   
99+
21.30 cm3/mol   
14
Adjacent Atomic Numbers
  
  
Previous Element
Rhodium
  
Lead
  
Next Element
Silver
  
Polonium
  
Valence Electron Potential
33.00 (-eV)   
99+
41.90 (-eV)   
99+
Lattice Constant
389.07 pm   
25
667.40 pm   
2
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
12.02 g/cm3   
29
9.78 g/cm3   
39
Density When Liquid (at m.p.)
10.38 g/cm3   
17
10.05 g/cm3   
18
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
27
Not Available   
Vapor Pressure at 2000 K
0.00 (Pa)   
30
Not Available   
Elasticity properties
  
  
Shear Modulus
44.00 GPa   
17
12.00 GPa   
99+
Bulk Modulus
180.00 GPa   
9
31.00 GPa   
38
Young's Modulus
121.00 GPa   
16
32.00 GPa   
99+
Poisson Ratio
0.39   
5
0.33   
11
Other Mechanical Properties
Ductile, Malleable, Weldable   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
12.02   
21
9.79   
30
Magnetic Ordering
Diamagnetic   
Diamagnetic   
Permeability
Not Available   
0.00 H/m   
6
Susceptibility
Not Available   
0.00   
6
Electrical Properties
  
  
Electrical Property
Conductor   
Semiconductor   
Resistivity
105.40 nΩ·m   
29
1.29 nΩ·m   
99+
Electrical Conductivity
0.10 106/cm Ω   
22
0.01 106/cm Ω   
99+
Electron Affinity
54.23 kJ/mol   
17
91.20 kJ/mol   
11
Thermal Properties
Specific Heat
0.24 J/(kg K)   
23
0.12 J/(kg K)   
40
Molar Heat Capacity
25.98 J/mol·K   
33
25.52 J/mol·K   
37
Thermal Conductivity
71.80 W/m·K   
23
7.97 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
11.80 µm/(m·K)   
33
13.40 µm/(m·K)   
28
Enthalpy
  
  
Enthalpy of Vaporization
376.60 kJ/mol   
19
151.00 kJ/mol   
99+
Enthalpy of Fusion
16.74 kJ/mol   
18
10.90 kJ/mol   
33
Enthalpy of Atomization
393.30 kJ/mol   
22
207.10 kJ/mol   
99+
Standard Molar Entropy
37.60 J/mol.K   
40
56.70 J/mol.K   
24
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