1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Transition Metal
Lanthanide
1.6 CAS Number
538503547440644
7429905
54386242
1.8 Space Group Name
1.9 Space Group Number
2 Facts
2.1 Interesting Facts
- IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
- In the production of Dubnium, thermal gradient chromatography is used.
- Ytterbium metal oxidizes rapidly if exposed to air.
- Ytterbium metal can dissolve quickly in Mineral acid.
2.2 Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced
Found in Minerals, Mining, Ores of Minerals
2.4 History
2.4.1 Who Discovered
Joint Institute for Nuclear Research
Jean Charles Galissard de Marignac
2.4.2 Discovery
2.5 Abundance
2.5.1 Abundance In Universe
2.7.1 Abundance In Sun
~-9999 %~0.0000001 %
1E-08
0.1
1.5.1 Abundance In Meteorites
1.8.1 Abundance In Earth's Crust
2.4.2 Abundance In Oceans
2.6.1 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Currently known uses of Dubnium metal are limited to research purpose only.
- Ytterbium metal is used in memory devices and tuneable laser.
-
It is also used as industrial catalyst as the other catalysts are too toxic and polluting.
4.1.1 Industrial Uses
NA
Automobile Industry, Chemical Industry
4.1.2 Medical Uses
4.1.3 Other Uses
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
1.2.2 In Bone
3 Physical
3.1 Melting Point
3.4 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
4.6.1 Brinell Hardness
6.3.2 Vickers Hardness
7.4 Speed of Sound
9.2 Optical Properties
9.2.1 Refractive Index
9.3.2 Reflectivity
9.5 Allotropes
9.5.1 α Allotropes
Not Available
Not Available
9.5.2 β Allotropes
Not Available
Not Available
9.5.3 γ Allotropes
Not Available
Not Available
10 Chemical
10.1 Chemical Formula
10.2 Isotopes
10.2.1 Known Isotopes
10.5 Electronegativity
10.5.1 Pauling Electronegativity
11.2.5 Sanderson Electronegativity
11.3.5 Allred Rochow Electronegativity
13.2.3 Mulliken-Jaffe Electronegativity
13.6.1 Allen Electronegativity
13.7 Electropositivity
13.7.1 Pauling Electropositivity
13.11 Ionization Energies
13.11.1 1st Energy Level
664.80 kJ/mol603.40 kJ/mol
375.7
26130
13.11.3 2nd Energy Level
1,546.70 kJ/mol1,174.80 kJ/mol
710.2162
28750
14.2.4 3rd Energy Level
2,378.40 kJ/mol2,417.00 kJ/mol
1600
34230
14.2.8 4th Energy Level
3,298.80 kJ/mol4,203.00 kJ/mol
2780
37066
14.4.2 5th Energy Level
4,305.20 kJ/molNA
4305.2
97510
14.5.2 6th Energy Level
14.6.2 7th Energy level
14.6.6 8th Energy Level
14.7.2 9th Energy Level
14.7.7 10th Energy Level
15.2.5 11th Energy Level
15.2.8 12th Energy Level
15.4.4 13th Energy Level
15.5.5 14th Energy Level
15.5.11 15th Energy Level
15.5.13 16th Energy Level
15.5.18 17th Energy Level
15.5.22 18th Energy Level
15.5.26 19th Energy Level
15.6.2 20th Energy Level
15.6.5 21st Energy Level
15.7.2 22nd Energy Level
15.7.4 23rd Energy Level
15.7.9 24th Energy Level
15.7.13 25th Energy Level
15.7.16 26th Energy Level
15.7.19 27th Energy Level
15.8.1 28th Energy Level
15.8.3 29th Energy Level
15.8.6 30th Energy Level
15.10 Electrochemical Equivalent
NA2.15 g/amp-hr
0.16812
8.3209
16.2 Electron Work Function
16.6 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Solubility
17 Atomic
17.1 Atomic Number
17.2 Electron Configuration
[Rn] 5f14 6d3 7s2
[Xe] 4f14 6s2
17.3 Crystal Structure
Body Centered Cubic (BCC)
Face Centered Cubic (FCC)
17.3.1 Crystal Lattice
17.4 Atom
17.4.1 Number of Protons
17.4.7 Number of Neutrons
17.6.4 Number of Electrons
17.8 Radius of an Atom
17.8.1 Atomic Radius
139.00 pm176.00 pm
112
265
18.1.2 Covalent Radius
149.00 pm187.00 pm
96
260
18.2.1 Van der Waals Radius
18.3 Atomic Weight
268.00 amu173.05 amu
6.94
294
18.9 Atomic Volume
NA24.79 cm3/mol
1.39
71.07
18.13 Adjacent Atomic Numbers
18.13.1 Previous Element
18.13.2 Next Element
18.14 Valence Electron Potential
19.2 Lattice Constant
NA548.47 pm
228.58
891.25
19.5 Lattice Angles
19.6 Lattice C/A Ratio
20 Mechanical
20.1 Density
20.1.1 Density At Room Temperature
29.30 g/cm36.90 g/cm3
0.534
40.7
20.4.2 Density When Liquid (at m.p.)
20.8 Tensile Strength
20.10 Viscosity
20.14 Vapor Pressure
20.14.1 Vapor Pressure at 1000 K
22.1.6 Vapor Pressure at 2000 K
22.4 Elasticity properties
22.4.1 Shear Modulus
22.6.3 Bulk Modulus
23.2.1 Young's Modulus
23.5 Poisson Ratio
23.10 Other Mechanical Properties
Unknown
Ductile, Malleable
24 Magnetic
24.1 Magnetic Characteristics
24.1.1 Specific Gravity
26.1.1 Magnetic Ordering
26.1.2 Permeability
26.2.4 Susceptibility
26.7 Electrical Properties
26.7.1 Electrical Property
26.7.2 Resistivity
26.8.1 Electrical Conductivity
NA0.04 106/cm Ω
0.00666
0.63
27.1.1 Electron Affinity
28 Thermal
28.1 Specific Heat
28.3 Molar Heat Capacity
NA26.74 J/mol·K
16.443
62.7
28.7 Thermal Conductivity
28.8 Critical Temperature
28.9 Thermal Expansion
28.12 Enthalpy
28.12.1 Enthalpy of Vaporization
NA128.90 kJ/mol
7.32
799.1
28.13.1 Enthalpy of Fusion
28.15.1 Enthalpy of Atomization
28.17 Standard Molar Entropy
NA59.90 J/mol.K
9.5
198.1