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Manganese
Manganese




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What is Manganese?

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1 Periodic Table

1.1 Symbol

Mn

1.2 Group Number

7
Rank: 11 (Overall)
Gadolinium
0 17

1.3 Period Number

4
Rank: 4 (Overall)
Lithium
2 7

1.4 Block

d block

1.5 Element Family

Transition Metal

1.6 CAS Number

7439965
Rank: 82 (Overall)
Aluminium
7429905 54386242

1.7 Space Group Name

I_ 43m

1.8 Space Group Number

217.00
Rank: 4 (Overall)
Plutonium
11 229

2 Facts

2.1 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.

2.2 Sources

Found in Minerals, Mining, Ores of Minerals

2.3 History

2.3.1 Who Discovered

Johann Gottlieb Gahn

2.3.2 Discovery

In 1774

2.4 Abundance

2.4.1 Abundance In Universe

8 * 10-4 %
Rank: 8 (Overall)
Thallium
5E-09 0.11

2.4.2 Abundance In Sun

~0.001 %
Rank: 8 (Overall)
Beryllium
1E-08 0.1

2.4.3 Abundance In Meteorites

0.27 %
Rank: 8 (Overall)
Gold
1.7E-07 22

2.4.4 Abundance In Earth's Crust

0.11 %
Rank: 8 (Overall)
Radium
9.9E-12 8.1

2.4.5 Abundance In Oceans

0.00 %
Rank: 13 (Overall)
Protactinium
2E-23 1.1

2.4.6 Abundance In Humans

0.00 %
Rank: 13 (Overall)
Radium
1E-13 1.4

3 Uses

3.1 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.

3.1.1 Industrial Uses

Automobile Industry, Electrical Industry, Electronic Industry

3.1.2 Medical Uses

NA

3.1.3 Other Uses

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Toxic

3.2.2 Present in Human Body

60% - Transition Metals Metals have it !

3.2.3 In Blood

0.08 Blood/mg dm-3
Rank: 14 (Overall)
Plutonium
0 1970

3.2.4 In Bone

100.00 p.p.m.
Rank: 8 (Overall)
Plutonium
0 170000

4 Physical

4.1 Melting Point

1,245.00 °C
Rank: 37 (Overall)
Francium
27 3410

4.2 Boiling Point

1,962.00 °C
Rank: 51 (Overall)
Flerovium
147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Silver

4.3.3 Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

6.00
Rank: 6 (Overall)
Cesium
0.2 8.5

4.4.2 Brinell Hardness

196.00 MPa
Rank: 41 (Overall)
Cesium
0.14 3490

4.4.3 Vickers Hardness

Not Available
Rank: N/A (Overall)
Palladium
121 3430

4.5 Speed of Sound

5,150.00 m/s
Rank: 7 (Overall)
Thallium
818 16200

4.6 Optical Properties

4.6.1 Refractive Index

Not Available
Rank: N/A (Overall)
Mercury
1.000933 1.7229

4.6.2 Reflectivity

Not Available
Rank: N/A (Overall)
Molybdenum
58 97

4.7 Allotropes

6% - Transition Metals Metals have it !

4.7.1 α Allotropes

Not Available

4.7.2 β Allotropes

Not Available

4.7.3 γ Allotropes

Not Available

5 Chemical

5.1 Chemical Formula

Mn

5.2 Isotopes

5.2.1 Known Isotopes

21
Rank: 18 (Overall)
Tennessine
0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

1.55
Rank: 25 (Overall)
Francium
0.7 2.54

5.3.2 Sanderson Electronegativity

2.20
Rank: 7 (Overall)
Cesium
0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.60
Rank: 9 (Overall)
Cesium
0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

Not Available
Rank: N/A (Overall)
Cesium
0.62 2.48

5.3.5 Allen Electronegativity

1.75
Rank: 15 (Overall)
Cesium
0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

2.45
Rank: 29 (Overall)
Gold
1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

717.30 kJ/mol
Rank: 30 (Overall)
Cesium
375.7 26130

5.5.2 2nd Energy Level

1,509.00 kJ/mol
Rank: 39 (Overall)
Ruthenium
710.2162 28750

5.5.3 3rd Energy Level

3,248.00 kJ/mol
Rank: 21 (Overall)
Osmium
1600 34230

5.5.4 4th Energy Level

4,940.00 kJ/mol
Rank: 20 (Overall)
Thorium
2780 37066

5.5.5 5th Energy Level

6,990.00 kJ/mol
Rank: 17 (Overall)
Dubnium
4305.2 97510

5.5.6 6th Energy Level

9,220.00 kJ/mol
Rank: 16 (Overall)
Seaborgium
5715.8 105800

5.5.7 7th Energy level

11,500.00 kJ/mol
Rank: 16 (Overall)
Bohrium
7226.8 114300

5.5.8 8th Energy Level

18,770.00 kJ/mol
Rank: 5 (Overall)
Hassium
8857.4 125300

5.5.9 9th Energy Level

21,400.00 kJ/mol
Rank: 6 (Overall)
Yttrium
14110 134700

5.5.10 10th Energy Level

23,960.00 kJ/mol
Rank: 9 (Overall)
Strontium
17100 144300

5.5.11 11th Energy Level

27,590.00 kJ/mol
Rank: 10 (Overall)
Yttrium
19900 169988

5.5.12 12th Energy Level

30,330.00 kJ/mol
Rank: 10 (Overall)
Molybdenum
22219 189368

5.5.13 13th Energy Level

33,150.00 kJ/mol
Rank: 11 (Overall)
Molybdenum
26930 76015

5.5.14 14th Energy Level

38,880.00 kJ/mol
Rank: 10 (Overall)
Molybdenum
29196 86450

5.5.15 15th Energy Level

41,987.00 kJ/mol
Rank: 13 (Overall)
Copper
41987 97510

5.5.16 16th Energy Level

109,480.00 kJ/mol
Rank: 1 (Overall)
Iron
47206 109480

5.5.17 17th Energy Level

118,100.00 kJ/mol
Rank: 2 (Overall)
Cobalt
52737 122200

5.5.18 18th Energy Level

127,100.00 kJ/mol
Rank: 3 (Overall)
Nickel
58570 134810

5.5.19 19th Energy Level

138,600.00 kJ/mol
Rank: 4 (Overall)
Copper
64702 148700

5.5.20 20th Energy Level

148,500.00 kJ/mol
Rank: 6 (Overall)
Molybdenum
80400 171200

5.5.21 21st Energy Level

158,600.00 kJ/mol
Rank: 6 (Overall)
Molybdenum
87000 179100

5.5.22 22nd Energy Level

172,500.00 kJ/mol
Rank: 5 (Overall)
Molybdenum
93400 184900

5.5.23 23rd Energy Level

181,380.00 kJ/mol
Rank: 5 (Overall)
Molybdenum
98420 198800

5.5.24 24th Energy Level

Not Available
Rank: 100 (Overall)
Molybdenum
104400 195200

5.5.25 25th Energy Level

Not Available
Rank: 100 (Overall)
Molybdenum
121900 121900

5.5.26 26th Energy Level

Not Available
Rank: N/A (Overall)
Molybdenum
127700 127700

5.5.27 27th Energy Level

Not Available
Rank: N/A (Overall)
Molybdenum
133800 133800

5.5.28 28th Energy Level

Not Available
Rank: N/A (Overall)
Molybdenum
139800 139800

5.5.29 29th Energy Level

Not Available
Rank: N/A (Overall)
Molybdenum
148100 148100

5.5.30 30th Energy Level

Not Available
Rank: N/A (Overall)
Molybdenum
154500 154500

5.6 Electrochemical Equivalent

0.29 g/amp-hr
Rank: 74 (Overall)
Beryllium
0.16812 8.3209

5.7 Electron Work Function

4.10 eV
Rank: 25 (Overall)
Cesium
2.14 5.65

5.8 Other Chemical Properties

Ionization, Radioactive Isotopes

6 Atomic

6.1 Atomic Number

25
Rank: 81 (Overall)
Lithium
3 117

6.2 Electron Configuration

[Ar] 3d5 4s2

6.3 Crystal Structure

Body Centered Cubic (BCC)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

25
Rank: 80 (Overall)
Lithium
3 117

6.4.2 Number of Neutrons

30
Rank: 60 (Overall)
Lithium
4 184

6.4.3 Number of Electrons

25
Rank: 80 (Overall)
Lithium
3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

127.00 pm
Rank: 47 (Overall)
Beryllium
112 265

6.5.2 Covalent Radius

139.00 pm
Rank: 45 (Overall)
Beryllium
96 260

6.5.3 Van der Waals Radius

200.00 pm
Rank: 28 (Overall)
Zinc
139 348

6.6 Atomic Weight

54.94 amu
Rank: 75 (Overall)
Lithium
6.94 294

6.7 Atomic Volume

1.39 cm3/mol
Rank: 64 (Overall)
Palladium
1.39 71.07

6.8 Adjacent Atomic Numbers

6.8.1 Previous Element

6.8.2 Next Element

6.9 Valence Electron Potential

220.00 (-eV)
Rank: 2 (Overall)
Francium
8 392.42

6.10 Lattice Constant

891.25 pm
Rank: 1 (Overall)
Beryllium
228.58 891.25

6.11 Lattice Angles

π/2, π/2, π/2

6.12 Lattice C/A Ratio

Not Available
Rank: N/A (Overall)
Beryllium
1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

7.21 g/cm3
Rank: 57 (Overall)
Lithium
0.534 40.7

7.1.2 Density When Liquid (at m.p.)

5.95 g/cm3
Rank: 43 (Overall)
Lithium
0.512 20

7.2 Tensile Strength

Not Available
Rank: N/A (Overall)
Indium
2.5 11000

7.3 Viscosity

Not Available
Rank: N/A (Overall)
Mercury
0.001526 0.001526

7.4 Vapor Pressure

7.4.1 Vapor Pressure at 1000 K

0.00 (Pa)
Rank: 12 (Overall)
Cerium
2.47E-11 121

7.4.2 Vapor Pressure at 2000 K

Not Available
Rank: N/A (Overall)
Tungsten
2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

Not Available
Rank: N/A (Overall)
Potassium
1.3 222

7.5.2 Bulk Modulus

120.00 GPa
Rank: 14 (Overall)
Cesium
1.6 462

7.5.3 Young's Modulus

198.00 GPa
Rank: 12 (Overall)
Cesium
1.7 528

7.6 Poisson Ratio

Not Available
Rank: N/A (Overall)
Beryllium
0.032 0.47

7.7 Other Mechanical Properties

NA

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

7.21
Rank: 44 (Overall)
Lithium
0.53 4500

8.1.2 Magnetic Ordering

Paramagnetic

8.1.3 Permeability

Not Available
Rank: N/A (Overall)
Bismuth
1.25643E-06 0.0063

8.1.4 Susceptibility

Not Available
Rank: N/A (Overall)
Bismuth
-0.000166 200000

8.2 Electrical Properties

8.2.1 Electrical Property

Conductor

8.2.2 Resistivity

1.44 nΩ·m
Rank: 55 (Overall)
Thallium
0.18 961

8.2.3 Electrical Conductivity

0.01 106/cm Ω
Rank: 63 (Overall)
Plutonium
0.00666 0.63

8.2.4 Electron Affinity

0.00 kJ/mol
Rank: 40 (Overall)
Mercury
0 222.8

9 Thermal

9.1 Specific Heat

0.48 J/(kg K)
Rank: 11 (Overall)
Americium
0.11 3.6

9.2 Molar Heat Capacity

26.32 J/mol·K
Rank: 29 (Overall)
Beryllium
16.443 62.7

9.3 Thermal Conductivity

7.81 W/m·K
Rank: 68 (Overall)
Neptunium
6.3 429

9.4 Critical Temperature

Not Available
Rank: N/A (Overall)
Ytterbium
26.3 3223

9.5 Thermal Expansion

21.70 µm/(m·K)
Rank: 21 (Overall)
Tungsten
4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

219.70 kJ/mol
Rank: 41 (Overall)
Zinc
7.32 799.1

9.6.2 Enthalpy of Fusion

14.64 kJ/mol
Rank: 23 (Overall)
Cesium
2.1 35.23

9.6.3 Enthalpy of Atomization

280.30 kJ/mol
Rank: 38 (Overall)
Mercury
61.5 837

9.7 Standard Molar Entropy

32.00 J/mol.K
Rank: 48 (Overall)
Beryllium
9.5 198.1