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Thorium Copernicium Comparison


Copernicium Thorium comparison


Periodic Table

Symbol
Th  
Cn  

Group Number
0  
18
12  
6

Period Number
7  
7  

Block
f block  
d block  

Element Family
Actinide  
Transition Metal  

CAS Number
7440326  
99+
54084263  
7

Space Group Name
P63/mmc  
-  

Space Group Number
194.00  
7
187.00  
8

Facts

Interesting Facts
  • Thorium metal is used as an alternate option over Uranium for nuclear fuel.
  • Thorium metals appearance (silvery white, soft) is somewhat similar to Lead metal.
  
Copernicium was first synthesized in 1996 by a German research team.  

Sources
Found in Minerals, Mining  
Synthetically Produced  

History
  
  

Who Discovered
Jöns Jakob Berzelius  
Gesellschaft für Schwerionenforschung  

Discovery
In 1829  
In 1996  

Abundance
  
  

Abundance In Universe
0.00 %  
10
0.00 %  
39

Abundance In Sun
0.00 %  
9
-  

Abundance In Meteorites
0.05 %  
11
0.00 %  
99+

Abundance In Earth's Crust
0.66 %  
7
0.00 %  
99+

Abundance In Oceans
0.00 %  
15
-  

Abundance In Humans
0.00 %  
24
-  

Uses

Uses & Benefits
  • Thorium metal is used as an allying agent for Magnesium, It imparts greater strength and resistance to temperature.
  • compound of this metal Thorium oxide is used as an industrial catalyst.
  
  • Currently known uses of Copernicium metal are limited to research purpose only.
  

Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
-  

Medical Uses
Dentistry, Surgical Instruments Manufacturing  
-  

Other Uses
Alloys, Jewellery, Sculptures, Statues  
Research Purposes  

Biological Properties
  
  

Toxicity
Non Toxic  
-  

Present in Human Body
Yes  
No  

In Blood
0.00 Blood/mg dm-3  
36
0.00 Blood/mg dm-3  
40

In Bone
0.02 p.p.m.  
34
0.00 p.p.m.  
99+

Physical

Melting Point
1,750.00 °C  
17
-  

Boiling Point
4,790.00 °C  
8
0.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silver  
-  

Luster
-  
Unknown Luster  

Hardness
  
  

Mohs Hardness
3.00  
13
4.00  
11

Brinell Hardness
390.00 MPa  
35
240.00 MPa  
99+

Vickers Hardness
295.00 MPa  
99+
3,570.00 MPa  
2

Speed of Sound
2,490.00 m/s  
99+
3,570.00 m/s  
30

Optical Properties
  
  

Refractive Index
1.60  
33
1.90  
18

Reflectivity
15.00 %  
36
45.00 %  
32

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Th  
Cn  

Isotopes
  
  

Known Isotopes
28  
11
1  
34

Electronegativity
  
  

Pauling Electronegativity
1.30  
33
1.90  
12

Sanderson Electronegativity
1.30  
25
1.30  
25

Allred Rochow Electronegativity
1.11  
30
1.90  
1

Mulliken-Jaffe Electronegativity
1.30  
33
1.90  
13

Allen Electronegativity
1.30  
40
1.90  
8

Electropositivity
  
  

Pauling Electropositivity
2.70  
22
2.00  
99+

Ionization Energies
  
  

1st Energy Level
587.00 kJ/mol  
99+
1,154.90 kJ/mol  
2

2nd Energy Level
1,110.00 kJ/mol  
99+
2,170.00 kJ/mol  
9

3rd Energy Level
1,978.00 kJ/mol  
99+
4,245.40 kJ/mol  
9

4th Energy Level
2,780.00 kJ/mol  
99+
5,499.70 kJ/mol  
23

5th Energy Level
5,870.00 kJ/mol  
99+
3,570.00 kJ/mol  
99+

6th Energy Level
5,870.00 kJ/mol  
99+
7,030.00 kJ/mol  
99+

7th Energy level
5,870.00 kJ/mol  
99+
3,570.00 kJ/mol  
99+

8th Energy Level
5,870.00 kJ/mol  
99+
4,480.00 kJ/mol  
99+

9th Energy Level
5,870.00 kJ/mol  
99+
5,850.00 kJ/mol  
99+

10th Energy Level
5,870.00 kJ/mol  
99+
4,480.00 kJ/mol  
99+

11th Energy Level
5,870.00 kJ/mol  
99+
3,570.00 kJ/mol  
99+

12th Energy Level
5,870.00 kJ/mol  
99+
35,700.00 kJ/mol  
26

13th Energy Level
5,870.00 kJ/mol  
99+
4,480.00 kJ/mol  
99+

14th Energy Level
5,870.00 kJ/mol  
38
1,157.00 kJ/mol  
99+

15th Energy Level
58,700.00 kJ/mol  
99+
35,700.00 kJ/mol  
99+

16th Energy Level
58,700.00 kJ/mol  
39
35,700.00 kJ/mol  
99+

17th Energy Level
587.40 kJ/mol  
99+
1,157.00 kJ/mol  
16

18th Energy Level
5,870.00 kJ/mol  
99+
3,570.00 kJ/mol  
99+

19th Energy Level
587.00 kJ/mol  
99+
1,157.60 kJ/mol  
14

20th Energy Level
587.00 kJ/mol  
99+
0.00 kJ/mol  
99+

21st Energy Level
587.00 kJ/mol  
99+
1,157.00 kJ/mol  
28

22nd Energy Level
587.00 kJ/mol  
99+
357.00 kJ/mol  
99+

23rd Energy Level
587.00 kJ/mol  
99+
357.60 kJ/mol  
99+

24th Energy Level
587.00 kJ/mol  
99+
357.60 kJ/mol  
99+

25th Energy Level
587.00 kJ/mol  
99+
0.00 kJ/mol  
99+

26th Energy Level
587.40 kJ/mol  
99+
357.60 kJ/mol  
99+

27th Energy Level
587.40 kJ/mol  
99+
0.00 kJ/mol  
99+

28th Energy Level
587.40 kJ/mol  
99+
1,157.00 kJ/mol  
2

29th Energy Level
587.00 kJ/mol  
99+
1,157.00 kJ/mol  
3

30th Energy Level
587.40 kJ/mol  
99+
357.60 kJ/mol  
99+

Electrochemical Equivalent
2.16 g/amp-hr  
28
3.00 g/amp-hr  
21

Electron Work Function
3.41 eV  
99+
4.90 eV  
12

Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity  

Atomic

Atomic Number
90  
28
112  
6

Electron Configuration
[Rn] 6d2 7s2  
[Rn] 5f14 6d10 7s2  

Crystal Structure
Face Centered Cubic (FCC)  
Hexagonal Close Packed (HCP)  

Crystal Lattice
FCC-Crystal-Structure-of-Thorium.jpg#100  
BCC-Crystal-Structure-.jpg#100  

Atom
  
  

Number of Protons
90  
28
112  
6

Number of Neutrons
142  
16
285  
1

Number of Electrons
90  
28
112  
6

Radius of an Atom
  
  

Atomic Radius
179.80 pm  
17
147.00 pm  
36

Covalent Radius
206.00 pm  
7
122.00 pm  
99+

Van der Waals Radius
237.00 pm  
19
0.00 pm  
99+

Atomic Weight
232.04 amu  
23
285.00 amu  
5

Atomic Volume
19.90 cm3/mol  
32
17.80 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Actinium
  

Next Element
Nihonium
  

Valence Electron Potential
59.30 (-eV)  
24
0.00 (-eV)  
99+

Lattice Constant
508.42 pm  
16
-  

Lattice Angles
π/2, π/2, π/2  
-  

Lattice C/A Ratio
1.10  
99+
1.58  
36

Mechanical

Density
  
  

Density At Room Temperature
11.72 g/cm3  
34
23.70 g/cm3  
7

Density When Liquid (at m.p.)
11.72 g/cm3  
32
23.70 g/cm3  
8

Tensile Strength
75.00 MPa  
30
0.10 MPa  
99+

Viscosity
0.00  
23
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)  
22
0.00 (Pa)  
37

Elasticity properties
  
  

Shear Modulus
31.00 GPa  
25
31.00 GPa  
25

Bulk Modulus
54.00 GPa  
23
35.00 GPa  
99+

Young's Modulus
79.00 GPa  
26
0.00 GPa  
99+

Poisson Ratio
0.27  
20
0.35  
9

Other Mechanical Properties
Ductile  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
11.70  
36
23.70  
9

Magnetic Ordering
Paramagnetic  
-  

Permeability
0.00 H/m  
17
0.00 H/m  
17

Susceptibility
0.00  
24
0.00  
24

Electrical Properties
  
  

Electrical Property
Superconductor  
-  

Resistivity
157.00 nΩ·m  
22
4.90 nΩ·m  
99+

Electrical Conductivity
0.07 106/cm Ω  
36
0.00 106/cm Ω  
99+

Electron Affinity
0.00 kJ/mol  
99+
-  

Thermal

Specific Heat
0.12 J/(kg K)  
99+
0.10 J/(kg K)  
99+

Molar Heat Capacity
26.23 J/mol·K  
38
13.10 J/mol·K  
99+

Thermal Conductivity
54.00 W/m·K  
28
13.00 W/m·K  
99+

Critical Temperature
2,023.00 K  
20
1,323.00 K  
99+

Thermal Expansion
11.00 µm/(m·K)  
99+
13.80 µm/(m·K)  
31

Enthalpy
  
  

Enthalpy of Vaporization
429.00 kJ/mol  
20
357.20 kJ/mol  
31

Enthalpy of Fusion
15.48 kJ/mol  
19
-  

Enthalpy of Atomization
468.60 kJ/mol  
20
-  

Standard Molar Entropy
27.30 J/mol.K  
99+
55.00 J/mol.K  
34

Summary >>
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Actinide Series

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