1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.3 Block
1.4 Element Family
1.5 CAS Number
100281457440600
7429905
54386242
1.6 Space Group Name
1.7 Space Group Number
2 Facts
2.1 Interesting Facts
- The most stable isotope of Nobelium metal is No-259.
- No-259 has a half-life of fifty-eight minutes.
- Holmium metal is very soft and malleable.
- Holmium metal is well known for its corrosion resistivity.
2.2 Sources
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Joint Institute for Nuclear Research
Marc Delafontaine
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.2 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
2.7.1 Abundance In Meteorites
2.7.2 Abundance In Earth's Crust
2.9.1 Abundance In Oceans
3.4.2 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Currently known uses of Nobelium 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.
4.1.1 Industrial Uses
4.1.2 Medical Uses
4.1.3 Other Uses
Research Purposes
Alloys, Nuclear Research
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
4.2.4 In Bone
5 Physical
5.1 Melting Point
827.00 °C1,461.00 °C
27
3410
5.2 Boiling Point
5.3 Appearance
5.3.1 Physical State
5.3.2 Color
5.3.3 Luster
5.4 Hardness
5.4.1 Mohs Hardness
5.4.3 Brinell Hardness
5.4.5 Vickers Hardness
5.5 Speed of Sound
6.3 Optical Properties
6.3.1 Refractive Index
7.1.1 Reflectivity
7.2 Allotropes
7.2.1 α Allotropes
Not Available
Not Available
7.2.2 β Allotropes
Not Available
Not Available
7.2.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.4 Electronegativity
8.4.1 Pauling Electronegativity
8.6.2 Sanderson Electronegativity
8.6.4 Allred Rochow Electronegativity
8.6.5 Mulliken-Jaffe Electronegativity
8.6.7 Allen Electronegativity
8.8 Electropositivity
8.8.1 Pauling Electropositivity
8.9 Ionization Energies
8.9.1 1st Energy Level
642.00 kJ/mol581.00 kJ/mol
375.7
26130
8.10.2 2nd Energy Level
1,254.00 kJ/mol1,140.00 kJ/mol
710.2162
28750
8.10.4 3rd Energy Level
2,643.00 kJ/mol2,204.00 kJ/mol
1600
34230
9.2.2 4th Energy Level
3,956.00 kJ/mol4,100.00 kJ/mol
2780
37066
9.3.2 5th Energy Level
9.3.4 6th Energy Level
9.3.5 7th Energy level
9.3.7 8th Energy Level
9.3.9 9th Energy Level
9.3.10 10th Energy Level
9.3.12 11th Energy Level
9.4.2 12th Energy Level
9.5.2 13th Energy Level
9.5.4 14th Energy Level
9.5.6 15th Energy Level
9.5.8 16th Energy Level
9.5.9 17th Energy Level
9.5.11 18th Energy Level
9.5.13 19th Energy Level
9.5.15 20th Energy Level
9.5.17 21st Energy Level
9.5.18 22nd Energy Level
9.5.20 23rd Energy Level
9.5.22 24th Energy Level
9.5.23 25th Energy Level
9.5.25 26th Energy Level
9.5.26 27th Energy Level
9.5.28 28th Energy Level
9.5.29 29th Energy Level
9.5.31 30th Energy Level
9.6 Electrochemical Equivalent
4.83 g/amp-hr2.02 g/amp-hr
0.16812
8.3209
9.7 Electron Work Function
9.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Rn] 5f14 7s2
[Xe] 4f11 6s2
10.3 Crystal Structure
Not Known
Hexagonal Close Packed (HCP)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.4.3 Number of Neutrons
10.4.5 Number of Electrons
10.5 Radius of an Atom
10.5.1 Atomic Radius
10.5.3 Covalent Radius
10.5.5 Van der Waals Radius
246.00 pm216.00 pm
139
348
10.6 Atomic Weight
259.00 amu164.93 amu
6.94
294
10.7 Atomic Volume
NA18.70 cm3/mol
1.39
71.07
10.8 Adjacent Atomic Numbers
10.8.1 Previous Element
10.8.2 Next Element
10.9 Valence Electron Potential
26.00 (-eV)47.90 (-eV)
8
392.42
10.10 Lattice Constant
NA357.73 pm
228.58
891.25
10.11 Lattice Angles
10.12 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
11.2.1 Density When Liquid (at m.p.)
12.2 Tensile Strength
12.4 Viscosity
12.7 Vapor Pressure
12.7.1 Vapor Pressure at 1000 K
12.7.3 Vapor Pressure at 2000 K
12.8 Elasticity properties
12.8.1 Shear Modulus
12.8.3 Bulk Modulus
12.9.3 Young's Modulus
12.10 Poisson Ratio
12.12 Other Mechanical Properties
Unknown
Ductile, Malleable, Sectile
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.2.1 Magnetic Ordering
13.2.2 Permeability
13.2.3 Susceptibility
13.5 Electrical Properties
13.5.1 Electrical Property
13.5.2 Resistivity
13.6.1 Electrical Conductivity
NA0.01 106/cm Ω
0.00666
0.63
14.1.2 Electron Affinity
15 Thermal
15.1 Specific Heat
15.2 Molar Heat Capacity
NA27.15 J/mol·K
16.443
62.7
15.4 Thermal Conductivity
15.6 Critical Temperature
15.8 Thermal Expansion
15.9 Enthalpy
15.9.1 Enthalpy of Vaporization
NA241.00 kJ/mol
7.32
799.1
15.10.2 Enthalpy of Fusion
15.10.4 Enthalpy of Atomization
15.11 Standard Molar Entropy
NA75.30 J/mol.K
9.5
198.1