1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
1.6 CAS Number
100281457440304
7429905
54386242
1.7 Space Group Name
1.8 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.
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
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
Per Teodor Cleve
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.2 Abundance In Sun
~-9999 %~0.00000002 %
1E-08
0.1
2.4.3 Abundance In Meteorites
2.4.4 Abundance In Earth's Crust
2.4.5 Abundance In Oceans
2.4.6 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- Currently known uses of Nobelium metal are limited to research purpose only.
- Thulium metal produces isotopes that emits X-rays. This isotope is used in X-ray machine.
-
Thulium element is also used in Surgical equipment like laser.
3.1.1 Industrial Uses
3.1.2 Medical Uses
3.1.3 Other Uses
Research Purposes
Alloys, Nuclear Research, Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
3.2.4 In Bone
4 Physical
4.1 Melting Point
827.00 °C1,545.00 °C
27
3410
4.2 Boiling Point
4.3 Appearance
4.3.1 Physical State
4.3.2 Color
4.3.3 Luster
4.4 Hardness
4.4.1 Mohs Hardness
4.4.2 Brinell Hardness
4.4.3 Vickers Hardness
4.5 Speed of Sound
4.6 Optical Properties
4.6.1 Refractive Index
4.6.2 Reflectivity
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
5.2 Isotopes
5.2.1 Known Isotopes
5.3 Electronegativity
5.3.1 Pauling Electronegativity
5.3.2 Sanderson Electronegativity
5.3.3 Allred Rochow Electronegativity
5.3.4 Mulliken-Jaffe Electronegativity
5.3.5 Allen Electronegativity
5.4 Electropositivity
5.4.1 Pauling Electropositivity
5.5 Ionization Energies
5.5.1 1st Energy Level
642.00 kJ/mol596.70 kJ/mol
375.7
26130
5.5.2 2nd Energy Level
1,254.00 kJ/mol1,160.00 kJ/mol
710.2162
28750
5.5.3 3rd Energy Level
2,643.00 kJ/mol2,285.00 kJ/mol
1600
34230
5.5.4 4th Energy Level
3,956.00 kJ/mol4,120.00 kJ/mol
2780
37066
5.5.5 5th Energy Level
5.5.6 6th Energy Level
5.5.7 7th Energy level
5.5.8 8th Energy Level
5.5.9 9th Energy Level
5.5.10 10th Energy Level
5.5.11 11th Energy Level
5.5.12 12th Energy Level
5.5.13 13th Energy Level
5.5.14 14th Energy Level
5.5.15 15th Energy Level
5.5.16 16th Energy Level
5.5.17 17th Energy Level
5.5.18 18th Energy Level
5.5.19 19th Energy Level
5.5.20 20th Energy Level
5.5.21 21st Energy Level
5.5.22 22nd Energy Level
5.5.23 23rd Energy Level
5.5.24 24th Energy Level
5.5.25 25th Energy Level
5.5.26 26th Energy Level
5.5.27 27th Energy Level
5.5.28 28th Energy Level
5.5.29 29th Energy Level
5.5.30 30th Energy Level
5.6 Electrochemical Equivalent
4.83 g/amp-hr2.10 g/amp-hr
0.16812
8.3209
5.7 Electron Work Function
5.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Solubility
6 Atomic
6.1 Atomic Number
6.2 Electron Configuration
[Rn] 5f14 7s2
[Xe] 4f13 6s2
6.3 Crystal Structure
Not Known
Hexagonal Close Packed (HCP)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
6.4.2 Number of Neutrons
6.4.3 Number of Electrons
6.5 Radius of an Atom
6.5.1 Atomic Radius
6.5.2 Covalent Radius
6.5.3 Van der Waals Radius
6.6 Atomic Weight
259.00 amu168.93 amu
6.94
294
6.7 Atomic Volume
NA18.10 cm3/mol
1.39
71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
26.00 (-eV)49.70 (-eV)
8
392.42
1.2 Lattice Constant
NA353.75 pm
228.58
891.25
1.4 Lattice Angles
1.5 Lattice C/A Ratio
2 Mechanical
2.1 Density
2.1.1 Density At Room Temperature
2.2.3 Density When Liquid (at m.p.)
2.4 Tensile Strength
2.5 Viscosity
2.6 Vapor Pressure
2.6.1 Vapor Pressure at 1000 K
2.8.1 Vapor Pressure at 2000 K
2.9 Elasticity properties
2.9.1 Shear Modulus
2.9.2 Bulk Modulus
2.9.3 Young's Modulus
2.10 Poisson Ratio
2.11 Other Mechanical Properties
Unknown
Ductile, Malleable
3 Magnetic
3.1 Magnetic Characteristics
3.1.1 Specific Gravity
3.1.2 Magnetic Ordering
3.1.3 Permeability
3.1.4 Susceptibility
3.2 Electrical Properties
3.2.1 Electrical Property
3.2.2 Resistivity
3.2.3 Electrical Conductivity
NA0.02 106/cm Ω
0.00666
0.63
3.2.4 Electron Affinity
4 Thermal
4.1 Specific Heat
4.2 Molar Heat Capacity
NA27.03 J/mol·K
16.443
62.7
4.3 Thermal Conductivity
4.4 Critical Temperature
4.5 Thermal Expansion
4.6 Enthalpy
4.6.1 Enthalpy of Vaporization
NA191.00 kJ/mol
7.32
799.1
4.6.2 Enthalpy of Fusion
4.6.3 Enthalpy of Atomization
4.7 Standard Molar Entropy
NA74.00 J/mol.K
9.5
198.1