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Fermium
Fermium

Manganese
Manganese



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Fermium
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Manganese

Fermium Manganese Comparison

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1 Periodic Table
1.1 Symbol
Fm
Mn
1.2 Group Number
NA7
Gadolinium Metal
0 17
1.3 Period Number
74
Lithium Metal
2 7
1.4 Block
f block
d block
1.5 Element Family
Actinide
Transition Metal
1.6 CAS Number
74407247439965
Aluminium Metal
7429905 54386242
1.7 Space Group Name
Not Available
I_ 43m
1.8 Space Group Number
NA217.00
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • Fermium metal is highly radioactive in nature.
  • Fermium is synthetically produced metal.
  • 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
Bombarding Pu-239 with Neutrons
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Johann Gottlieb Gahn
2.3.2 Discovery
In 1952
In 1774
2.4 Abundance
2.4.1 Abundance In Universe
NA8 * 10-4 %
Thallium Metal
5E-09 0.11
2.4.2 Abundance In Sun
~-9999 %~0.001 %
Beryllium Metal
1E-08 0.1
2.5.1 Abundance In Meteorites
NA0.27 %
Gold Metal
1.7E-07 22
2.8.1 Abundance In Earth's Crust
NA0.11 %
Radium Metal
9.9E-12 8.1
2.10.1 Abundance In Oceans
NA0.00 %
Protactinium Metal
2E-23 1.1
3.4.2 Abundance In Humans
NA0.00 %
Radium Metal
1E-13 1.4
4 Uses
4.1 Uses & Benefits
  • Currently known uses of Fermium 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.
4.1.1 Industrial Uses
NA
Automobile Industry, Electrical Industry, Electronic Industry
4.1.2 Medical Uses
NA
NA
4.1.3 Other Uses
NA
Alloys
4.2 Biological Properties
4.2.1 Toxicity
Unknown
Toxic
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-30.08 Blood/mg dm-3
Plutonium Metal
0 1970
4.2.5 In Bone
0.00 p.p.m.100.00 p.p.m.
Plutonium Metal
0 170000
5 Physical
5.1 Melting Point
1,527.00 °C1,245.00 °C
Francium Metal
27 3410
5.2 Boiling Point
NA1,962.00 °C
Flerovium Metal
147 5660
5.3 Appearance
5.3.1 Physical State
Solid
Solid
5.3.2 Color
Unknown
Silver
5.3.3 Luster
Not Defined
Metallic
5.4 Hardness
5.4.1 Mohs Hardness
NA6.00
Cesium Metal
0.2 8.5
5.4.3 Brinell Hardness
NA196.00 MPa
Cesium Metal
0.14 3490
6.2.4 Vickers Hardness
NANA
Palladium Metal
121 3430
6.3 Speed of Sound
NA5,150.00 m/s
Thallium Metal
818 16200
7.2 Optical Properties
7.2.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
7.2.2 Reflectivity
NANA
Molybdenum Metal
58 97
7.4 Allotropes
7.4.1 α Allotropes
Not Available
Not Available
7.4.2 β Allotropes
Not Available
Not Available
7.4.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
Fm
Mn
8.2 Isotopes
8.2.1 Known Isotopes
1821
Tennessine Metal
0 38
8.3 Electronegativity
8.3.1 Pauling Electronegativity
1.301.55
Francium Metal
0.7 2.54
8.5.2 Sanderson Electronegativity
NA2.20
Cesium Metal
0.22 2.56
8.5.4 Allred Rochow Electronegativity
1.201.60
Cesium Metal
0.86 1.82
8.5.6 Mulliken-Jaffe Electronegativity
NANA
Cesium Metal
0.62 2.48
8.5.7 Allen Electronegativity
NA1.75
Cesium Metal
0.659 2.7
8.7 Electropositivity
8.7.1 Pauling Electropositivity
2.702.45
Gold Metal
1.46 3.3
8.9 Ionization Energies
8.9.1 1st Energy Level
627.00 kJ/mol717.30 kJ/mol
Cesium Metal
375.7 26130
8.9.3 2nd Energy Level
1,225.00 kJ/mol1,509.00 kJ/mol
Ruthenium Metal
710.2162 28750
9.2.2 3rd Energy Level
2,363.00 kJ/mol3,248.00 kJ/mol
Osmium Metal
1600 34230
9.3.2 4th Energy Level
3,792.00 kJ/mol4,940.00 kJ/mol
Thorium Metal
2780 37066
9.3.3 5th Energy Level
NA6,990.00 kJ/mol
Dubnium Metal
4305.2 97510
9.3.5 6th Energy Level
NA9,220.00 kJ/mol
Seaborgium Metal
5715.8 105800
9.3.7 7th Energy level
NA11,500.00 kJ/mol
Bohrium Metal
7226.8 114300
9.3.8 8th Energy Level
NA18,770.00 kJ/mol
Hassium Metal
8857.4 125300
9.3.10 9th Energy Level
NA21,400.00 kJ/mol
Yttrium Metal
14110 134700
9.3.12 10th Energy Level
NA23,960.00 kJ/mol
Strontium Metal
17100 144300
9.3.13 11th Energy Level
NA27,590.00 kJ/mol
Yttrium Metal
19900 169988
9.4.2 12th Energy Level
NA30,330.00 kJ/mol
Molybdenum Metal
22219 189368
9.5.2 13th Energy Level
NA33,150.00 kJ/mol
Molybdenum Metal
26930 76015
9.5.4 14th Energy Level
NA38,880.00 kJ/mol
Molybdenum Metal
29196 86450
9.5.6 15th Energy Level
NA41,987.00 kJ/mol
Copper
41987 97510
9.5.8 16th Energy Level
NA109,480.00 kJ/mol
Iron Metal
47206 109480
9.5.9 17th Energy Level
NA118,100.00 kJ/mol
Cobalt Metal
52737 122200
9.5.11 18th Energy Level
NA127,100.00 kJ/mol
Nickel Metal
58570 134810
9.5.13 19th Energy Level
NA138,600.00 kJ/mol
Copper Metal
64702 148700
9.5.15 20th Energy Level
NA148,500.00 kJ/mol
Molybdenum Metal
80400 171200
9.5.17 21st Energy Level
NA158,600.00 kJ/mol
Molybdenum Metal
87000 179100
9.5.18 22nd Energy Level
NA172,500.00 kJ/mol
Molybdenum Metal
93400 184900
9.5.20 23rd Energy Level
NA181,380.00 kJ/mol
Molybdenum Metal
98420 198800
9.5.21 24th Energy Level
NANA
Molybdenum Metal
104400 195200
9.5.23 25th Energy Level
NANA
Molybdenum Metal
121900 121900
9.5.25 26th Energy Level
NANA
Molybdenum Metal
127700 127700
9.5.26 27th Energy Level
NANA
Molybdenum Metal
133800 133800
9.5.28 28th Energy Level
NANA
Molybdenum Metal
139800 139800
9.5.30 29th Energy Level
NANA
Molybdenum Metal
148100 148100
9.5.31 30th Energy Level
NANA
Molybdenum Metal
154500 154500
9.6 Electrochemical Equivalent
3.20 g/amp-hr0.29 g/amp-hr
Beryllium Metal
0.16812 8.3209
9.7 Electron Work Function
NA4.10 eV
Cesium Metal
2.14 5.65
9.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes
10 Atomic
10.1 Atomic Number
10025
Lithium Metal
3 117
10.2 Electron Configuration
[Rn] 5f12 7s2
[Ar] 3d5 4s2
10.3 Crystal Structure
Not Known
Body Centered Cubic (BCC)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10025
Lithium Metal
3 117
10.4.4 Number of Neutrons
15730
Lithium Metal
4 184
10.4.6 Number of Electrons
10025
Lithium Metal
3 117
10.5 Radius of an Atom
10.5.1 Atomic Radius
NA127.00 pm
Beryllium Metal
112 265
10.5.3 Covalent Radius
NA139.00 pm
Beryllium Metal
96 260
10.5.5 Van der Waals Radius
245.00 pm200.00 pm
Zinc Metal
139 348
10.6 Atomic Weight
257.00 amu54.94 amu
Lithium Metal
6.94 294
10.7 Atomic Volume
NA1.39 cm3/mol
Palladium
1.39 71.07
10.8 Adjacent Atomic Numbers
10.8.1 Previous Element
10.8.2 Next Element
10.9 Valence Electron Potential
NA220.00 (-eV)
Francium Metal
8 392.42
10.11 Lattice Constant
NA891.25 pm
Beryllium Metal
228.58 891.25
10.12 Lattice Angles
NA
π/2, π/2, π/2
10.13 Lattice C/A Ratio
NANA
Beryllium Metal
1.567 1.886
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
NA7.21 g/cm3
Lithium Metal
0.534 40.7
12.1.1 Density When Liquid (at m.p.)
NA5.95 g/cm3
Lithium Metal
0.512 20
12.2 Tensile Strength
NANA
Indium Metal
2.5 11000
12.6 Viscosity
NANA
Mercury Metal
0.001526 0.001526
12.7 Vapor Pressure
12.7.1 Vapor Pressure at 1000 K
NA0.00 (Pa)
Cerium Metal
2.47E-11 121
12.7.3 Vapor Pressure at 2000 K
NANA
Tungsten Metal
2.62E-10 774
12.8 Elasticity properties
12.8.1 Shear Modulus
NANA
Potassium Metal
1.3 222
12.8.2 Bulk Modulus
NA120.00 GPa
Cesium Metal
1.6 462
12.9.2 Young's Modulus
NA198.00 GPa
Cesium Metal
1.7 528
12.10 Poisson Ratio
NANA
Beryllium Metal
0.032 0.47
12.12 Other Mechanical Properties
NA
NA
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
NA7.21
Lithium Metal
0.53 4500
13.1.2 Magnetic Ordering
Unknown
Paramagnetic
13.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
13.2.1 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
13.3 Electrical Properties
13.3.1 Electrical Property
Unknown
Conductor
13.3.2 Resistivity
NA1.44 nΩ·m
Thallium Metal
0.18 961
13.5.1 Electrical Conductivity
NA0.01 106/cm Ω
Plutonium Metal
0.00666 0.63
13.6.1 Electron Affinity
NA0.00 kJ/mol
Mercury Metal
0 222.8
14 Thermal
14.1 Specific Heat
NA0.48 J/(kg K)
Americium Metal
0.11 3.6
15.2 Molar Heat Capacity
NA26.32 J/mol·K
Beryllium Metal
16.443 62.7
15.3 Thermal Conductivity
NA7.81 W/m·K
Neptunium Metal
6.3 429
15.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
15.6 Thermal Expansion
NA21.70 µm/(m·K)
Tungsten Metal
4.5 97
15.9 Enthalpy
15.9.1 Enthalpy of Vaporization
NA219.70 kJ/mol
Zinc Metal
7.32 799.1
15.9.3 Enthalpy of Fusion
NA14.64 kJ/mol
Cesium Metal
2.1 35.23
15.10.2 Enthalpy of Atomization
NA280.30 kJ/mol
Mercury Metal
61.5 837
15.11 Standard Molar Entropy
NA32.00 J/mol.K
Beryllium Metal
9.5 198.1