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Molybdenum vs Tin

Molybdenum
Tin
Tin vs Molybdenum


Periodic Table
Symbol
Mo   
Sn   
Group Number
6   
12
14   
4
Period Number
5   
5   
Block
d block   
p block   
Element Family
Transition Metal   
Post-​Transition   
CAS Number
7439987   
99+
7440315   
99+
Space Group Name
Im_ 3m   
I41/amd   
Space Group Number
229.00   
1
141.00   
7
Facts
Interesting Facts
  • Molybdenum is highly reactive metal, hence not found free in nature .
  • Till 18th century Molybdenum element were often mistaken as a carbon or Lead.
  
  • In the list of most abundant element Tin is ranked 49th.
  • Tin metal does not react with water as well as does not corrode in it.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining   
History
  
  
Who Discovered
Carl Wilhelm Scheele   
Unknown   
Discovery
In 1778   
Before 3500 BC   
Abundance
  
  
Abundance In Universe
5 * 10-7 %   
19
4 * 10-7 %   
20
Abundance In Sun
~0.0000009 %   
19
~0.0000009 %   
19
Abundance In Meteorites
0.00 %   
24
0.00 %   
24
Abundance In Earth's Crust
0.00 %   
39
0.00 %   
34
Abundance In Oceans
0.00 %   
9
0.00 %   
26
Abundance In Humans
0.00 %   
14
0.00 %   
13
Uses
Uses & Benefits
  • Its alloys are used to make engine parts, drills, saw blade, etc.
  • Lubricant additive made up of Molybdenum disulfide is commonly used in the industry. It is also used as a catalyst.
  
  • Tin-niobium alloy is used for producing superconducting magnets.
  • Tin salt known as a tin II chloride, it is used as a mordant and as a reducing agent for dyeing calico and silk.
  
Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry   
Automobile Industry, Chemical Industry, Food Industry   
Medical Uses
NA   
Dentistry   
Other Uses
Alloys   
NA   
Biological Properties
  
  
Toxicity
Toxic   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.00 Blood/mg dm-3   
31
0.38 Blood/mg dm-3   
10
In Bone
0.70 p.p.m.   
18
1.40 p.p.m.   
16
Physical Properties
Melting Point
2,617.00 °C   
5
231.90 °C   
99+
Boiling Point
4,612.00 °C   
9
2,270.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gray   
Silvery White   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
5.50   
7
1.50   
18
Brinell Hardness
1,370.00 MPa   
7
50.00 MPa   
99+
Vickers Hardness
1,400.00 MPa   
6
Not Available   
Speed of Sound
5,400.00 m/s   
6
2,730.00 m/s   
32
Optical Properties
  
  
Reflectivity
58.00 %   
15
Not Available   
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
Mo   
Sn   
Isotopes
  
  
Known Isotopes
25   
14
35   
4
Electronegativity
  
  
Pauling Electronegativity
2.16   
5
1.96   
8
Sanderson Electronegativity
1.15   
19
1.49   
15
Allred Rochow Electronegativity
1.30   
24
1.72   
4
Mulliken-Jaffe Electronegativity
Not Available   
2.21   
3
Allen Electronegativity
2.16   
3
1.82   
11
Electropositivity
  
  
Pauling Electropositivity
1.84   
99+
2.04   
99+
Ionization Energies
  
  
1st Energy Level
684.30 kJ/mol   
37
708.60 kJ/mol   
33
2nd Energy Level
1,560.00 kJ/mol   
37
1,411.80 kJ/mol   
99+
3rd Energy Level
2,618.00 kJ/mol   
99+
2,943.00 kJ/mol   
30
4th Energy Level
4,480.00 kJ/mol   
26
3,930.30 kJ/mol   
99+
5th Energy Level
5,257.00 kJ/mol   
32
7,456.00 kJ/mol   
13
6th Energy Level
6,640.80 kJ/mol   
22
Not Available   
7th Energy level
12,125.00 kJ/mol   
13
Not Available   
8th Energy Level
13,860.00 kJ/mol   
16
Not Available   
9th Energy Level
15,835.00 kJ/mol   
16
Not Available   
10th Energy Level
17,980.00 kJ/mol   
18
Not Available   
11th Energy Level
20,190.00 kJ/mol   
17
Not Available   
12th Energy Level
22,219.00 kJ/mol   
15
Not Available   
13th Energy Level
26,930.00 kJ/mol   
13
Not Available   
14th Energy Level
29,196.00 kJ/mol   
13
Not Available   
15th Energy Level
52,490.00 kJ/mol   
7
Not Available   
16th Energy Level
55,000.00 kJ/mol   
8
Not Available   
17th Energy Level
61,400.00 kJ/mol   
9
Not Available   
18th Energy Level
67,700.00 kJ/mol   
9
Not Available   
19th Energy Level
74,000.00 kJ/mol   
9
Not Available   
20th Energy Level
80,400.00 kJ/mol   
10
Not Available   
21st Energy Level
87,000.00 kJ/mol   
9
Not Available   
22nd Energy Level
93,400.00 kJ/mol   
7
Not Available   
23rd Energy Level
98,420.00 kJ/mol   
6
Not Available   
24th Energy Level
104,400.00 kJ/mol   
2
Not Available   
25th Energy Level
121,900.00 kJ/mol   
1
Not Available   
26th Energy Level
127,700.00 kJ/mol   
1
Not Available   
27th Energy Level
133,800.00 kJ/mol   
1
Not Available   
28th Energy Level
139,800.00 kJ/mol   
1
Not Available   
29th Energy Level
148,100.00 kJ/mol   
1
Not Available   
30th Energy Level
154,500.00 kJ/mol   
1
Not Available   
Electrochemical Equivalent
0.89 g/amp-hr   
99+
1.11 g/amp-hr   
99+
Electron Work Function
4.60 eV   
12
4.42 eV   
16
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Solubility   
Atomic Properties
Atomic Number
42   
99+
50   
99+
Electron Configuration
[Kr] 4d5 5s1   
[Kr] 4d10 5s2 5p2   
Crystal Structure
Body Centered Cubic (BCC)   
Tetragonal (TETR)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
TETR-Crystal-Structure-of-Tin.jpg#100   
Atom
  
  
Number of Protons
42   
99+
50   
99+
Number of Neutrons
54   
99+
69   
99+
Number of Electrons
42   
99+
50   
99+
Radius of an Atom
  
  
Atomic Radius
139.00 pm   
39
140.00 pm   
38
Covalent Radius
154.00 pm   
32
139.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
217.00 pm   
23
Atomic Weight
95.95 amu   
99+
118.71 amu   
99+
Atomic Volume
9.40 cm3/mol   
99+
16.30 cm3/mol   
32
Adjacent Atomic Numbers
  
  
Previous Element
Niobium
  
Indium
  
Next Element
Technetium
  
Cesium
  
Valence Electron Potential
88.60 (-eV)   
13
83.50 (-eV)   
14
Lattice Constant
314.70 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   
Mechanical Properties
Density
  
  
Density At Room Temperature
10.28 g/cm3   
36
7.37 g/cm3   
99+
Density When Liquid (at m.p.)
9.33 g/cm3   
20
6.99 g/cm3   
34
Tensile Strength
324.00 MPa   
13
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
17
Vapor Pressure at 2000 K
0.00 (Pa)   
26
Not Available   
Elasticity properties
  
  
Shear Modulus
126.00 GPa   
8
18.00 GPa   
36
Bulk Modulus
230.00 GPa   
6
58.00 GPa   
20
Young's Modulus
329.00 GPa   
6
50.00 GPa   
36
Poisson Ratio
0.31   
13
0.36   
8
Other Mechanical Properties
Ductile, Weldable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
10.22   
27
7.31   
99+
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Electrical Properties
  
  
Electrical Property
Semiconductor   
Superconductor   
Resistivity
53.40 nΩ·m   
99+
115.00 nΩ·m   
28
Electrical Conductivity
0.19 106/cm Ω   
11
0.09 106/cm Ω   
23
Electron Affinity
71.90 kJ/mol   
14
107.30 kJ/mol   
8
Thermal Properties
Specific Heat
0.25 J/(kg K)   
21
0.23 J/(kg K)   
28
Molar Heat Capacity
24.06 J/mol·K   
99+
27.11 J/mol·K   
20
Thermal Conductivity
138.00 W/m·K   
12
66.80 W/m·K   
25
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
4.80 µm/(m·K)   
99+
22.00 µm/(m·K)   
20
Enthalpy
  
  
Enthalpy of Vaporization
594.10 kJ/mol   
8
290.40 kJ/mol   
32
Enthalpy of Fusion
27.61 kJ/mol   
5
7.03 kJ/mol   
99+
Enthalpy of Atomization
653.00 kJ/mol   
7
301.30 kJ/mol   
35
Standard Molar Entropy
28.70 J/mol.K   
99+
51.20 J/mol.K   
29
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