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Nobelium vs Copernicium

Nobelium
Copernicium
Copernicium vs Nobelium


Periodic Table
Symbol
No  
Cn  
Group Number
3  
15
12  
6
Period Number
7  
7  
Block
f block  
d block  
Element Family
Actinide  
Transition Metal  
CAS Number
10028145  
16
54084263  
7
Space Group Name
-  
-  
Space Group Number
194.00  
7
187.00  
8
Facts
Interesting Facts
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  
Copernicium was first synthesized in 1996 by a German research team.  
Sources
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining  
Synthetically Produced  
History
  
  
Who Discovered
Joint Institute for Nuclear Research  
Gesellschaft für Schwerionenforschung  
Discovery
In 1966  
In 1996  
Abundance
  
  
Abundance In Universe
-  
0.00 %  
39
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 Nobelium metal are limited to research purpose only.
  
  • Currently known uses of Copernicium 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  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
827.00 °C  
99+
-  
Boiling Point
2,600.00 °C  
99+
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
-  
Luster
Unknown Luster  
Unknown Luster  
Hardness
  
  
Mohs Hardness
-  
4.00  
11
Brinell Hardness
500.00 MPa  
28
240.00 MPa  
99+
Vickers Hardness
500.00 MPa  
35
3,570.00 MPa  
2
Speed of Sound
1,100.00 m/s  
99+
3,570.00 m/s  
30
Optical Properties
  
  
Refractive Index
1.30  
99+
1.90  
18
Reflectivity
61.00 %  
22
45.00 %  
32
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
No  
Cn  
Isotopes
  
  
Known Isotopes
13  
26
1  
34
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.90  
12
Sanderson Electronegativity
1.30  
25
1.30  
25
Allred Rochow Electronegativity
1.20  
28
1.90  
1
Mulliken-Jaffe Electronegativity
1.30  
33
1.90  
13
Allen Electronegativity
1.10  
99+
1.90  
8
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.00  
99+
Ionization Energies
  
  
1st Energy Level
642.00 kJ/mol  
99+
1,154.90 kJ/mol  
2
2nd Energy Level
1,254.00 kJ/mol  
99+
2,170.00 kJ/mol  
9
3rd Energy Level
2,643.00 kJ/mol  
99+
4,245.40 kJ/mol  
9
4th Energy Level
3,956.00 kJ/mol  
99+
5,499.70 kJ/mol  
23
5th Energy Level
6,400.00 kJ/mol  
35
3,570.00 kJ/mol  
99+
6th Energy Level
6,400.00 kJ/mol  
99+
7,030.00 kJ/mol  
99+
7th Energy level
6,270.00 kJ/mol  
99+
3,570.00 kJ/mol  
99+
8th Energy Level
6,270.00 kJ/mol  
99+
4,480.00 kJ/mol  
99+
9th Energy Level
6,270.00 kJ/mol  
99+
5,850.00 kJ/mol  
99+
10th Energy Level
6,270.00 kJ/mol  
99+
4,480.00 kJ/mol  
99+
11th Energy Level
6,420.00 kJ/mol  
99+
3,570.00 kJ/mol  
99+
12th Energy Level
64,000.00 kJ/mol  
8
35,700.00 kJ/mol  
26
13th Energy Level
6,400.00 kJ/mol  
36
4,480.00 kJ/mol  
99+
14th Energy Level
6,400.00 kJ/mol  
26
1,157.00 kJ/mol  
99+
15th Energy Level
64,000.00 kJ/mol  
36
35,700.00 kJ/mol  
99+
16th Energy Level
64,000.00 kJ/mol  
27
35,700.00 kJ/mol  
99+
17th Energy Level
641.00 kJ/mol  
99+
1,157.00 kJ/mol  
16
18th Energy Level
3,500.00 kJ/mol  
99+
3,570.00 kJ/mol  
99+
19th Energy Level
627.60 kJ/mol  
99+
1,157.60 kJ/mol  
14
20th Energy Level
627.00 kJ/mol  
99+
0.00 kJ/mol  
99+
21st Energy Level
917.00 kJ/mol  
34
1,157.00 kJ/mol  
28
22nd Energy Level
627.00 kJ/mol  
36
357.00 kJ/mol  
99+
23rd Energy Level
6,410.00 kJ/mol  
12
357.60 kJ/mol  
99+
24th Energy Level
627.00 kJ/mol  
39
357.60 kJ/mol  
99+
25th Energy Level
0.00 kJ/mol  
99+
0.00 kJ/mol  
99+
26th Energy Level
601.20 kJ/mol  
99+
357.60 kJ/mol  
99+
27th Energy Level
641.00 kJ/mol  
37
0.00 kJ/mol  
99+
28th Energy Level
641.60 kJ/mol  
99+
1,157.00 kJ/mol  
2
29th Energy Level
641.00 kJ/mol  
99+
1,157.00 kJ/mol  
3
30th Energy Level
627.00 kJ/mol  
99+
357.60 kJ/mol  
99+
Electrochemical Equivalent
4.83 g/amp-hr  
4
3.00 g/amp-hr  
21
Electron Work Function
4.90 eV  
12
4.90 eV  
12
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
102  
16
112  
6
Electron Configuration
[Rn] 5f14 7s2  
[Rn] 5f14 6d10 7s2  
Crystal Structure
Not Known  
Hexagonal Close Packed (HCP)  
Crystal Lattice
Unknown-Crystal-Structure-of-Nobelium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
102  
16
112  
6
Number of Neutrons
157  
8
285  
1
Number of Electrons
102  
16
112  
6
Radius of an Atom
  
  
Atomic Radius
176.00 pm  
20
147.00 pm  
36
Covalent Radius
157.00 pm  
33
122.00 pm  
99+
Van der Waals Radius
246.00 pm  
12
0.00 pm  
99+
Atomic Weight
259.00 amu  
13
285.00 amu  
5
Atomic Volume
19.80 cm3/mol  
33
17.80 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Mendelevium
  
Roentgenium
  
Next Element
Lawrencium
  
Nihonium
  
Valence Electron Potential
26.00 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
-  
-  
Lattice Angles
-  
-  
Lattice C/A Ratio
1.76  
5
1.58  
36
Mechanical
Density
  
  
Density At Room Temperature
9.90 g/cm3  
99+
23.70 g/cm3  
7
Density When Liquid (at m.p.)
9.90 g/cm3  
99+
23.70 g/cm3  
8
Tensile Strength
80.00 MPa  
29
0.10 MPa  
99+
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)  
28
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
27.00 GPa  
34
31.00 GPa  
25
Bulk Modulus
8.70 GPa  
99+
35.00 GPa  
99+
Young's Modulus
12.30 GPa  
99+
0.00 GPa  
99+
Poisson Ratio
0.30  
14
0.35  
9
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
9.90  
99+
23.70  
9
Magnetic Ordering
-  
-  
Permeability
0.00 H/m  
3
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
0.68 nΩ·m  
99+
4.90 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
-  
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.10 J/(kg K)  
99+
Molar Heat Capacity
27.00 J/mol·K  
29
13.10 J/mol·K  
99+
Thermal Conductivity
0.10 W/m·K  
99+
13.00 W/m·K  
99+
Critical Temperature
1,100.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
11.00 µm/(m·K)  
99+
13.80 µm/(m·K)  
31
Enthalpy
  
  
Enthalpy of Vaporization
-  
357.20 kJ/mol  
31
Enthalpy of Fusion
-  
-  
Enthalpy of Atomization
390.40 kJ/mol  
30
-  
Standard Molar Entropy
63.00 J/mol.K  
24
55.00 J/mol.K  
34
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