1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.5 Block
1.7 Element Family
Transition Metal
Lanthanide
1.8 CAS Number
540388127440600
7429905
54386242
1.9 Space Group Name
1.10 Space Group Number
2 Facts
2.1 Interesting Facts
- Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
- And other isotopes of Seaborgium have half-lives as short as 3 ms.
- Holmium metal is very soft and malleable.
- Holmium metal is well known for its corrosion resistivity.
2.2 Sources
Synthetically Produced
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Marc Delafontaine
2.3.3 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
1.3.1 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
1.4.1 Abundance In Meteorites
1.5.2 Abundance In Earth's Crust
2.4.2 Abundance In Oceans
2.7.2 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- Currently known uses of Seaborgium metal are limited to research purpose only.
- Holmium metal has an ability to absorb neutrons, so this metal is used in nuclear reactors to keep the chain reactions of elements under control.
-
Alloys of Holmium are used to produce Magnet.
3.1.1 Industrial Uses
3.1.2 Medical Uses
3.1.3 Other Uses
Research Purposes
Alloys, Nuclear Research
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
3.4.1 In Bone
4 Physical
4.1 Melting Point
4.2 Boiling Point
5.5 Appearance
5.5.1 Physical State
5.5.2 Color
5.5.3 Luster
5.6 Hardness
5.6.1 Mohs Hardness
5.6.3 Brinell Hardness
5.6.6 Vickers Hardness
1.3 Speed of Sound
2.3 Optical Properties
2.3.1 Refractive Index
2.3.2 Reflectivity
2.5 Allotropes
2.5.1 α Allotropes
Not Available
Not Available
2.5.2 β Allotropes
Not Available
Not Available
2.5.3 γ Allotropes
Not Available
Not Available
3 Chemical
3.1 Chemical Formula
3.2 Isotopes
3.2.1 Known Isotopes
4.2 Electronegativity
4.2.1 Pauling Electronegativity
4.5.2 Sanderson Electronegativity
4.5.3 Allred Rochow Electronegativity
4.8.1 Mulliken-Jaffe Electronegativity
5.1.1 Allen Electronegativity
6.5 Electropositivity
6.5.1 Pauling Electropositivity
6.6 Ionization Energies
6.6.1 1st Energy Level
757.40 kJ/mol581.00 kJ/mol
375.7
26130
6.6.4 2nd Energy Level
1,732.90 kJ/mol1,140.00 kJ/mol
710.2162
28750
6.7.1 3rd Energy Level
2,483.50 kJ/mol2,204.00 kJ/mol
1600
34230
7.1.1 4th Energy Level
3,415.60 kJ/mol4,100.00 kJ/mol
2780
37066
7.2.4 5th Energy Level
4,561.80 kJ/molNA
4305.2
97510
8.2.2 6th Energy Level
5,715.80 kJ/molNA
5715.8
105800
8.3.1 7th Energy level
8.4.2 8th Energy Level
8.4.4 9th Energy Level
8.6.2 10th Energy Level
8.6.5 11th Energy Level
8.6.7 12th Energy Level
8.6.11 13th Energy Level
9.2.3 14th Energy Level
9.3.3 15th Energy Level
9.3.5 16th Energy Level
9.3.8 17th Energy Level
9.4.2 18th Energy Level
10.1.1 19th Energy Level
10.2.2 20th Energy Level
10.2.4 21st Energy Level
10.3.1 22nd Energy Level
10.3.2 23rd Energy Level
10.4.2 24th Energy Level
11.2.3 25th Energy Level
11.3.5 26th Energy Level
11.4.2 27th Energy Level
11.4.4 28th Energy Level
11.5.2 29th Energy Level
11.5.5 30th Energy Level
11.6 Electrochemical Equivalent
NA2.02 g/amp-hr
0.16812
8.3209
11.7 Electron Work Function
11.8 Other Chemical Properties
NA
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
12 Atomic
12.1 Atomic Number
12.2 Electron Configuration
[Rn] 5f14 6d2 7s2
[Xe] 4f11 6s2
12.3 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
12.3.1 Crystal Lattice
12.4 Atom
12.4.1 Number of Protons
12.5.4 Number of Neutrons
12.5.6 Number of Electrons
12.7 Radius of an Atom
12.7.1 Atomic Radius
132.00 pm176.00 pm
112
265
12.7.4 Covalent Radius
143.00 pm192.00 pm
96
260
12.8.2 Van der Waals Radius
13.3 Atomic Weight
269.00 amu164.93 amu
6.94
294
13.5 Atomic Volume
NA18.70 cm3/mol
1.39
71.07
13.7 Adjacent Atomic Numbers
13.7.1 Previous Element
13.7.2 Next Element
13.8 Valence Electron Potential
13.9 Lattice Constant
NA357.73 pm
228.58
891.25
13.11 Lattice Angles
13.12 Lattice C/A Ratio
14 Mechanical
14.1 Density
14.1.1 Density At Room Temperature
35.00 g/cm38.79 g/cm3
0.534
40.7
14.2.1 Density When Liquid (at m.p.)
15.2 Tensile Strength
15.6 Viscosity
15.7 Vapor Pressure
15.7.1 Vapor Pressure at 1000 K
15.7.3 Vapor Pressure at 2000 K
15.8 Elasticity properties
15.8.1 Shear Modulus
15.9.2 Bulk Modulus
15.10.2 Young's Modulus
15.12 Poisson Ratio
15.15 Other Mechanical Properties
Unknown
Ductile, Malleable, Sectile
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
16.1.4 Magnetic Ordering
16.1.5 Permeability
16.3.1 Susceptibility
16.5 Electrical Properties
16.5.1 Electrical Property
16.5.2 Resistivity
16.7.1 Electrical Conductivity
NA0.01 106/cm Ω
0.00666
0.63
17.1.3 Electron Affinity
18 Thermal
18.1 Specific Heat
18.3 Molar Heat Capacity
NA27.15 J/mol·K
16.443
62.7
18.5 Thermal Conductivity
18.7 Critical Temperature
18.9 Thermal Expansion
18.10 Enthalpy
18.10.1 Enthalpy of Vaporization
NA241.00 kJ/mol
7.32
799.1
18.10.5 Enthalpy of Fusion
18.10.10 Enthalpy of Atomization
18.12 Standard Molar Entropy
NA75.30 J/mol.K
9.5
198.1