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Copernicium vs Nihonium

Copernicium
Nihonium
Nihonium vs Copernicium


Periodic Table
Symbol
Cn  
Nh  
Group Number
12  
6
13  
5
Period Number
7  
7  
Block
d block  
p block  
Element Family
Transition Metal  
Probably Post-​Transition  
CAS Number
54084263  
7
54084707  
6
Space Group Name
-  
-  
Space Group Number
187.00  
8
194.00  
7
Facts
Interesting Facts
Copernicium was first synthesized in 1996 by a German research team.  
Nihonium is a synthetic chemical element and is highly radioactive.  
Sources
Synthetically Produced  
Synthetically Produced  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Discovery
In 1996  
In 2003  
Abundance
  
  
Abundance In Universe
0.00 %  
39
0.00 %  
40
Abundance In Sun
-  
-  
Abundance In Meteorites
0.00 %  
99+
-  
Abundance In Earth's Crust
0.00 %  
99+
-  
Abundance In Oceans
-  
-  
Abundance In Humans
-  
-  
Uses
Uses & Benefits
  • Currently known uses of Copernicium metal are limited to research purpose only.
  
  • Currently known uses of Ununtrium metal are limited to research purpose only.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Research Purposes  
Biological Properties
  
  
Toxicity
-  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
29
In Bone
0.00 p.p.m.  
99+
0.20 p.p.m.  
27
Physical
Melting Point
-  
430.00 °C  
99+
Boiling Point
0.00 °C  
99+
1,130.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
-  
Luster
Unknown Luster  
Unknown Luster  
Hardness
  
  
Mohs Hardness
4.00  
11
-  
Brinell Hardness
240.00 MPa  
99+
600.00 MPa  
24
Vickers Hardness
3,570.00 MPa  
2
350.00 MPa  
99+
Speed of Sound
3,570.00 m/s  
30
3,600.00 m/s  
29
Optical Properties
  
  
Refractive Index
1.90  
18
1.30  
99+
Reflectivity
45.00 %  
32
60.00 %  
23
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Cn  
Nh  
Isotopes
  
  
Known Isotopes
1  
34
7  
31
Electronegativity
  
  
Pauling Electronegativity
1.90  
12
1.30  
33
Sanderson Electronegativity
1.30  
25
1.90  
13
Allred Rochow Electronegativity
1.90  
1
1.30  
25
Mulliken-Jaffe Electronegativity
1.90  
13
1.00  
99+
Allen Electronegativity
1.90  
8
0.70  
99+
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.20  
39
Ionization Energies
  
  
1st Energy Level
1,154.90 kJ/mol  
2
704.90 kJ/mol  
34
2nd Energy Level
2,170.00 kJ/mol  
9
2,238.50 kJ/mol  
7
3rd Energy Level
4,245.40 kJ/mol  
9
3,023.30 kJ/mol  
26
4th Energy Level
5,499.70 kJ/mol  
23
4,351.50 kJ/mol  
39
5th Energy Level
3,570.00 kJ/mol  
99+
5,692.60 kJ/mol  
99+
6th Energy Level
7,030.00 kJ/mol  
99+
7,000.00 kJ/mol  
99+
7th Energy level
3,570.00 kJ/mol  
99+
7,040.00 kJ/mol  
40
8th Energy Level
4,480.00 kJ/mol  
99+
7,040.00 kJ/mol  
36
9th Energy Level
5,850.00 kJ/mol  
99+
7,040.00 kJ/mol  
33
10th Energy Level
4,480.00 kJ/mol  
99+
7,040.00 kJ/mol  
37
11th Energy Level
3,570.00 kJ/mol  
99+
7,040.00 kJ/mol  
35
12th Energy Level
35,700.00 kJ/mol  
26
70,000.00 kJ/mol  
5
13th Energy Level
4,480.00 kJ/mol  
99+
7,000.00 kJ/mol  
34
14th Energy Level
1,157.00 kJ/mol  
99+
7,000.00 kJ/mol  
24
15th Energy Level
35,700.00 kJ/mol  
99+
70,000.00 kJ/mol  
30
16th Energy Level
35,700.00 kJ/mol  
99+
70,000.00 kJ/mol  
25
17th Energy Level
1,157.00 kJ/mol  
16
540.00 kJ/mol  
99+
18th Energy Level
3,570.00 kJ/mol  
99+
3,200.00 kJ/mol  
99+
19th Energy Level
1,157.60 kJ/mol  
14
540.20 kJ/mol  
99+
20th Energy Level
0.00 kJ/mol  
99+
700.00 kJ/mol  
36
21st Energy Level
1,157.00 kJ/mol  
28
1,130.00 kJ/mol  
29
22nd Energy Level
357.00 kJ/mol  
99+
558.00 kJ/mol  
99+
23rd Energy Level
357.60 kJ/mol  
99+
7,000.00 kJ/mol  
11
24th Energy Level
357.60 kJ/mol  
99+
700.00 kJ/mol  
29
25th Energy Level
0.00 kJ/mol  
99+
0.00 kJ/mol  
99+
26th Energy Level
357.60 kJ/mol  
99+
586.20 kJ/mol  
99+
27th Energy Level
0.00 kJ/mol  
99+
704.90 kJ/mol  
28
28th Energy Level
1,157.00 kJ/mol  
2
704.90 kJ/mol  
33
29th Energy Level
1,157.00 kJ/mol  
3
704.90 kJ/mol  
34
30th Energy Level
357.60 kJ/mol  
99+
704.00 kJ/mol  
28
Electrochemical Equivalent
3.00 g/amp-hr  
21
3.00 g/amp-hr  
21
Electron Work Function
4.90 eV  
12
4.90 eV  
12
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Chemical Stability, Ionization  
Atomic
Atomic Number
112  
6
113  
5
Electron Configuration
[Rn] 5f14 6d10 7s2  
[Rn] 5f14 6d10 7s2 7p1  
Crystal Structure
Hexagonal Close Packed (HCP)  
Not Known  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
Unknown-Crystal-Structure-of-Ununtrium.jpg#100  
Atom
  
  
Number of Protons
112  
6
113  
5
Number of Neutrons
285  
1
150  
12
Number of Electrons
112  
6
113  
5
Radius of an Atom
  
  
Atomic Radius
147.00 pm  
36
170.00 pm  
24
Covalent Radius
122.00 pm  
99+
170.00 pm  
27
Van der Waals Radius
0.00 pm  
99+
320.00 pm  
3
Atomic Weight
285.00 amu  
5
286.00 amu  
4
Atomic Volume
17.80 cm3/mol  
99+
21.10 cm3/mol  
24
Adjacent Atomic Numbers
  
  
Previous Element
Roentgenium
  
Copernicium
  
Next Element
Nihonium
  
Flerovium
  
Valence Electron Potential
0.00 (-eV)  
99+
6.20 (-eV)  
99+
Lattice Constant
-  
0.00 pm  
99+
Lattice Angles
-  
-  
Lattice C/A Ratio
1.58  
36
1.58  
35
Mechanical
Density
  
  
Density At Room Temperature
23.70 g/cm3  
7
16.00 g/cm3  
19
Density When Liquid (at m.p.)
23.70 g/cm3  
8
16.00 g/cm3  
19
Tensile Strength
0.10 MPa  
99+
80.00 MPa  
29
Viscosity
0.00  
25
0.00  
25
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)  
37
Elasticity properties
  
  
Shear Modulus
31.00 GPa  
25
40.00 GPa  
19
Bulk Modulus
35.00 GPa  
99+
0.00 GPa  
99+
Young's Modulus
0.00 GPa  
99+
12.20 GPa  
99+
Poisson Ratio
0.35  
9
0.30  
14
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
23.70  
9
16.00  
21
Magnetic Ordering
-  
-  
Permeability
0.00 H/m  
17
0.00 H/m  
5
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
4.90 nΩ·m  
99+
0.32 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
-  
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.12 J/(kg K)  
99+
Molar Heat Capacity
13.10 J/mol·K  
99+
27.00 J/mol·K  
29
Thermal Conductivity
13.00 W/m·K  
99+
1.70 W/m·K  
99+
Critical Temperature
1,323.00 K  
99+
700.00 K  
99+
Thermal Expansion
13.80 µm/(m·K)  
31
6.20 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
357.20 kJ/mol  
31
410.80 kJ/mol  
23
Enthalpy of Fusion
-  
-  
Enthalpy of Atomization
-  
320.70 kJ/mol  
99+
Standard Molar Entropy
55.00 J/mol.K  
34
65.00 J/mol.K  
17
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