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Properties of Cadmium and Indium


Properties of Indium & Cadmium


Physical Properties

Melting Point
320.90 °C   
99+
156.61 °C   
99+

Boiling Point
765.00 °C   
99+
2,000.00 °C   
99+

Hardness
  
  

Mohs Hardness
2.00   
16
1.20   
20

Brinell Hardness
203.00 MPa   
39
8.80 MPa   
99+

Vickers Hardness
Not Available   
Not Available   

Optical Properties
  
  

Refractive Index
Not Available   
Not Available   

Reflectivity
67.00 %   
11
Not Available   

Speed of Sound
2,310.00 m/s   
39
1,215.00 m/s   
99+

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
Cd   
In   

Isotopes
  
  

Known Isotopes
34   
5
35   
4

Electronegativity
  
  

Pauling Electronegativity
1.69   
17
1.78   
16

Sanderson Electronegativity
1.98   
9
2.14   
8

Allred Rochow Electronegativity
1.46   
15
1.49   
13

Mulliken-Jaffe Electronegativity
1.53   
13
1.76   
10

Allen Electronegativity
1.52   
27
1.66   
18

Electropositivity
  
  

Pauling Electropositivity
2.31   
37
2.22   
38

Ionization Energies
  
  

1st Energy Level
867.80 kJ/mol   
11
558.30 kJ/mol   
99+

2nd Energy Level
1,631.40 kJ/mol   
32
1,820.70 kJ/mol   
18

3rd Energy Level
3,616.00 kJ/mol   
13
2,704.00 kJ/mol   
39

Electrochemical Equivalent
2.10 g/amp-hr   
27
1.43 g/amp-hr   
99+

Electron Work Function
4.22 eV   
22
4.12 eV   
24

Other Chemical Properties
?
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, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility
  
?
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, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces.Radioactivity, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility
  

Mechanical Properties

Density
  
  

Density At Room Temperature
8.65 g/cm3   
99+
7.31 g/cm3   
99+

Density When Liquid (at m.p.)
8.00 g/cm3   
28
7.02 g/cm3   
33

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.01 (Pa)   
11

Vapor Pressure at 2000 K
Not Available   
Not Available   

Tensile Strength
62.00 MPa   
16
2.50 MPa   
21

Viscosity
Not Available   
Not Available   

Elasticity properties
  
  

Shear Modulus
19.00 GPa   
35
Not Available   

Bulk Modulus
42.00 GPa   
29
Not Available   

Young's Modulus
50.00 GPa   
36
11.00 GPa   
99+

Poisson Ratio
0.30   
14
Not Available   

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
  
?
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
Cd   
In   

Group Number
12   
6
13   
5

Period Number
5   
5   

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 p-block is on the right side of the periodic table and includes elements from the six columns beginning with column 13 and ending with column 18. Helium, though being in the top of group 18, is not included in the p-block.p 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
  
?
All post transition metals are placed in group number 13, 14 and 15 of periodic table. In fact, they are located between Transition Metals and Metalloids. Post transition metals have very poor mechanical properties.Post-​Transition
  

Atomic Properties

Atomic Number
48   
99+
49   
99+

Atomic Weight
112.41 amu   
99+
114.82 amu   
99+

Atomic Volume
13.10 cm3/mol   
39
15.70 cm3/mol   
33

Electron Configuration
[Kr] 4d10 5s2   
[Kr] 4d10 5s2 5p1   

Valence Electron Potential
30.00 (-eV)   
99+
54.00 (-eV)   
25

Atom
  
  

Number of Protons
48   
99+
49   
99+

Number of Neutrons
64   
99+
66   
99+

Number of Electrons
48   
99+
49   
99+

Crystal Structure
?
The hexagonal crystal system consists of the 7 point groups such that all their space groups have the hexagonal lattice as underlying lattice. The hexagonal crystal family consists of the 12 point groups such that at least one of their space groups has theHexagonal Close Packed (HCP)
  
?
The tetragonal crystal structure occur as a result of stretching a cubic lattice along one of its lattice vectors due to which cube becomes a rectangular prism with a square shape at base.Tetragonal (TETR)
  

Crystal Lattice
HCP-Crystal-Structure-of-Cadmium.jpg#100   
TETR-Crystal-Structure-of-Indium.jpg#100   

Radius of an Atom
  
  

Atomic Radius
151.00 pm   
32
167.00 pm   
24

Covalent Radius
144.00 pm   
40
142.00 pm   
99+

Van der Waals Radius
158.00 pm   
99+
193.00 pm   
31

Lattice Constant
297.94 pm   
99+
325.23 pm   
99+

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   

Lattice C/A Ratio
1.89   
1
Not Available   

Adjacent Atomic Numbers
  
  

Next Element
Indium
  
Tin
  

Previous Element
Silver
  
Cadmium
  

Magnetic Properties

Electrical Properties
  
  

Resistivity
72.70 nΩ·m   
36
83.70 nΩ·m   
34

Electrical Conductivity
0.14 106/cm Ω   
15
0.12 106/cm Ω   
17

Electron Affinity
0.00 kJ/mol   
40
28.90 kJ/mol   
31

Electrical Property
?
Semiconductor metals have conductivity between that of a conductor and an insulator.Semiconductor
  
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor
  

Magnetic Characteristics
  
  

Specific Gravity
8.65   
36
7.31   
99+

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
  
?
Diamagnetic metals produce a magnetic field opposite to the applied magnetic field. Thus, they are repelled by magnets and show magnetic nature.Diamagnetic
  

Permeability
Not Available   
Not Available   

Susceptibility
Not Available   
Not Available   

Thermal Properties

Specific Heat
0.23 J/(kg K)   
26
0.23 J/(kg K)   
27

Thermal Conductivity
96.60 W/m·K   
16
81.80 W/m·K   
21

Critical Temperature
Not Available   
Not Available   

Molar Heat Capacity
26.02 J/mol·K   
32
26.74 J/mol·K   
25

Thermal Expansion
30.80 µm/(m·K)   
10
32.10 µm/(m·K)   
9

Standard Molar Entropy
51.80 J/mol.K   
27
57.80 J/mol.K   
22

Enthalpy
  
  

Enthalpy of Vaporization
100.00 kJ/mol   
99+
226.40 kJ/mol   
40

Enthalpy of Fusion
6.19 kJ/mol   
99+
3.28 kJ/mol   
99+

Enthalpy of Atomization
113.00 kJ/mol   
99+
242.70 kJ/mol   
99+

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