Symbol
Cn
Ir
Group Number
129
0
17
👆🏻
Period Number
76
2
7
👆🏻
Block
d block
d block
Element Family
Transition Metal
Transition Metal
CAS Number
540842637439885
7429905
54386242
👆🏻
Space Group Name
-
Fm_ 3m
Space Group Number
187.00225.00
11
276
👆🏻
Interesting Facts
Copernicium was first synthesized in 1996 by a German research team.
- 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 1996
In 1803
Abundance
Abundance In Universe
0.00 %0.00 %
0
0.11
👆🏻
Abundance In Sun
-0.00 %
0
0.1
👆🏻
Abundance In Meteorites
0.00 %0.00 %
0
22
👆🏻
Abundance In Earth's Crust
0.00 %0.00 %
1E-37
8.1
👆🏻
Abundance In Oceans
--
0
1.1
👆🏻
Abundance In Humans
-0.00 %
0
1.4
👆🏻
Uses & Benefits
- Currently known uses of Copernicium metal are limited to research purpose only.
- 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
✔
✘
✔
✘
In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
👆🏻
In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
👆🏻
Melting Point
-2,410.00 °C
-38.83
3410
👆🏻
Boiling Point
0.00 °C4,527.00 °C
0
5660
👆🏻
Appearance
Physical State
Solid
Solid
Color
-
Silvery White
Luster
Unknown Luster
Metallic
Hardness
Mohs Hardness
4.006.50
0.2
8.5
👆🏻
Brinell Hardness
240.00 MPa1,670.00 MPa
0.14
3490
👆🏻
Vickers Hardness
3,570.00 MPa1,760.00 MPa
0
3920
👆🏻
Speed of Sound
3,570.00 m/s4,825.00 m/s
818
16200
👆🏻
Optical Properties
Refractive Index
1.902.40
0.155
3.41
👆🏻
Reflectivity
45.00 %78.00 %
5
97
👆🏻
Allotropes
✔
✘
✔
✘
α Allotropes
-
-
β Allotropes
-
-
γ Allotropes
-
-
Chemical Formula
Cn
Ir
Isotopes
Known Isotopes
134
0
38
👆🏻
Electronegativity
Pauling Electronegativity
1.902.20
0
2.6
👆🏻
Sanderson Electronegativity
1.302.20
0.22
2.56
👆🏻
Allred Rochow Electronegativity
1.901.55
0.86
1.9
👆🏻
Mulliken-Jaffe Electronegativity
1.902.20
0.62
2.48
👆🏻
Allen Electronegativity
1.901.68
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.001.80
1.46
3.3
👆🏻
Ionization Energies
1st Energy Level
1,154.90 kJ/mol880.00 kJ/mol
375.7
26130
👆🏻
2nd Energy Level
2,170.00 kJ/mol1,600.00 kJ/mol
392.8
28750
👆🏻
3rd Energy Level
4,245.40 kJ/mol2,256.10 kJ/mol
392.8
34230
👆🏻
4th Energy Level
5,499.70 kJ/mol880.00 kJ/mol
375.7
37066
👆🏻
5th Energy Level
3,570.00 kJ/mol8,800.00 kJ/mol
392
97510
👆🏻
6th Energy Level
7,030.00 kJ/mol8,800.00 kJ/mol
1007
105800
👆🏻
7th Energy level
3,570.00 kJ/mol8,800.00 kJ/mol
1007
114300
👆🏻
8th Energy Level
4,480.00 kJ/mol8,800.00 kJ/mol
730
125300
👆🏻
9th Energy Level
5,850.00 kJ/mol8,800.00 kJ/mol
1007
134700
👆🏻
10th Energy Level
4,480.00 kJ/mol8,800.00 kJ/mol
392
144300
👆🏻
11th Energy Level
3,570.00 kJ/mol8,800.00 kJ/mol
392
169988
👆🏻
12th Energy Level
35,700.00 kJ/mol8,800.00 kJ/mol
0
189368
👆🏻
13th Energy Level
4,480.00 kJ/mol8,800.00 kJ/mol
1007
76015
👆🏻
14th Energy Level
1,157.00 kJ/mol8,800.00 kJ/mol
380
86450
👆🏻
15th Energy Level
35,700.00 kJ/mol88,000.00 kJ/mol
33000
100700
👆🏻
16th Energy Level
35,700.00 kJ/mol88,000.00 kJ/mol
375.7
109480
👆🏻
17th Energy Level
1,157.00 kJ/mol880.00 kJ/mol
375.7
122200
👆🏻
18th Energy Level
3,570.00 kJ/mol8,800.00 kJ/mol
0
134810
👆🏻
19th Energy Level
1,157.60 kJ/mol880.00 kJ/mol
375.7
148700
👆🏻
20th Energy Level
0.00 kJ/mol880.00 kJ/mol
0
171200
👆🏻
21st Energy Level
1,157.00 kJ/mol880.00 kJ/mol
375.7
179100
👆🏻
22nd Energy Level
357.00 kJ/mol880.00 kJ/mol
330
184900
👆🏻
23rd Energy Level
357.60 kJ/mol8,800.00 kJ/mol
357.6
198800
👆🏻
24th Energy Level
357.60 kJ/mol880.00 kJ/mol
297.3
195200
👆🏻
25th Energy Level
0.00 kJ/mol880.00 kJ/mol
0
121900
👆🏻
26th Energy Level
357.60 kJ/mol880.00 kJ/mol
357.6
127700
👆🏻
27th Energy Level
0.00 kJ/mol880.00 kJ/mol
0
133800
👆🏻
28th Energy Level
1,157.00 kJ/mol880.00 kJ/mol
297.3
139800
👆🏻
29th Energy Level
1,157.00 kJ/mol880.00 kJ/mol
0
148100
👆🏻
30th Energy Level
357.60 kJ/mol880.00 kJ/mol
0
154500
👆🏻
Electrochemical Equivalent
3.00 g/amp-hr1.14 g/amp-hr
0.16812
8.3209
👆🏻
Electron Work Function
4.90 eV4.55 eV
2.14
6
👆🏻
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Flammable, Ionization, Radioactive Isotopes, Radioactivity
Atomic Number
11277
3
117
👆🏻
Electron Configuration
[Rn] 5f14 6d10 7s2
[Xe] 4f14 5d7 6s2
Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
Crystal Lattice
Atom
Number of Protons
11274
3
117
👆🏻
Number of Neutrons
285110
4
285
👆🏻
Number of Electrons
11274
3
117
👆🏻
Radius of an Atom
Atomic Radius
147.00 pm136.00 pm
0
348
👆🏻
Covalent Radius
122.00 pm141.00 pm
0
260
👆🏻
Van der Waals Radius
0.00 pm202.00 pm
0
348
👆🏻
Atomic Weight
285.00 amu192.22 amu
6.94
294
👆🏻
Atomic Volume
17.80 cm3/mol9.53 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
0.00 (-eV)140.00 (-eV)
0
392.42
👆🏻
Lattice Constant
-383.90 pm
0
891.25
👆🏻
Lattice Angles
-
π/2, π/2, π/2
Lattice C/A Ratio
1.581.58
0.423
1.9
👆🏻
Density
Density At Room Temperature
23.70 g/cm322.56 g/cm3
0.534
40.7
👆🏻
Density When Liquid (at m.p.)
23.70 g/cm319.00 g/cm3
0.512
41
👆🏻
Tensile Strength
0.10 MPa2,000.00 MPa
0.1
11000
👆🏻
Viscosity
0.000.00
1.5E-05
0.0035
👆🏻
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)0.00 (Pa)
0
121
👆🏻
Vapor Pressure at 2000 K
0.00 (Pa)0.00 (Pa)
0
774
👆🏻
Elasticity properties
Shear Modulus
31.00 GPa210.00 GPa
1.3
222
👆🏻
Bulk Modulus
35.00 GPa320.00 GPa
0
462
👆🏻
Young's Modulus
0.00 GPa528.00 GPa
0
528
👆🏻
Poisson Ratio
0.350.26
0.032
0.47
👆🏻
Other Mechanical Properties
-
-
Magnetic Characteristics
Specific Gravity
23.7021.78
0.53
4500
👆🏻
Magnetic Ordering
-
Paramagnetic
Permeability
0.00 H/m0.00 H/m
1.25643E-06
0.0063
👆🏻
Susceptibility
0.000.00
-0.000166
200000
👆🏻
Electrical Properties
Electrical Property
-
Conductor
Resistivity
4.90 nΩ·m47.10 nΩ·m
0.1
961
👆🏻
Electrical Conductivity
0.00 106/cm Ω0.19 106/cm Ω
0
0.63
👆🏻
Electron Affinity
-151.00 kJ/mol
0
222.8
👆🏻
Specific Heat
0.10 J/(kg K)0.13 J/(kg K)
0.1
3.6
👆🏻
Molar Heat Capacity
13.10 J/mol·K25.10 J/mol·K
13.1
62.7
👆🏻
Thermal Conductivity
13.00 W/m·K147.00 W/m·K
0
429
👆🏻
Critical Temperature
1,323.00 K2,719.00 K
26.3
3695
👆🏻
Thermal Expansion
13.80 µm/(m·K)6.40 µm/(m·K)
4.5
97
👆🏻
Enthalpy
Enthalpy of Vaporization
357.20 kJ/mol799.10 kJ/mol
7.32
799.1
👆🏻
Enthalpy of Fusion
-35.23 kJ/mol
2.1
35.23
👆🏻
Enthalpy of Atomization
-837.00 kJ/mol
61.5
837
👆🏻
Standard Molar Entropy
55.00 J/mol.K35.50 J/mol.K
9.5
198.1
👆🏻