Symbol
Mn
Group Number
7
Rank: 11 (Overall)
0
17
👆🏻
Period Number
4
Rank: 4 (Overall)
2
7
👆🏻
Block
d block
Element Family
Transition Metal
CAS Number
7439965
Rank: 82 (Overall)
7429905
54386242
👆🏻
Space Group Name
I_ 43m
Space Group Number
217.00
Rank: 5 (Overall)
11
276
👆🏻
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.
Sources
Found in Minerals, Mining, Ores of Minerals
History
Who Discovered
Johann Gottlieb Gahn
Discovery
In 1774
Abundance
Abundance In Universe
0.00 %
Rank: 9 (Overall)
0
0.11
👆🏻
Abundance In Sun
0.00 %
Rank: 8 (Overall)
0
0.1
👆🏻
Abundance In Meteorites
0.27 %
Rank: 8 (Overall)
0
22
👆🏻
Abundance In Earth's Crust
0.11 %
Rank: 8 (Overall)
1E-37
8.1
👆🏻
Abundance In Oceans
0.00 %
Rank: 13 (Overall)
0
1.1
👆🏻
Abundance In Humans
0.00 %
Rank: 15 (Overall)
0
1.4
👆🏻
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.
Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry
Medical Uses
-
Other Uses
Alloys
Biological Properties
Toxicity
Toxic
Present in Human Body
✔
✘
60% - Transition Metals Metals have it !
In Blood
0.08 Blood/mg dm-3
Rank: 14 (Overall)
0
1970
👆🏻
In Bone
100.00 p.p.m.
Rank: 8 (Overall)
0
170000
👆🏻
Melting Point
1,245.00 °C
Rank: 37 (Overall)
-38.83
3410
👆🏻
Boiling Point
1,962.00 °C
Rank: 53 (Overall)
0
5660
👆🏻
Appearance
Physical State
Solid
Color
Silver
Luster
Metallic
Hardness
Mohs Hardness
6.00
Rank: 6 (Overall)
0.2
8.5
👆🏻
Brinell Hardness
196.00 MPa
Rank: 51 (Overall)
0.14
3490
👆🏻
Vickers Hardness
196.00 MPa
Rank: 55 (Overall)
0
3920
👆🏻
Speed of Sound
5,150.00 m/s
Rank: 11 (Overall)
818
16200
👆🏻
Optical Properties
Refractive Index
2.00
Rank: 15 (Overall)
0.155
3.41
👆🏻
Reflectivity
70.00 %
Rank: 13 (Overall)
5
97
👆🏻
Allotropes
✔
✘
6% - Transition Metals Metals
α Allotropes
-
β Allotropes
-
γ Allotropes
-
Chemical Formula
Mn
Isotopes
Known Isotopes
21
Rank: 18 (Overall)
0
38
👆🏻
Electronegativity
Pauling Electronegativity
1.55
Rank: 26 (Overall)
0
2.6
👆🏻
Sanderson Electronegativity
2.20
Rank: 8 (Overall)
0.22
2.56
👆🏻
Allred Rochow Electronegativity
1.60
Rank: 10 (Overall)
0.86
1.9
👆🏻
Mulliken-Jaffe Electronegativity
1.55
Rank: 23 (Overall)
0.62
2.48
👆🏻
Allen Electronegativity
1.75
Rank: 18 (Overall)
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.45
Rank: 29 (Overall)
1.46
3.3
👆🏻
Ionization Energies
1st Energy Level
717.30 kJ/mol
Rank: 30 (Overall)
375.7
26130
👆🏻
2nd Energy Level
1,509.00 kJ/mol
Rank: 40 (Overall)
392.8
28750
👆🏻
3rd Energy Level
3,248.00 kJ/mol
Rank: 21 (Overall)
392.8
34230
👆🏻
4th Energy Level
4,940.00 kJ/mol
Rank: 30 (Overall)
375.7
37066
👆🏻
5th Energy Level
6,990.00 kJ/mol
Rank: 29 (Overall)
392
97510
👆🏻
6th Energy Level
9,220.00 kJ/mol
Rank: 22 (Overall)
1007
105800
👆🏻
7th Energy level
11,500.00 kJ/mol
Rank: 16 (Overall)
1007
114300
👆🏻
8th Energy Level
18,770.00 kJ/mol
Rank: 5 (Overall)
730
125300
👆🏻
9th Energy Level
21,400.00 kJ/mol
Rank: 6 (Overall)
1007
134700
👆🏻
10th Energy Level
23,960.00 kJ/mol
Rank: 9 (Overall)
392
144300
👆🏻
11th Energy Level
27,590.00 kJ/mol
Rank: 10 (Overall)
392
169988
👆🏻
12th Energy Level
30,330.00 kJ/mol
Rank: 32 (Overall)
0
189368
👆🏻
13th Energy Level
33,150.00 kJ/mol
Rank: 11 (Overall)
1007
76015
👆🏻
14th Energy Level
38,880.00 kJ/mol
Rank: 10 (Overall)
380
86450
👆🏻
15th Energy Level
41,987.00 kJ/mol
Rank: 81 (Overall)
33000
100700
👆🏻
16th Energy Level
109,480.00 kJ/mol
Rank: 1 (Overall)
375.7
109480
👆🏻
17th Energy Level
118,100.00 kJ/mol
Rank: 2 (Overall)
375.7
122200
👆🏻
18th Energy Level
127,100.00 kJ/mol
Rank: 3 (Overall)
0
134810
👆🏻
19th Energy Level
138,600.00 kJ/mol
Rank: 4 (Overall)
375.7
148700
👆🏻
20th Energy Level
148,500.00 kJ/mol
Rank: 6 (Overall)
0
171200
👆🏻
21st Energy Level
158,600.00 kJ/mol
Rank: 6 (Overall)
375.7
179100
👆🏻
22nd Energy Level
172,500.00 kJ/mol
Rank: 5 (Overall)
330
184900
👆🏻
23rd Energy Level
181,380.00 kJ/mol
Rank: 5 (Overall)
357.6
198800
👆🏻
24th Energy Level
650.90 kJ/mol
Rank: 34 (Overall)
297.3
195200
👆🏻
25th Energy Level
717.30 kJ/mol
Rank: 24 (Overall)
0
121900
👆🏻
26th Energy Level
650.90 kJ/mol
Rank: 35 (Overall)
357.6
127700
👆🏻
27th Energy Level
650.90 kJ/mol
Rank: 36 (Overall)
0
133800
👆🏻
28th Energy Level
650.90 kJ/mol
Rank: 41 (Overall)
297.3
139800
👆🏻
29th Energy Level
650.90 kJ/mol
Rank: 42 (Overall)
0
148100
👆🏻
30th Energy Level
650.90 kJ/mol
Rank: 38 (Overall)
0
154500
👆🏻
Electrochemical Equivalent
0.29 g/amp-hr
Rank: 78 (Overall)
0.16812
8.3209
👆🏻
Electron Work Function
4.10 eV
Rank: 32 (Overall)
2.14
6
👆🏻
Other Chemical Properties
Ionization, Radioactive Isotopes
Atomic Number
25
Rank: 81 (Overall)
3
117
👆🏻
Electron Configuration
[Ar] 3d5 4s2
Crystal Structure
Body Centered Cubic (BCC)
Crystal Lattice
Atom
Number of Protons
25
Rank: 80 (Overall)
3
117
👆🏻
Number of Neutrons
30
Rank: 61 (Overall)
4
285
👆🏻
Number of Electrons
25
Rank: 80 (Overall)
3
117
👆🏻
Radius of an Atom
Atomic Radius
127.00 pm
Rank: 49 (Overall)
0
348
👆🏻
Covalent Radius
139.00 pm
Rank: 47 (Overall)
0
260
👆🏻
Van der Waals Radius
200.00 pm
Rank: 35 (Overall)
0
348
👆🏻
Atomic Weight
54.94 amu
Rank: 75 (Overall)
6.94
294
👆🏻
Atomic Volume
1.39 cm3/mol
Rank: 82 (Overall)
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
220.00 (-eV)
Rank: 2 (Overall)
0
392.42
👆🏻
Lattice Constant
891.25 pm
Rank: 1 (Overall)
0
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
Lattice C/A Ratio
1.55
Rank: 45 (Overall)
0.423
1.9
👆🏻
Density
Density At Room Temperature
7.21 g/cm3
Rank: 62 (Overall)
0.534
40.7
👆🏻
Density When Liquid (at m.p.)
5.95 g/cm3
Rank: 72 (Overall)
0.512
41
👆🏻
Tensile Strength
370.00 MPa
Rank: 11 (Overall)
0.1
11000
👆🏻
Viscosity
0.00
Rank: 2 (Overall)
1.5E-05
0.0035
👆🏻
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)
Rank: 12 (Overall)
0
121
👆🏻
Vapor Pressure at 2000 K
0.00 (Pa)
Rank: 30 (Overall)
0
774
👆🏻
Elasticity properties
Shear Modulus
40.00 GPa
Rank: 19 (Overall)
1.3
222
👆🏻
Bulk Modulus
120.00 GPa
Rank: 14 (Overall)
0
462
👆🏻
Young's Modulus
198.00 GPa
Rank: 13 (Overall)
0
528
👆🏻
Poisson Ratio
0.30
Rank: 14 (Overall)
0.032
0.47
👆🏻
Other Mechanical Properties
-
Magnetic Characteristics
Specific Gravity
7.21
Rank: 60 (Overall)
0.53
4500
👆🏻
Magnetic Ordering
Paramagnetic
Permeability
0.00 H/m
Rank: 7 (Overall)
1.25643E-06
0.0063
👆🏻
Susceptibility
0.00
Rank: 12 (Overall)
-0.000166
200000
👆🏻
Electrical Properties
Electrical Property
Conductor
Resistivity
1.44 nΩ·m
Rank: 67 (Overall)
0.1
961
👆🏻
Electrical Conductivity
0.01 106/cm Ω
Rank: 68 (Overall)
0
0.63
👆🏻
Electron Affinity
0.00 kJ/mol
Rank: 49 (Overall)
0
222.8
👆🏻
Specific Heat
0.48 J/(kg K)
Rank: 11 (Overall)
0.1
3.6
👆🏻
Molar Heat Capacity
26.32 J/mol·K
Rank: 37 (Overall)
13.1
62.7
👆🏻
Thermal Conductivity
7.81 W/m·K
Rank: 71 (Overall)
0
429
👆🏻
Critical Temperature
1,519.00 K
Rank: 40 (Overall)
26.3
3695
👆🏻
Thermal Expansion
21.70 µm/(m·K)
Rank: 22 (Overall)
4.5
97
👆🏻
Enthalpy
Enthalpy of Vaporization
219.70 kJ/mol
Rank: 62 (Overall)
7.32
799.1
👆🏻
Enthalpy of Fusion
14.64 kJ/mol
Rank: 25 (Overall)
2.1
35.23
👆🏻
Enthalpy of Atomization
280.30 kJ/mol
Rank: 49 (Overall)
61.5
837
👆🏻
Standard Molar Entropy
32.00 J/mol.K
Rank: 65 (Overall)
9.5
198.1
👆🏻