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Copernicium Curium Comparison

Copernicium
Curium
Curium Copernicium comparison


Periodic Table
Symbol
Cn   
Cm   
Group Number
12   
6
Not Available   
Period Number
7   
7   
Block
d block   
f block   
Element Family
Transition Metal   
Actinide   
CAS Number
54084263   
7
7440519   
36
Space Group Name
Not Available   
Not Available   
Space Group Number
Not Available   
Not Available   
Facts
Interesting Facts
Not Available   
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
  
Sources
Synthetically Produced   
Bombarding Plutonium with Helium Ions   
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung   
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso   
Discovery
In 1996   
In 1944   
Abundance
  
  
Uses
Uses & Benefits
  • Currently known uses of Copernicium metal are limited to research purpose only.
  
  • Curium metal is used to provide power to electrical equipment for space missions.
  
Industrial Uses
NA   
NA   
Medical Uses
NA   
NA   
Other Uses
Research Purposes   
Research Purposes   
Biological Properties
  
  
Present in Human Body
No   
No   
In Blood
Not Available   
0.00 Blood/mg dm-3   
37
In Bone
Not Available   
0.00 p.p.m.   
36
Physical Properties
Melting Point
Not Available   
1,340.00 °C   
34
Boiling Point
Not Available   
3,110.00 °C   
30
Appearance
  
  
Physical State
Solid   
Solid   
Color
Unknown   
Silver   
Luster
Unknown Luster   
Metallic   
Hardness
  
  
Speed of Sound
Not Available   
Not Available   
Optical Properties
  
  
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Cn   
Cm   
Isotopes
  
  
Known Isotopes
1   
34
15   
24
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.30   
32
Allred Rochow Electronegativity
Not Available   
1.20   
27
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.70   
22
Ionization Energies
  
  
1st Energy Level
1,154.90 kJ/mol   
2
581.00 kJ/mol   
99+
2nd Energy Level
2,170.00 kJ/mol   
9
1,196.00 kJ/mol   
99+
3rd Energy Level
4,245.40 kJ/mol   
9
2,026.00 kJ/mol   
99+
4th Energy Level
5,499.70 kJ/mol   
14
3,550.00 kJ/mol   
99+
Electrochemical Equivalent
Not Available   
3.07 g/amp-hr   
16
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
112   
6
96   
22
Electron Configuration
[Rn] 5f14 6d10 7s2   
[Rn] 5f7 6d1 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
DHCP-Crystal-Structure-of-Curium.jpg#100   
Atom
  
  
Number of Protons
112   
6
96   
22
Number of Neutrons
Not Available   
151   
10
Number of Electrons
112   
6
96   
22
Radius of an Atom
  
  
Atomic Radius
147.00 pm   
34
174.00 pm   
20
Covalent Radius
122.00 pm   
99+
169.00 pm   
26
Van der Waals Radius
Not Available   
200.00 pm   
28
Atomic Weight
285.00 amu   
5
247.00 amu   
18
Atomic Volume
Not Available   
18.28 cm3/mol   
26
Adjacent Atomic Numbers
  
  
Previous Element
Roentgenium
  
Americium
  
Next Element
Nihonium
  
Berkelium
  
Valence Electron Potential
Not Available   
44.50 (-eV)   
38
Lattice Constant
Not Available   
Not Available   
Lattice Angles
NA   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
23.70 g/cm3   
7
13.51 g/cm3   
25
Density When Liquid (at m.p.)
Not Available   
13.85 g/cm3   
10
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Elasticity properties
  
  
Poisson Ratio
Not Available   
Not Available   
Other Mechanical Properties
Unknown   
Unknown   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
13.51   
17
Magnetic Ordering
Unknown   
Antiferromagnetic   
Electrical Properties
  
  
Resistivity
Not Available   
1.25 nΩ·m   
99+
Thermal Properties
Specific Heat
Not Available   
Not Available   
Molar Heat Capacity
Not Available   
Not Available   
Thermal Conductivity
Not Available   
Not Available   
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
Not Available   
Enthalpy
  
  
Enthalpy of Fusion
Not Available   
15.00 kJ/mol   
21
Standard Molar Entropy
Not Available   
Not Available   
Summary >>
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