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Meitnerium vs Manganese

Meitnerium
Manganese
Manganese vs Meitnerium


Periodic Table
Symbol
Mt  
Mn  
Group Number
9  
9
7  
11
Period Number
7  
4  
Block
d block  
d block  
Element Family
Probably Transition  
Transition Metal  
CAS Number
54038016  
10
7439965  
99+
Space Group Name
-  
I_ 43m  
Space Group Number
166.00  
9
217.00  
5
Facts
Interesting Facts
Meitnerium is named after Lise Meitner, an Austrian physicist.  
  • Manganese is an essential trace element in all forms of life.
  • Manganese metal oxidizes very easily, but it does not fuse that easily.
  
Sources
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Johann Gottlieb Gahn  
Discovery
In 1982  
In 1774  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
9
Abundance In Sun
-  
0.00 %  
8
Abundance In Meteorites
0.00 %  
99+
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
  • Currently known uses of Meitnerium metal are limited to research purpose only.
  
  • 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.
  
Industrial Uses
-  
Automobile Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
-  
Alloys  
Biological Properties
  
  
Toxicity
-  
Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.08 Blood/mg dm-3  
14
In Bone
0.00 p.p.m.  
99+
100.00 p.p.m.  
8
Physical
Melting Point
-  
1,245.00 °C  
37
Boiling Point
0.00 °C  
99+
1,962.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silver  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
-  
6.00  
6
Brinell Hardness
400.00 MPa  
34
196.00 MPa  
99+
Vickers Hardness
350.00 MPa  
99+
196.00 MPa  
99+
Speed of Sound
3,200.00 m/s  
35
5,150.00 m/s  
11
Optical Properties
  
  
Refractive Index
1.30  
99+
2.00  
15
Reflectivity
68.00 %  
15
70.00 %  
13
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Mt  
Mn  
Isotopes
  
  
Known Isotopes
4  
33
21  
18
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.55  
26
Sanderson Electronegativity
1.90  
13
2.20  
8
Allred Rochow Electronegativity
1.30  
25
1.60  
10
Mulliken-Jaffe Electronegativity
1.30  
33
1.55  
23
Allen Electronegativity
1.30  
40
1.75  
18
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.45  
29
Ionization Energies
  
  
1st Energy Level
800.80 kJ/mol  
15
717.30 kJ/mol  
30
2nd Energy Level
1,823.60 kJ/mol  
18
1,509.00 kJ/mol  
40
3rd Energy Level
2,904.20 kJ/mol  
31
3,248.00 kJ/mol  
21
4th Energy Level
3,859.40 kJ/mol  
99+
4,940.00 kJ/mol  
30
5th Energy Level
4,920.80 kJ/mol  
99+
6,990.00 kJ/mol  
29
6th Energy Level
8,000.00 kJ/mol  
34
9,220.00 kJ/mol  
22
7th Energy level
8,000.00 kJ/mol  
28
11,500.00 kJ/mol  
16
8th Energy Level
8,000.00 kJ/mol  
28
18,770.00 kJ/mol  
5
9th Energy Level
6,700.00 kJ/mol  
36
21,400.00 kJ/mol  
6
10th Energy Level
5,800.00 kJ/mol  
99+
23,960.00 kJ/mol  
9
11th Energy Level
6,300.00 kJ/mol  
99+
27,590.00 kJ/mol  
10
12th Energy Level
0.00 kJ/mol  
99+
30,330.00 kJ/mol  
32
13th Energy Level
8,000.00 kJ/mol  
20
33,150.00 kJ/mol  
11
14th Energy Level
1,156.00 kJ/mol  
99+
38,880.00 kJ/mol  
10
15th Energy Level
80,000.00 kJ/mol  
17
41,987.00 kJ/mol  
99+
16th Energy Level
58,700.00 kJ/mol  
39
109,480.00 kJ/mol  
1
17th Energy Level
1,110.00 kJ/mol  
20
118,100.00 kJ/mol  
2
18th Energy Level
8,000.00 kJ/mol  
23
127,100.00 kJ/mol  
3
19th Energy Level
1,110.00 kJ/mol  
17
138,600.00 kJ/mol  
4
20th Energy Level
850.00 kJ/mol  
18
148,500.00 kJ/mol  
6
21st Energy Level
800.00 kJ/mol  
99+
158,600.00 kJ/mol  
6
22nd Energy Level
380.00 kJ/mol  
99+
172,500.00 kJ/mol  
5
23rd Energy Level
8,000.00 kJ/mol  
9
181,380.00 kJ/mol  
5
24th Energy Level
565.60 kJ/mol  
99+
650.90 kJ/mol  
34
25th Energy Level
800.00 kJ/mol  
13
717.30 kJ/mol  
24
26th Energy Level
800.00 kJ/mol  
13
650.90 kJ/mol  
35
27th Energy Level
800.00 kJ/mol  
12
650.90 kJ/mol  
36
28th Energy Level
800.00 kJ/mol  
18
650.90 kJ/mol  
99+
29th Energy Level
800.00 kJ/mol  
18
650.90 kJ/mol  
99+
30th Energy Level
800.00 kJ/mol  
13
650.90 kJ/mol  
38
Electrochemical Equivalent
3.00 g/amp-hr  
21
0.29 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
4.10 eV  
32
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes  
Atomic
Atomic Number
109  
9
25  
99+
Electron Configuration
[Rn] 5f14 6d7 7s2  
[Ar] 3d5 4s2  
Crystal Structure
Face Centered Cubic (FCC)  
Body Centered Cubic (BCC)  
Crystal Lattice
FCC-Crystal-Structure-of-Meitnerium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
109  
9
25  
99+
Number of Neutrons
157  
8
30  
99+
Number of Electrons
109  
9
25  
99+
Radius of an Atom
  
  
Atomic Radius
122.00 pm  
99+
127.00 pm  
99+
Covalent Radius
129.00 pm  
99+
139.00 pm  
99+
Van der Waals Radius
260.00 pm  
9
200.00 pm  
35
Atomic Weight
278.00 amu  
7
54.94 amu  
99+
Atomic Volume
20.20 cm3/mol  
30
1.39 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Hassium
  
Chromium
  
Next Element
Darmstadtium
  
Iron
  
Valence Electron Potential
31.20 (-eV)  
99+
220.00 (-eV)  
2
Lattice Constant
0.00 pm  
99+
891.25 pm  
1
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.59  
27
1.55  
99+
Mechanical
Density
  
  
Density At Room Temperature
37.40 g/cm3  
2
7.21 g/cm3  
99+
Density When Liquid (at m.p.)
37.40 g/cm3  
2
5.95 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
370.00 MPa  
11
Viscosity
0.00  
25
0.00  
2
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
12
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
35.00 GPa  
21
40.00 GPa  
19
Bulk Modulus
0.00 GPa  
99+
120.00 GPa  
14
Young's Modulus
13.50 GPa  
99+
198.00 GPa  
13
Poisson Ratio
0.25  
24
0.30  
14
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
37.40  
4
7.21  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
12
0.00 H/m  
7
Susceptibility
0.00  
24
0.00  
12
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
0.35 nΩ·m  
99+
1.44 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.01 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.48 J/(kg K)  
11
Molar Heat Capacity
27.00 J/mol·K  
29
26.32 J/mol·K  
37
Thermal Conductivity
0.00 W/m·K  
99+
7.81 W/m·K  
99+
Critical Temperature
1,323.00 K  
99+
1,519.00 K  
40
Thermal Expansion
10.30 µm/(m·K)  
99+
21.70 µm/(m·K)  
22
Enthalpy
  
  
Enthalpy of Vaporization
110.00 kJ/mol  
99+
219.70 kJ/mol  
99+
Enthalpy of Fusion
-  
14.64 kJ/mol  
25
Enthalpy of Atomization
350.20 kJ/mol  
37
280.30 kJ/mol  
99+
Standard Molar Entropy
63.80 J/mol.K  
22
32.00 J/mol.K  
99+
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