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Properties of Tungsten and Tin


Tin
Properties of Tin & Tungsten


Physical Properties

Melting Point
3,410.00 °C   
1
231.90 °C   
99+

Boiling Point
5,660.00 °C   
1
2,270.00 °C   
99+

Hardness
  
  

Mohs Hardness
7.50   
2
1.50   
18

Brinell Hardness
2,000.00 MPa   
4
50.00 MPa   
99+

Vickers Hardness
3,430.00 MPa   
1
Not Available   

Optical Properties
  
  

Refractive Index
Not Available   
Not Available   

Reflectivity
62.00 %   
13
Not Available   

Speed of Sound
4,620.00 m/s   
16
2,730.00 m/s   
32

Allotropes
No   
Yes   

α Allotropes
Not Available   
Grey Tin (Alpha Tin, Tin Pest)   

β Allotropes
Not Available   
White Tin (Beta Tin)   

γ Allotropes
Not Available   
Rhombic Tin (Gamma Tin)   

Chemical Properties

Chemical Formula
W   
Sn   

Isotopes
  
  

Known Isotopes
33   
6
35   
4

Electronegativity
  
  

Pauling Electronegativity
2.36   
2
1.96   
8

Sanderson Electronegativity
0.98   
23
1.49   
15

Allred Rochow Electronegativity
1.40   
19
1.72   
4

Mulliken-Jaffe Electronegativity
Not Available   
2.21   
3

Allen Electronegativity
1.47   
29
1.82   
11

Electropositivity
  
  

Pauling Electropositivity
1.64   
99+
2.04   
99+

Ionization Energies
  
  

1st Energy Level
770.00 kJ/mol   
16
708.60 kJ/mol   
33

2nd Energy Level
1,700.00 kJ/mol   
29
1,411.80 kJ/mol   
99+

3rd Energy Level
Not Available   
2,943.00 kJ/mol   
30

Electrochemical Equivalent
1.14 g/amp-hr   
99+
1.11 g/amp-hr   
99+

Electron Work Function
4.55 eV   
13
4.42 eV   
16

Other Chemical Properties
?
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, 
?
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
19.25 g/cm3   
16
7.37 g/cm3   
99+

Density When Liquid (at m.p.)
17.60 g/cm3   
5
6.99 g/cm3   
34

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
17

Vapor Pressure at 2000 K
0.00 (Pa)   
32
Not Available   

Tensile Strength
370.00 MPa   
10
Not Available   

Viscosity
Not Available   
Not Available   

Elasticity properties
  
  

Shear Modulus
161.00 GPa   
5
18.00 GPa   
36

Bulk Modulus
310.00 GPa   
4
58.00 GPa   
20

Young's Modulus
411.00 GPa   
4
50.00 GPa   
36

Poisson Ratio
0.28   
17
0.36   
8

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
W   
Sn   

Group Number
6   
12
14   
4

Period Number
6   
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
74   
99+
50   
99+

Atomic Weight
183.84 amu   
37
118.71 amu   
99+

Atomic Volume
9.53 cm3/mol   
99+
16.30 cm3/mol   
32

Electron Configuration
[Xe] 4f14 5d4 6s2   
[Kr] 4d10 5s2 5p2   

Valence Electron Potential
140.00 (-eV)   
5
83.50 (-eV)   
14

Atom
  
  

Number of Protons
74   
99+
50   
99+

Number of Neutrons
110   
27
69   
99+

Number of Electrons
74   
99+
50   
99+

Crystal Structure
?
BCC is a basis type of cubic crystal structure. In crystallography, the cubic crystals structure is a crystal system where the unit cell has a cube shaped structure. This is one of the simplest crystal structure found in crystals of metal.Body Centered Cubic (BCC)
  
?
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
BCC-Crystal-Structure-.jpg#100   
TETR-Crystal-Structure-of-Tin.jpg#100   

Radius of an Atom
  
  

Atomic Radius
139.00 pm   
39
140.00 pm   
38

Covalent Radius
162.00 pm   
29
139.00 pm   
99+

Van der Waals Radius
200.00 pm   
28
217.00 pm   
23

Lattice Constant
316.52 pm   
99+
583.18 pm   
7

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
Rhenium
  
Cesium
  

Previous Element
Tantalum
  
Indium
  

Magnetic Properties

Electrical Properties
  
  

Resistivity
52.80 nΩ·m   
99+
115.00 nΩ·m   
28

Electrical Conductivity
0.19 106/cm Ω   
10
0.09 106/cm Ω   
23

Electron Affinity
78.60 kJ/mol   
13
107.30 kJ/mol   
8

Electrical Property
?
Under certain conditions, superconductor metals offer zero resistance to electric current it means this type of metals will conduct electricity without any resistance.Superconductor
  
?
Under certain conditions, superconductor metals offer zero resistance to electric current it means this type of metals will conduct electricity without any resistance.Superconductor
  

Magnetic Characteristics
  
  

Specific Gravity
19.22   
9
7.31   
99+

Magnetic Ordering
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic
  
?
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
0.13 J/(kg K)   
39
0.23 J/(kg K)   
28

Thermal Conductivity
173.00 W/m·K   
7
66.80 W/m·K   
25

Critical Temperature
Not Available   
Not Available   

Molar Heat Capacity
24.27 J/mol·K   
99+
27.11 J/mol·K   
20

Thermal Expansion
4.50 µm/(m·K)   
99+
22.00 µm/(m·K)   
20

Standard Molar Entropy
32.60 J/mol.K   
99+
51.20 J/mol.K   
29

Enthalpy
  
  

Enthalpy of Vaporization
799.10 kJ/mol   
1
290.40 kJ/mol   
32

Enthalpy of Fusion
35.23 kJ/mol   
1
7.03 kJ/mol   
99+

Enthalpy of Atomization
837.00 kJ/mol   
1
301.30 kJ/mol   
35

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