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Iridium vs Tin

Iridium
Tin
Tin vs Iridium


Periodic Table
Symbol
Ir  
Sn  
Group Number
9  
9
14  
4
Period Number
6  
5  
Block
d block  
p block  
Element Family
Transition Metal  
Post-​Transition  
CAS Number
7439885  
99+
7440315  
99+
Space Group Name
Fm_ 3m  
I41/amd  
Space Group Number
225.00  
3
141.00  
10
Facts
Interesting Facts
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
  
  • 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
Smithson Tennant  
-  
Discovery
In 1803  
Before 3500 BC  
Abundance
  
  
Abundance In Universe
0.00 %  
23
0.00 %  
21
Abundance In Sun
0.00 %  
25
0.00 %  
19
Abundance In Meteorites
0.00 %  
29
0.00 %  
24
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
34
Abundance In Oceans
-  
0.00 %  
26
Abundance In Humans
0.00 %  
24
0.00 %  
15
Uses
Uses & Benefits
  • Iridium has an anti corrosion properties and it is used in special alloy with Osmium metal and that alloy is used in pen tips and compass bearings.
  
  • 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
Automobile Industry, Electrical Industry, Electronic Industry  
Automobile Industry, Chemical Industry, Food Industry  
Medical Uses
-  
Dentistry  
Other Uses
Alloys  
-  
Biological Properties
  
  
Toxicity
Toxic  
Non Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.38 Blood/mg dm-3  
10
In Bone
0.00 p.p.m.  
99+
1.40 p.p.m.  
17
Physical
Melting Point
2,410.00 °C  
7
231.90 °C  
99+
Boiling Point
4,527.00 °C  
10
2,270.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery White  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
6.50  
5
1.50  
19
Brinell Hardness
1,670.00 MPa  
5
50.00 MPa  
99+
Vickers Hardness
1,760.00 MPa  
8
50.00 MPa  
99+
Speed of Sound
4,825.00 m/s  
17
2,730.00 m/s  
99+
Optical Properties
  
  
Refractive Index
2.40  
7
2.40  
7
Reflectivity
78.00 %  
8
51.00 %  
30
Allotropes
No  
Yes  
α Allotropes
-  
Grey Tin (alpha Tin, Tin Pest)  
β Allotropes
-  
White Tin (Beta Tin)  
γ Allotropes
-  
Rhombic Tin (gamma Tin)  
Chemical
Chemical Formula
Ir  
Sn  
Isotopes
  
  
Known Isotopes
34  
5
35  
4
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
1.96  
9
Sanderson Electronegativity
2.20  
8
1.49  
19
Allred Rochow Electronegativity
1.55  
12
1.72  
5
Mulliken-Jaffe Electronegativity
2.20  
6
2.21  
5
Allen Electronegativity
1.68  
20
1.82  
14
Electropositivity
  
  
Pauling Electropositivity
1.80  
99+
2.04  
99+
Ionization Energies
  
  
1st Energy Level
880.00 kJ/mol  
9
708.60 kJ/mol  
33
2nd Energy Level
1,600.00 kJ/mol  
36
1,411.80 kJ/mol  
99+
3rd Energy Level
2,256.10 kJ/mol  
99+
2,943.00 kJ/mol  
30
4th Energy Level
880.00 kJ/mol  
99+
3,930.30 kJ/mol  
99+
5th Energy Level
8,800.00 kJ/mol  
8
7,456.00 kJ/mol  
21
6th Energy Level
8,800.00 kJ/mol  
25
7,080.00 kJ/mol  
99+
7th Energy level
8,800.00 kJ/mol  
22
7,080.00 kJ/mol  
39
8th Energy Level
8,800.00 kJ/mol  
22
7,080.00 kJ/mol  
35
9th Energy Level
8,800.00 kJ/mol  
21
7,080.00 kJ/mol  
32
10th Energy Level
8,800.00 kJ/mol  
23
7,080.00 kJ/mol  
36
11th Energy Level
8,800.00 kJ/mol  
20
7,080.00 kJ/mol  
34
12th Energy Level
8,800.00 kJ/mol  
40
7,080.00 kJ/mol  
99+
13th Energy Level
8,800.00 kJ/mol  
15
7,080.00 kJ/mol  
31
14th Energy Level
8,800.00 kJ/mol  
14
708.60 kJ/mol  
99+
15th Energy Level
88,000.00 kJ/mol  
8
70,800.00 kJ/mol  
27
16th Energy Level
88,000.00 kJ/mol  
9
70,800.00 kJ/mol  
22
17th Energy Level
880.00 kJ/mol  
26
708.60 kJ/mol  
99+
18th Energy Level
8,800.00 kJ/mol  
15
7,086.00 kJ/mol  
33
19th Energy Level
880.00 kJ/mol  
24
708.60 kJ/mol  
39
20th Energy Level
880.00 kJ/mol  
14
708.00 kJ/mol  
33
21st Energy Level
880.00 kJ/mol  
37
708.60 kJ/mol  
99+
22nd Energy Level
880.00 kJ/mol  
12
708.00 kJ/mol  
27
23rd Energy Level
8,800.00 kJ/mol  
7
708.60 kJ/mol  
99+
24th Energy Level
880.00 kJ/mol  
8
708.60 kJ/mol  
26
25th Energy Level
880.00 kJ/mol  
6
708.60 kJ/mol  
28
26th Energy Level
880.00 kJ/mol  
6
708.60 kJ/mol  
27
27th Energy Level
880.00 kJ/mol  
5
708.60 kJ/mol  
27
28th Energy Level
880.00 kJ/mol  
8
708.60 kJ/mol  
32
29th Energy Level
880.00 kJ/mol  
9
708.60 kJ/mol  
33
30th Energy Level
880.00 kJ/mol  
6
708.60 kJ/mol  
27
Electrochemical Equivalent
1.14 g/amp-hr  
99+
1.11 g/amp-hr  
99+
Electron Work Function
4.55 eV  
18
4.42 eV  
22
Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Solubility  
Atomic
Atomic Number
77  
39
50  
99+
Electron Configuration
[Xe] 4f14 5d7 6s2  
[Kr] 4d10 5s2 5p2  
Crystal Structure
Face Centered Cubic (FCC)  
Tetragonal (TETR)  
Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100  
TETR-Crystal-Structure-of-Tin.jpg#100  
Atom
  
  
Number of Protons
74  
99+
50  
99+
Number of Neutrons
110  
28
69  
99+
Number of Electrons
74  
99+
50  
99+
Radius of an Atom
  
  
Atomic Radius
136.00 pm  
99+
140.00 pm  
40
Covalent Radius
141.00 pm  
99+
139.00 pm  
99+
Van der Waals Radius
202.00 pm  
34
217.00 pm  
29
Atomic Weight
192.22 amu  
34
118.71 amu  
99+
Atomic Volume
9.53 cm3/mol  
99+
16.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Osmium
  
Indium
  
Next Element
Platinum
  
Cesium
  
Valence Electron Potential
140.00 (-eV)  
5
83.50 (-eV)  
14
Lattice Constant
383.90 pm  
29
583.18 pm  
7
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.58  
35
0.68  
99+
Mechanical
Density
  
  
Density At Room Temperature
22.56 g/cm3  
10
7.37 g/cm3  
99+
Density When Liquid (at m.p.)
19.00 g/cm3  
13
6.99 g/cm3  
99+
Tensile Strength
2,000.00 MPa  
2
15.00 MPa  
99+
Viscosity
0.00  
21
0.00  
15
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
18
Vapor Pressure at 2000 K
0.00 (Pa)  
26
0.00 (Pa)  
38
Elasticity properties
  
  
Shear Modulus
210.00 GPa  
2
18.00 GPa  
99+
Bulk Modulus
320.00 GPa  
3
58.00 GPa  
21
Young's Modulus
528.00 GPa  
1
50.00 GPa  
39
Poisson Ratio
0.26  
22
0.36  
8
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
21.78  
12
7.31  
99+
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
16
0.00 H/m  
17
Susceptibility
0.00  
5
0.00  
30
Electrical Properties
  
  
Electrical Property
Conductor  
Superconductor  
Resistivity
47.10 nΩ·m  
99+
115.00 nΩ·m  
28
Electrical Conductivity
0.19 106/cm Ω  
10
0.09 106/cm Ω  
28
Electron Affinity
151.00 kJ/mol  
4
107.30 kJ/mol  
9
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.23 J/(kg K)  
28
Molar Heat Capacity
25.10 J/mol·K  
99+
27.11 J/mol·K  
26
Thermal Conductivity
147.00 W/m·K  
10
66.80 W/m·K  
25
Critical Temperature
2,719.00 K  
8
505.00 K  
99+
Thermal Expansion
6.40 µm/(m·K)  
99+
22.00 µm/(m·K)  
21
Enthalpy
  
  
Enthalpy of Vaporization
799.10 kJ/mol  
1
290.40 kJ/mol  
99+
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  
99+
Standard Molar Entropy
35.50 J/mol.K  
99+
51.20 J/mol.K  
40
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