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Actinium Copernicium Comparison

Actinium
Copernicium
Copernicium Actinium comparison


Periodic Table
Symbol
Ac   
Cn   
Group Number
Not Available   
12   
6
Period Number
7   
7   
Block
f block   
d block   
Element Family
Actinide   
Transition Metal   
CAS Number
7440348   
99+
54084263   
7
Space Group Name
Fm_ 3m   
Not Available   
Space Group Number
225.00   
2
Not Available   
Facts
Interesting Facts
Not Available   
Not Available   
Sources
Obtained by Treating Radium with Neutrons, Ores of metals   
Synthetically Produced   
History
  
  
Who Discovered
Friedrich Oskar Giesel   
Gesellschaft für Schwerionenforschung   
Discovery
In 1902   
In 1996   
Abundance
  
  
Uses
Uses & Benefits
  • Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
  
  • Currently known uses of Copernicium metal are limited to research purpose only.
  
Industrial Uses
NA   
NA   
Medical Uses
NA   
NA   
Other Uses
Alloys, Nuclear Research, Research Purposes   
Research Purposes   
Biological Properties
  
  
Toxicity
Toxic   
Unknown   
Present in Human Body
No   
No   
In Blood
0.00 Blood/mg dm-3   
37
Not Available   
In Bone
0.00 p.p.m.   
36
Not Available   
Physical Properties
Melting Point
1,227.00 °C   
38
Not Available   
Boiling Point
3,200.00 °C   
26
Not Available   
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Unknown   
Luster
NA   
Unknown Luster   
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
Ac   
Cn   
Isotopes
  
  
Known Isotopes
29   
10
1   
34
Electronegativity
  
  
Pauling Electronegativity
1.10   
99+
Not Available   
Allred Rochow Electronegativity
1.00   
36
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.90   
10
Not Available   
Ionization Energies
  
  
1st Energy Level
499.00 kJ/mol   
99+
1,154.90 kJ/mol   
2
2nd Energy Level
1,170.00 kJ/mol   
99+
2,170.00 kJ/mol   
9
3rd Energy Level
1,900.00 kJ/mol   
99+
4,245.40 kJ/mol   
9
4th Energy Level
4,700.00 kJ/mol   
23
5,499.70 kJ/mol   
14
Electrochemical Equivalent
2.82 g/amp-hr   
18
Not Available   
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
89   
29
112   
6
Electron Configuration
[Rn] 6d1 7s2   
[Rn] 5f14 6d10 7s2   
Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Actinium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
89   
29
112   
6
Number of Neutrons
138   
16
Not Available   
Number of Electrons
89   
29
112   
6
Radius of an Atom
  
  
Atomic Radius
195.00 pm   
7
147.00 pm   
34
Covalent Radius
Not Available   
122.00 pm   
99+
Atomic Weight
227.00 amu   
25
285.00 amu   
5
Atomic Volume
22.54 cm3/mol   
11
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Radium
  
Roentgenium
  
Next Element
Thorium
  
Nihonium
  
Valence Electron Potential
38.60 (-eV)   
99+
Not Available   
Lattice Constant
567.00 pm   
8
Not Available   
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
10.00 g/cm3   
37
23.70 g/cm3   
7
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Elasticity properties
  
  
Poisson Ratio
Not Available   
Not Available   
Other Mechanical Properties
NA   
Unknown   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
10.07   
28
Not Available   
Magnetic Ordering
Paramagnetic   
Unknown   
Electrical Properties
  
  
Thermal Properties
Specific Heat
0.12 J/(kg K)   
40
Not Available   
Molar Heat Capacity
27.20 J/mol·K   
18
Not Available   
Thermal Conductivity
12.00 W/m·K   
99+
Not Available   
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
Not Available   
Enthalpy
  
  
Enthalpy of Atomization
301.00 kJ/mol   
36
Not Available   
Standard Molar Entropy
56.50 J/mol.K   
25
Not Available   
Summary >>
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