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Copernicium Lanthanum Comparison

Copernicium
Lanthanum
Lanthanum Copernicium comparison


Periodic Table
Symbol
Cn  
La  
Group Number
12  
6
3  
15
Period Number
7  
6  
Block
d block  
f block  
Element Family
Transition Metal  
Lanthanide  
CAS Number
54084263  
7
7439910  
99+
Space Group Name
-  
P63/mmc  
Space Group Number
187.00  
8
194.00  
7
Facts
Interesting Facts
Copernicium was first synthesized in 1996 by a German research team.  
  • Lanthanum metal is highly malleable, ductile and sectile.
  • If exposed to air Lanthanum metal oxidizes rapidly.
  
Sources
Synthetically Produced  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Carl Gustaf Mosander  
Discovery
In 1996  
In 1838  
Abundance
  
  
Abundance In Universe
0.00 %  
39
0.00 %  
23
Abundance In Sun
-  
0.00 %  
25
Abundance In Meteorites
0.00 %  
99+
0.00 %  
32
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
19
Abundance In Oceans
-  
0.00 %  
29
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Copernicium metal are limited to research purpose only.
  
  • It has no commercial uses, but its alloys are in high demand. Lanthanum and Nickel alloy is used for the hydrogen gas storage.
  • The best-known use for mischmetal alloy of Lanthanum is; as a ‘flints’ for cigarette lighters.
  
Industrial Uses
-  
Electrical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Alloys, Mirror Manufacturing  
Biological Properties
  
  
Toxicity
-  
Low Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
32
In Bone
0.00 p.p.m.  
99+
0.08 p.p.m.  
29
Physical
Melting Point
-  
920.00 °C  
99+
Boiling Point
0.00 °C  
99+
3,469.00 °C  
19
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery White  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
4.00  
11
2.50  
15
Brinell Hardness
240.00 MPa  
99+
350.00 MPa  
36
Vickers Hardness
3,570.00 MPa  
2
360.00 MPa  
99+
Speed of Sound
3,570.00 m/s  
30
2,475.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.90  
18
1.80  
22
Reflectivity
45.00 %  
32
70.00 %  
13
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Cn  
La  
Isotopes
  
  
Known Isotopes
1  
34
31  
8
Electronegativity
  
  
Pauling Electronegativity
1.90  
12
1.10  
99+
Sanderson Electronegativity
1.30  
25
1.10  
38
Allred Rochow Electronegativity
1.90  
1
1.08  
32
Mulliken-Jaffe Electronegativity
1.90  
13
1.10  
99+
Allen Electronegativity
1.90  
8
1.10  
99+
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.90  
10
Ionization Energies
  
  
1st Energy Level
1,154.90 kJ/mol  
2
538.10 kJ/mol  
99+
2nd Energy Level
2,170.00 kJ/mol  
9
1,067.00 kJ/mol  
99+
3rd Energy Level
4,245.40 kJ/mol  
9
1,850.30 kJ/mol  
99+
4th Energy Level
5,499.70 kJ/mol  
23
4,819.00 kJ/mol  
32
5th Energy Level
3,570.00 kJ/mol  
99+
5,940.00 kJ/mol  
99+
6th Energy Level
7,030.00 kJ/mol  
99+
5,380.00 kJ/mol  
99+
7th Energy level
3,570.00 kJ/mol  
99+
5,380.00 kJ/mol  
99+
8th Energy Level
4,480.00 kJ/mol  
99+
5,380.00 kJ/mol  
99+
9th Energy Level
5,850.00 kJ/mol  
99+
5,380.00 kJ/mol  
99+
10th Energy Level
4,480.00 kJ/mol  
99+
5,380.00 kJ/mol  
99+
11th Energy Level
3,570.00 kJ/mol  
99+
5,380.00 kJ/mol  
99+
12th Energy Level
35,700.00 kJ/mol  
26
5,380.00 kJ/mol  
99+
13th Energy Level
4,480.00 kJ/mol  
99+
5,380.00 kJ/mol  
99+
14th Energy Level
1,157.00 kJ/mol  
99+
5,380.00 kJ/mol  
99+
15th Energy Level
35,700.00 kJ/mol  
99+
53,800.00 kJ/mol  
99+
16th Energy Level
35,700.00 kJ/mol  
99+
53,800.00 kJ/mol  
99+
17th Energy Level
1,157.00 kJ/mol  
16
538.10 kJ/mol  
99+
18th Energy Level
3,570.00 kJ/mol  
99+
5,380.00 kJ/mol  
99+
19th Energy Level
1,157.60 kJ/mol  
14
538.10 kJ/mol  
99+
20th Energy Level
0.00 kJ/mol  
99+
538.00 kJ/mol  
99+
21st Energy Level
1,157.00 kJ/mol  
28
538.10 kJ/mol  
99+
22nd Energy Level
357.00 kJ/mol  
99+
538.00 kJ/mol  
99+
23rd Energy Level
357.60 kJ/mol  
99+
5,380.00 kJ/mol  
25
24th Energy Level
357.60 kJ/mol  
99+
538.00 kJ/mol  
99+
25th Energy Level
0.00 kJ/mol  
99+
538.00 kJ/mol  
99+
26th Energy Level
357.60 kJ/mol  
99+
538.00 kJ/mol  
99+
27th Energy Level
0.00 kJ/mol  
99+
538.10 kJ/mol  
99+
28th Energy Level
1,157.00 kJ/mol  
2
538.00 kJ/mol  
99+
29th Energy Level
1,157.00 kJ/mol  
3
538.10 kJ/mol  
99+
30th Energy Level
357.60 kJ/mol  
99+
538.00 kJ/mol  
99+
Electrochemical Equivalent
3.00 g/amp-hr  
21
1.73 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
3.50 eV  
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
112  
6
57  
99+
Electron Configuration
[Rn] 5f14 6d10 7s2  
[Xe] 5d2 6s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Double Hexagonal Close Packed (DHCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
DHCP-Crystal-Structure-of-Lanthanum.jpg#100  
Atom
  
  
Number of Protons
112  
6
57  
99+
Number of Neutrons
285  
1
82  
99+
Number of Electrons
112  
6
57  
99+
Radius of an Atom
  
  
Atomic Radius
147.00 pm  
36
187.00 pm  
10
Covalent Radius
122.00 pm  
99+
207.00 pm  
6
Van der Waals Radius
0.00 pm  
99+
240.00 pm  
17
Atomic Weight
285.00 amu  
5
138.91 amu  
99+
Atomic Volume
17.80 cm3/mol  
99+
20.73 cm3/mol  
26
Adjacent Atomic Numbers
  
  
Previous Element
Roentgenium
  
Barium
  
Next Element
Nihonium
  
Cerium
  
Valence Electron Potential
0.00 (-eV)  
99+
40.71 (-eV)  
99+
Lattice Constant
-  
377.20 pm  
31
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.58  
36
1.62  
16
Mechanical
Density
  
  
Density At Room Temperature
23.70 g/cm3  
7
6.16 g/cm3  
99+
Density When Liquid (at m.p.)
23.70 g/cm3  
8
5.94 g/cm3  
99+
Tensile Strength
0.10 MPa  
99+
45.00 MPa  
40
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.98 (Pa)  
15
Elasticity properties
  
  
Shear Modulus
31.00 GPa  
25
14.30 GPa  
99+
Bulk Modulus
35.00 GPa  
99+
27.90 GPa  
99+
Young's Modulus
0.00 GPa  
99+
36.60 GPa  
99+
Poisson Ratio
0.35  
9
0.28  
17
Other Mechanical Properties
-  
Ductile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
23.70  
9
6.17  
99+
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
15
Susceptibility
0.00  
24
0.00  
25
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
4.90 nΩ·m  
99+
615.00 nΩ·m  
7
Electrical Conductivity
0.00 106/cm Ω  
99+
0.01 106/cm Ω  
99+
Electron Affinity
-  
48.00 kJ/mol  
28
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.19 J/(kg K)  
33
Molar Heat Capacity
13.10 J/mol·K  
99+
27.11 J/mol·K  
27
Thermal Conductivity
13.00 W/m·K  
99+
13.40 W/m·K  
99+
Critical Temperature
1,323.00 K  
99+
1,193.00 K  
99+
Thermal Expansion
13.80 µm/(m·K)  
31
12.10 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
357.20 kJ/mol  
31
399.60 kJ/mol  
24
Enthalpy of Fusion
-  
6.20 kJ/mol  
99+
Enthalpy of Atomization
-  
431.00 kJ/mol  
21
Standard Molar Entropy
55.00 J/mol.K  
34
56.90 J/mol.K  
31
Summary >>
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