1 Periodic Table
1.1 Symbol
1.2 Group Number
1.6 Period Number
1.9 Block
1.10 Element Family
Actinide
Transition Metal
1.11 CAS Number
74407247440677
7429905
54386242
2.5 Space Group Name
2.6 Space Group Number
3 Facts
3.1 Interesting Facts
- Fermium metal is highly radioactive in nature.
- Fermium is synthetically produced metal.
- Zirconium metal can resist to weak acids.
- Zirconium metal reacts with oxygen and nitrogen in the atmosphere.
3.2 Sources
Bombarding Pu-239 with Neutrons
Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Martin Heinrich Klaproth
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.3 Abundance In Sun
~-9999 %~0.000004 %
1E-08
0.1
3.4.5 Abundance In Meteorites
3.4.7 Abundance In Earth's Crust
4.2.3 Abundance In Oceans
4.2.5 Abundance In Humans
5 Uses
5.1 Uses & Benefits
- Currently known uses of Fermium metal are limited to research purpose only.
- As this metal does not absorb neutrons; It is used in nuclear power stations.
- Its oxide is used in ultra strong ceramics. It is also used in manufacturing Crucibles.
5.1.1 Industrial Uses
NA
Aerospace Industry, Ammunition Industry
5.1.2 Medical Uses
5.1.3 Other Uses
NA
Alloys, Nuclear Research, Research Purposes
5.2 Biological Properties
5.2.1 Toxicity
5.2.2 Present in Human Body
5.2.3 In Blood
0.00 Blood/mg dm-30.01 Blood/mg dm-3
0
1970
6.1.1 In Bone
0.00 p.p.m.0.10 p.p.m.
0
170000
7 Physical
7.1 Melting Point
1,527.00 °C1,852.00 °C
27
3410
7.4 Boiling Point
7.5 Appearance
7.5.1 Physical State
7.5.2 Color
7.5.3 Luster
7.6 Hardness
7.6.1 Mohs Hardness
7.6.3 Brinell Hardness
7.7.1 Vickers Hardness
7.9 Speed of Sound
8.3 Optical Properties
8.3.1 Refractive Index
8.3.2 Reflectivity
8.5 Allotropes
8.5.1 α Allotropes
Not Available
Not Available
8.5.2 β Allotropes
Not Available
Not Available
8.5.3 γ Allotropes
Not Available
Not Available
9 Chemical
9.1 Chemical Formula
9.2 Isotopes
9.2.1 Known Isotopes
9.3 Electronegativity
9.3.1 Pauling Electronegativity
9.3.3 Sanderson Electronegativity
9.3.5 Allred Rochow Electronegativity
9.3.7 Mulliken-Jaffe Electronegativity
9.4.2 Allen Electronegativity
9.6 Electropositivity
9.6.1 Pauling Electropositivity
9.7 Ionization Energies
9.7.1 1st Energy Level
627.00 kJ/mol640.10 kJ/mol
375.7
26130
9.7.2 2nd Energy Level
1,225.00 kJ/mol1,270.00 kJ/mol
710.2162
28750
9.7.4 3rd Energy Level
2,363.00 kJ/mol2,218.00 kJ/mol
1600
34230
9.7.6 4th Energy Level
3,792.00 kJ/mol3,313.00 kJ/mol
2780
37066
9.7.8 5th Energy Level
NA7,752.00 kJ/mol
4305.2
97510
9.7.10 6th Energy Level
NA9,500.00 kJ/mol
5715.8
105800
9.7.12 7th Energy level
9.7.14 8th Energy Level
9.7.16 9th Energy Level
9.7.18 10th Energy Level
9.7.20 11th Energy Level
9.7.22 12th Energy Level
9.7.24 13th Energy Level
9.7.26 14th Energy Level
9.7.28 15th Energy Level
9.7.30 16th Energy Level
9.7.32 17th Energy Level
9.7.34 18th Energy Level
9.7.36 19th Energy Level
9.7.38 20th Energy Level
9.7.40 21st Energy Level
9.7.41 22nd Energy Level
9.7.43 23rd Energy Level
9.7.45 24th Energy Level
9.7.47 25th Energy Level
9.7.49 26th Energy Level
9.7.51 27th Energy Level
9.7.53 28th Energy Level
9.7.55 29th Energy Level
9.7.57 30th Energy Level
9.9 Electrochemical Equivalent
3.20 g/amp-hr0.85 g/amp-hr
0.16812
8.3209
9.11 Electron Work Function
10.2 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility
11 Atomic
11.1 Atomic Number
11.5 Electron Configuration
[Rn] 5f12 7s2
[Kr] 4d2 5s2
11.6 Crystal Structure
Not Known
Hexagonal Close Packed (HCP)
11.6.1 Crystal Lattice
11.7 Atom
11.7.1 Number of Protons
11.7.3 Number of Neutrons
11.7.5 Number of Electrons
11.9 Radius of an Atom
11.9.1 Atomic Radius
11.9.3 Covalent Radius
11.9.5 Van der Waals Radius
245.00 pm200.00 pm
139
348
11.11 Atomic Weight
257.00 amu91.22 amu
6.94
294
11.13 Atomic Volume
NA14.10 cm3/mol
1.39
71.07
11.14 Adjacent Atomic Numbers
11.14.1 Previous Element
11.14.2 Next Element
11.15 Valence Electron Potential
11.18 Lattice Constant
NA323.20 pm
228.58
891.25
11.20 Lattice Angles
11.21 Lattice C/A Ratio
12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
13.1.2 Density When Liquid (at m.p.)
13.2 Tensile Strength
13.4 Viscosity
13.6 Vapor Pressure
13.6.1 Vapor Pressure at 1000 K
13.7.2 Vapor Pressure at 2000 K
13.8 Elasticity properties
13.8.1 Shear Modulus
13.9.2 Bulk Modulus
13.9.4 Young's Modulus
13.10 Poisson Ratio
13.12 Other Mechanical Properties
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
15.1.2 Magnetic Ordering
15.1.3 Permeability
15.1.6 Susceptibility
15.2 Electrical Properties
15.2.1 Electrical Property
15.2.2 Resistivity
15.3.3 Electrical Conductivity
NA0.02 106/cm Ω
0.00666
0.63
15.3.5 Electron Affinity
16 Thermal
16.1 Specific Heat
17.2 Molar Heat Capacity
NA25.36 J/mol·K
16.443
62.7
17.4 Thermal Conductivity
17.6 Critical Temperature
17.8 Thermal Expansion
17.10 Enthalpy
17.10.1 Enthalpy of Vaporization
NA581.60 kJ/mol
7.32
799.1
17.11.2 Enthalpy of Fusion
17.11.4 Enthalpy of Atomization
17.12 Standard Molar Entropy
NA39.00 J/mol.K
9.5
198.1