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Darmstadtium vs Iridium

Darmstadtium
Iridium
Iridium vs Darmstadtium


Periodic Table
Symbol
Ds  
Ir  
Group Number
10  
8
9  
9
Period Number
7  
6  
Block
d block  
d block  
Element Family
Probably Transition  
Transition Metal  
CAS Number
54083771  
8
7439885  
99+
Space Group Name
-  
Fm_ 3m  
Space Group Number
166.00  
9
225.00  
3
Facts
Interesting Facts
Darmstadtium is a synthetic element that is highly radioactive.  
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
  
Sources
Synthetically Produced  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Smithson Tennant  
Discovery
In 1994  
In 1803  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
23
Abundance In Sun
-  
0.00 %  
25
Abundance In Meteorites
0.00 %  
99+
0.00 %  
29
Abundance In Earth's Crust
-  
0.00 %  
99+
Abundance In Oceans
-  
-  
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
  
  • 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.
  
Industrial Uses
-  
Automobile Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Alloys  
Biological Properties
  
  
Toxicity
-  
Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
-  
2,410.00 °C  
7
Boiling Point
0.00 °C  
99+
4,527.00 °C  
10
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery White  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
6.00  
6
6.50  
5
Brinell Hardness
350.00 MPa  
36
1,670.00 MPa  
5
Vickers Hardness
500.00 MPa  
35
1,760.00 MPa  
8
Speed of Sound
5,090.00 m/s  
13
4,825.00 m/s  
17
Optical Properties
  
  
Refractive Index
1.30  
99+
2.40  
7
Reflectivity
50.00 %  
31
78.00 %  
8
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ds  
Ir  
Isotopes
  
  
Known Isotopes
9  
29
34  
5
Electronegativity
  
  
Pauling Electronegativity
1.10  
99+
2.20  
5
Sanderson Electronegativity
1.30  
25
2.20  
8
Allred Rochow Electronegativity
1.10  
31
1.55  
12
Mulliken-Jaffe Electronegativity
1.10  
99+
2.20  
6
Allen Electronegativity
1.10  
99+
1.68  
20
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
1.80  
99+
Ionization Energies
  
  
1st Energy Level
955.20 kJ/mol  
5
880.00 kJ/mol  
9
2nd Energy Level
1,891.10 kJ/mol  
16
1,600.00 kJ/mol  
36
3rd Energy Level
3,029.60 kJ/mol  
25
2,256.10 kJ/mol  
99+
4th Energy Level
3,955.90 kJ/mol  
99+
880.00 kJ/mol  
99+
5th Energy Level
5,113.70 kJ/mol  
99+
8,800.00 kJ/mol  
8
6th Energy Level
10,700.00 kJ/mol  
12
8,800.00 kJ/mol  
25
7th Energy level
3,540.00 kJ/mol  
99+
8,800.00 kJ/mol  
22
8th Energy Level
6,630.00 kJ/mol  
40
8,800.00 kJ/mol  
22
9th Energy Level
7,180.00 kJ/mol  
29
8,800.00 kJ/mol  
21
10th Energy Level
10,700.00 kJ/mol  
20
8,800.00 kJ/mol  
23
11th Energy Level
3,540.00 kJ/mol  
99+
8,800.00 kJ/mol  
20
12th Energy Level
34,800.00 kJ/mol  
28
8,800.00 kJ/mol  
40
13th Energy Level
5,280.00 kJ/mol  
99+
8,800.00 kJ/mol  
15
14th Energy Level
1,130.00 kJ/mol  
99+
8,800.00 kJ/mol  
14
15th Energy Level
34,400.00 kJ/mol  
99+
88,000.00 kJ/mol  
8
16th Energy Level
34,800.00 kJ/mol  
99+
88,000.00 kJ/mol  
9
17th Energy Level
1,139.00 kJ/mol  
18
880.00 kJ/mol  
26
18th Energy Level
1,080.00 kJ/mol  
99+
8,800.00 kJ/mol  
15
19th Energy Level
1,139.90 kJ/mol  
15
880.00 kJ/mol  
24
20th Energy Level
0.00 kJ/mol  
99+
880.00 kJ/mol  
14
21st Energy Level
1,080.00 kJ/mol  
32
880.00 kJ/mol  
37
22nd Energy Level
350.00 kJ/mol  
99+
880.00 kJ/mol  
12
23rd Energy Level
1,100.00 kJ/mol  
35
8,800.00 kJ/mol  
7
24th Energy Level
565.80 kJ/mol  
99+
880.00 kJ/mol  
8
25th Energy Level
0.00 kJ/mol  
99+
880.00 kJ/mol  
6
26th Energy Level
582.30 kJ/mol  
99+
880.00 kJ/mol  
6
27th Energy Level
0.00 kJ/mol  
99+
880.00 kJ/mol  
5
28th Energy Level
1,130.00 kJ/mol  
4
880.00 kJ/mol  
8
29th Energy Level
1,130.00 kJ/mol  
4
880.00 kJ/mol  
9
30th Energy Level
663.20 kJ/mol  
33
880.00 kJ/mol  
6
Electrochemical Equivalent
3.00 g/amp-hr  
21
1.14 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
4.55 eV  
18
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Flammable, Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
110  
8
77  
39
Electron Configuration
[Rn] 5f14 6d8 7s2  
[Xe] 4f14 5d7 6s2  
Crystal Structure
Body Centered Cubic (BCC)  
Face Centered Cubic (FCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
FCC-Crystal-Structure-of-Iridium.jpg#100  
Atom
  
  
Number of Protons
110  
8
74  
99+
Number of Neutrons
161  
4
110  
28
Number of Electrons
110  
8
74  
99+
Radius of an Atom
  
  
Atomic Radius
132.00 pm  
99+
136.00 pm  
99+
Covalent Radius
128.00 pm  
99+
141.00 pm  
99+
Van der Waals Radius
0.00 pm  
99+
202.00 pm  
34
Atomic Weight
281.00 amu  
6
192.22 amu  
34
Atomic Volume
20.50 cm3/mol  
29
9.53 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Meitnerium
  
Osmium
  
Next Element
Roentgenium
  
Platinum
  
Valence Electron Potential
0.00 (-eV)  
99+
140.00 (-eV)  
5
Lattice Constant
0.00 pm  
99+
383.90 pm  
29
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.61  
19
1.58  
35
Mechanical
Density
  
  
Density At Room Temperature
35.00 g/cm3  
4
22.56 g/cm3  
10
Density When Liquid (at m.p.)
34.80 g/cm3  
5
19.00 g/cm3  
13
Tensile Strength
0.10 MPa  
99+
2,000.00 MPa  
2
Viscosity
0.00  
25
0.00  
21
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.00 (Pa)  
26
Elasticity properties
  
  
Shear Modulus
33.00 GPa  
23
210.00 GPa  
2
Bulk Modulus
38.00 GPa  
99+
320.00 GPa  
3
Young's Modulus
0.00 GPa  
99+
528.00 GPa  
1
Poisson Ratio
0.25  
24
0.26  
22
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
34.80  
7
21.78  
12
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
16
Susceptibility
0.00  
24
0.00  
5
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
8.30 nΩ·m  
99+
47.10 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.19 106/cm Ω  
10
Electron Affinity
-  
151.00 kJ/mol  
4
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.13 J/(kg K)  
40
Molar Heat Capacity
27.30 J/mol·K  
23
25.10 J/mol·K  
99+
Thermal Conductivity
0.00 W/m·K  
99+
147.00 W/m·K  
10
Critical Temperature
1,323.00 K  
99+
2,719.00 K  
8
Thermal Expansion
12.90 µm/(m·K)  
38
6.40 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
348.90 kJ/mol  
34
799.10 kJ/mol  
1
Enthalpy of Fusion
-  
35.23 kJ/mol  
1
Enthalpy of Atomization
-  
837.00 kJ/mol  
1
Standard Molar Entropy
57.00 J/mol.K  
30
35.50 J/mol.K  
99+
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