1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Actinide
Probably Post-Transition
1.6 CAS Number
744072454100719
7429905
54386242
1.7 Space Group Name
Not Available
Not Available
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- Fermium metal is highly radioactive in nature.
- Fermium is synthetically produced metal.
Not Available
2.2 Sources
Bombarding Pu-239 with Neutrons
Synthetically Produced
2.3 History
2.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
1.2.1 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
1.2.1 Abundance In Meteorites
1.3.1 Abundance In Earth's Crust
1.7.1 Abundance In Oceans
1.12.1 Abundance In Humans
2 Uses
2.1 Uses & Benefits
- Currently known uses of Fermium metal are limited to research purpose only.
- Currently known uses of Livermorium metal are limited to research purpose only.
2.1.1 Industrial Uses
2.1.2 Medical Uses
3.1.1 Other Uses
3.2 Biological Properties
3.2.1 Toxicity
3.3.1 Present in Human Body
3.4.2 In Blood
0.00 Blood/mg dm-3NA
0
1970
4.4.2 In Bone
5 Physical
5.1 Melting Point
5.2 Boiling Point
5.3 Appearance
5.3.1 Physical State
5.3.2 Color
5.3.3 Luster
Not Defined
Unknown Luster
5.4 Hardness
5.4.1 Mohs Hardness
6.2.5 Brinell Hardness
7.1.2 Vickers Hardness
7.5 Speed of Sound
8.3 Optical Properties
8.3.1 Refractive Index
8.3.4 Reflectivity
8.4 Allotropes
8.4.1 α Allotropes
Not Available
Not Available
8.4.2 β Allotropes
Not Available
Not Available
8.4.3 γ Allotropes
Not Available
Not Available
9 Chemical
9.1 Chemical Formula
9.2 Isotopes
9.2.1 Known Isotopes
10.2 Electronegativity
10.2.1 Pauling Electronegativity
10.3.2 Sanderson Electronegativity
10.4.2 Allred Rochow Electronegativity
11.2.2 Mulliken-Jaffe Electronegativity
11.2.4 Allen Electronegativity
11.4 Electropositivity
11.4.1 Pauling Electropositivity
11.5 Ionization Energies
11.5.1 1st Energy Level
627.00 kJ/mol723.60 kJ/mol
375.7
26130
11.6.2 2nd Energy Level
1,225.00 kJ/mol1,331.50 kJ/mol
710.2162
28750
11.6.4 3rd Energy Level
2,363.00 kJ/mol2,846.30 kJ/mol
1600
34230
11.7.2 4th Energy Level
3,792.00 kJ/mol3,811.20 kJ/mol
2780
37066
12.2.2 5th Energy Level
NA6,078.60 kJ/mol
4305.2
97510
12.3.2 6th Energy Level
12.5.4 7th Energy level
12.5.6 8th Energy Level
12.5.8 9th Energy Level
12.5.11 10th Energy Level
12.5.14 11th Energy Level
12.5.16 12th Energy Level
12.6.3 13th Energy Level
12.7.2 14th Energy Level
12.7.4 15th Energy Level
12.7.6 16th Energy Level
12.7.7 17th Energy Level
12.7.9 18th Energy Level
12.7.12 19th Energy Level
12.7.13 20th Energy Level
12.7.14 21st Energy Level
12.7.16 22nd Energy Level
12.7.18 23rd Energy Level
12.7.19 24th Energy Level
12.7.20 25th Energy Level
12.7.23 26th Energy Level
12.7.24 27th Energy Level
12.7.25 28th Energy Level
12.7.27 29th Energy Level
12.7.29 30th Energy Level
12.8 Electrochemical Equivalent
3.20 g/amp-hrNA
0.16812
8.3209
12.9 Electron Work Function
12.10 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Chemical Stability, Ionization
13 Atomic
13.1 Atomic Number
13.2 Electron Configuration
[Rn] 5f12 7s2
[Rn] 5f14 6d10 7s2 7p4
13.3 Crystal Structure
13.3.2 Crystal Lattice
13.4 Atom
13.4.1 Number of Protons
13.4.3 Number of Neutrons
13.4.6 Number of Electrons
13.5 Radius of an Atom
13.5.1 Atomic Radius
13.5.4 Covalent Radius
13.5.5 Van der Waals Radius
13.6 Atomic Weight
257.00 amu293.00 amu
6.94
294
13.7 Atomic Volume
13.8 Adjacent Atomic Numbers
13.8.1 Previous Element
13.8.2 Next Element
13.9 Valence Electron Potential
13.10 Lattice Constant
13.11 Lattice Angles
13.12 Lattice C/A Ratio
14 Mechanical
14.1 Density
14.1.1 Density At Room Temperature
14.1.4 Density When Liquid (at m.p.)
14.2 Tensile Strength
14.3 Viscosity
14.4 Vapor Pressure
14.4.1 Vapor Pressure at 1000 K
14.4.3 Vapor Pressure at 2000 K
14.5 Elasticity properties
14.5.1 Shear Modulus
14.5.3 Bulk Modulus
14.5.6 Young's Modulus
14.6 Poisson Ratio
14.7 Other Mechanical Properties
15 Magnetic
15.1 Magnetic Characteristics
15.1.1 Specific Gravity
15.1.4 Magnetic Ordering
15.1.5 Permeability
15.1.6 Susceptibility
15.2 Electrical Properties
15.2.1 Electrical Property
15.2.2 Resistivity
15.3.2 Electrical Conductivity
15.3.3 Electron Affinity
16 Thermal
16.1 Specific Heat
16.3 Molar Heat Capacity
16.4 Thermal Conductivity
17.2 Critical Temperature
17.3 Thermal Expansion
17.4 Enthalpy
17.4.1 Enthalpy of Vaporization
17.7.3 Enthalpy of Fusion
17.7.4 Enthalpy of Atomization
17.8 Standard Molar Entropy