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Manganese vs Seaborgium

Manganese
Seaborgium
Seaborgium vs Manganese


Periodic Table
Symbol
Mn  
Sg  
Group Number
7  
11
6  
12
Period Number
4  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7439965  
99+
54038812  
9
Space Group Name
I_ 43m  
-  
Space Group Number
217.00  
5
166.00  
9
Facts
Interesting Facts
  • Manganese is an essential trace element in all forms of life.
  • Manganese metal oxidizes very easily, but it does not fuse that easily.
  
  • Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
  • And other isotopes of Seaborgium have half-lives as short as 3 ms.
  
Sources
Found in Minerals, Mining, Ores of Minerals  
Synthetically Produced  
History
  
  
Who Discovered
Johann Gottlieb Gahn  
Lawrence Berkeley National Laboratory  
Discovery
In 1774  
In 1974  
Abundance
  
  
Abundance In Universe
0.00 %  
9
0.00 %  
40
Abundance In Sun
0.00 %  
8
-  
Abundance In Meteorites
0.27 %  
8
-  
Abundance In Earth's Crust
0.11 %  
8
-  
Abundance In Oceans
0.00 %  
13
-  
Abundance In Humans
0.00 %  
15
-  
Uses
Uses & Benefits
  • This metal is very brittle hence it mostly not used as a pure metal, but its alloys are very useful
  • Its alloy Manganese steel is extremely strong and used in railway tracks, safes, prison bars and riffle barrels.
  
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  
Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys  
Research Purposes  
Biological Properties
  
  
Toxicity
Toxic  
-  
Present in Human Body
Yes  
No  
In Blood
0.08 Blood/mg dm-3  
14
0.00 Blood/mg dm-3  
27
In Bone
100.00 p.p.m.  
8
0.00 p.p.m.  
99+
Physical
Melting Point
1,245.00 °C  
37
-  
Boiling Point
1,962.00 °C  
99+
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
-  
Luster
Metallic  
Unknown Luster  
Hardness
  
  
Mohs Hardness
6.00  
6
6.00  
6
Brinell Hardness
196.00 MPa  
99+
400.00 MPa  
34
Vickers Hardness
196.00 MPa  
99+
520.00 MPa  
33
Speed of Sound
5,150.00 m/s  
11
3,200.00 m/s  
35
Optical Properties
  
  
Refractive Index
2.00  
15
1.30  
99+
Reflectivity
70.00 %  
13
68.00 %  
15
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Mn  
Sg  
Isotopes
  
  
Known Isotopes
21  
18
9  
29
Electronegativity
  
  
Pauling Electronegativity
1.55  
26
0.00  
99+
Sanderson Electronegativity
2.20  
8
1.90  
13
Allred Rochow Electronegativity
1.60  
10
1.30  
25
Mulliken-Jaffe Electronegativity
1.55  
23
1.30  
33
Allen Electronegativity
1.75  
18
1.90  
8
Electropositivity
  
  
Pauling Electropositivity
2.45  
29
2.20  
39
Ionization Energies
  
  
1st Energy Level
717.30 kJ/mol  
30
757.40 kJ/mol  
21
2nd Energy Level
1,509.00 kJ/mol  
40
1,732.90 kJ/mol  
29
3rd Energy Level
3,248.00 kJ/mol  
21
2,483.50 kJ/mol  
99+
4th Energy Level
4,940.00 kJ/mol  
30
3,415.60 kJ/mol  
99+
5th Energy Level
6,990.00 kJ/mol  
29
4,561.80 kJ/mol  
99+
6th Energy Level
9,220.00 kJ/mol  
22
5,715.80 kJ/mol  
99+
7th Energy level
11,500.00 kJ/mol  
16
5,700.00 kJ/mol  
99+
8th Energy Level
18,770.00 kJ/mol  
5
5,700.00 kJ/mol  
99+
9th Energy Level
21,400.00 kJ/mol  
6
5,710.00 kJ/mol  
99+
10th Energy Level
23,960.00 kJ/mol  
9
6,270.00 kJ/mol  
99+
11th Energy Level
27,590.00 kJ/mol  
10
6,600.00 kJ/mol  
39
12th Energy Level
30,330.00 kJ/mol  
32
971.00 kJ/mol  
99+
13th Energy Level
33,150.00 kJ/mol  
11
5,700.00 kJ/mol  
99+
14th Energy Level
38,880.00 kJ/mol  
10
5,700.00 kJ/mol  
99+
15th Energy Level
41,987.00 kJ/mol  
99+
54,000.00 kJ/mol  
99+
16th Energy Level
109,480.00 kJ/mol  
1
64,000.00 kJ/mol  
27
17th Energy Level
118,100.00 kJ/mol  
2
579.80 kJ/mol  
99+
18th Energy Level
127,100.00 kJ/mol  
3
3,300.00 kJ/mol  
99+
19th Energy Level
138,600.00 kJ/mol  
4
579.80 kJ/mol  
99+
20th Energy Level
148,500.00 kJ/mol  
6
579.00 kJ/mol  
99+
21st Energy Level
158,600.00 kJ/mol  
6
6,270.00 kJ/mol  
14
22nd Energy Level
172,500.00 kJ/mol  
5
573.00 kJ/mol  
99+
23rd Energy Level
181,380.00 kJ/mol  
5
5,790.00 kJ/mol  
22
24th Energy Level
650.90 kJ/mol  
34
971.00 kJ/mol  
4
25th Energy Level
717.30 kJ/mol  
24
0.00 kJ/mol  
99+
26th Energy Level
650.90 kJ/mol  
35
579.10 kJ/mol  
99+
27th Energy Level
650.90 kJ/mol  
36
870.00 kJ/mol  
7
28th Energy Level
650.90 kJ/mol  
99+
870.00 kJ/mol  
10
29th Energy Level
650.90 kJ/mol  
99+
761.90 kJ/mol  
21
30th Energy Level
650.90 kJ/mol  
38
0.00 kJ/mol  
99+
Electrochemical Equivalent
0.29 g/amp-hr  
99+
3.20 g/amp-hr  
14
Electron Work Function
4.10 eV  
32
6.00 eV  
1
Other Chemical Properties
Ionization, Radioactive Isotopes  
-  
Atomic
Atomic Number
25  
99+
106  
12
Electron Configuration
[Ar] 3d5 4s2  
[Rn] 5f14 6d2 7s2  
Crystal Structure
Body Centered Cubic (BCC)  
Body Centered Cubic (BCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
25  
99+
106  
12
Number of Neutrons
30  
99+
157  
8
Number of Electrons
25  
99+
106  
12
Radius of an Atom
  
  
Atomic Radius
127.00 pm  
99+
132.00 pm  
99+
Covalent Radius
139.00 pm  
99+
143.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
230.00 pm  
24
Atomic Weight
54.94 amu  
99+
269.00 amu  
9
Atomic Volume
1.39 cm3/mol  
99+
35.00 cm3/mol  
8
Adjacent Atomic Numbers
  
  
Previous Element
Chromium
  
Dubnium
  
Next Element
Iron
  
Bohrium
  
Valence Electron Potential
220.00 (-eV)  
2
6.10 (-eV)  
99+
Lattice Constant
891.25 pm  
1
-  
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.55  
99+
1.36  
99+
Mechanical
Density
  
  
Density At Room Temperature
7.21 g/cm3  
99+
35.00 g/cm3  
4
Density When Liquid (at m.p.)
5.95 g/cm3  
99+
35.00 g/cm3  
4
Tensile Strength
370.00 MPa  
11
30.00 MPa  
99+
Viscosity
0.00  
2
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
12
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
99+
Elasticity properties
  
  
Shear Modulus
40.00 GPa  
19
30.00 GPa  
27
Bulk Modulus
120.00 GPa  
14
0.00 GPa  
99+
Young's Modulus
198.00 GPa  
13
12.60 GPa  
99+
Poisson Ratio
0.30  
14
0.25  
24
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
7.21  
99+
35.00  
6
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
7
0.00 H/m  
7
Susceptibility
0.00  
12
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
1.44 nΩ·m  
99+
0.38 nΩ·m  
99+
Electrical Conductivity
0.01 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
0.00 kJ/mol  
99+
50.00 kJ/mol  
26
Thermal
Specific Heat
0.48 J/(kg K)  
11
0.27 J/(kg K)  
19
Molar Heat Capacity
26.32 J/mol·K  
37
35.00 J/mol·K  
5
Thermal Conductivity
7.81 W/m·K  
99+
0.14 W/m·K  
99+
Critical Temperature
1,519.00 K  
40
1,200.00 K  
99+
Thermal Expansion
21.70 µm/(m·K)  
22
11.00 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
219.70 kJ/mol  
99+
585.00 kJ/mol  
10
Enthalpy of Fusion
14.64 kJ/mol  
25
-  
Enthalpy of Atomization
280.30 kJ/mol  
99+
650.00 kJ/mol  
8
Standard Molar Entropy
32.00 J/mol.K  
99+
42.70 J/mol.K  
99+
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