1 Periodic Table
1.1 Symbol
2.2 Group Number
2.6 Period Number
2.7 Block
2.8 Element Family
Post-Transition
Transition Metal
2.9 CAS Number
5408516453850354
7429905
54386242
2.10 Space Group Name
Not Available
Not Available
2.11 Space Group Number
3 Facts
3.1 Interesting Facts
Not Available
- IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
- In the production of Dubnium, thermal gradient chromatography is used.
3.2 Sources
NA
Produced by Bombarding Am243 with Ne22, Synthetically Produced
3.4 History
3.4.1 Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
Joint Institute for Nuclear Research
3.4.2 Discovery
3.5 Abundance
3.5.1 Abundance In Universe
3.5.3 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
4.1.2 Abundance In Meteorites
4.2.6 Abundance In Earth's Crust
5.2.1 Abundance In Oceans
5.5.1 Abundance In Humans
6 Uses
6.1 Uses & Benefits
- Currently known uses of Flerovium metal are limited to research purpose only.
- Currently known uses of Dubnium metal are limited to research purpose only.
6.1.1 Industrial Uses
6.1.2 Medical Uses
6.1.3 Other Uses
Alloys, Research Purposes
Research Purposes
6.2 Biological Properties
6.2.1 Toxicity
6.2.2 Present in Human Body
6.2.4 In Blood
NA0.00 Blood/mg dm-3
0
1970
6.5.1 In Bone
7 Physical
7.1 Melting Point
8.3 Boiling Point
8.7 Appearance
8.7.1 Physical State
8.7.2 Color
8.7.3 Luster
Unknown Luster
Unknown Luster
8.8 Hardness
8.8.1 Mohs Hardness
8.8.3 Brinell Hardness
8.8.5 Vickers Hardness
8.10 Speed of Sound
8.12 Optical Properties
8.12.1 Refractive Index
8.12.3 Reflectivity
8.13 Allotropes
8.13.1 α Allotropes
Not Available
Not Available
8.13.2 β Allotropes
Not Available
Not Available
8.13.3 γ Allotropes
Not Available
Not Available
9 Chemical
9.1 Chemical Formula
9.2 Isotopes
9.2.1 Known Isotopes
9.3 Electronegativity
9.3.1 Pauling Electronegativity
9.3.5 Sanderson Electronegativity
9.3.11 Allred Rochow Electronegativity
9.3.13 Mulliken-Jaffe Electronegativity
9.3.17 Allen Electronegativity
9.4 Electropositivity
9.4.1 Pauling Electropositivity
9.5 Ionization Energies
9.5.1 1st Energy Level
823.90 kJ/mol664.80 kJ/mol
375.7
26130
9.5.5 2nd Energy Level
1,601.60 kJ/mol1,546.70 kJ/mol
710.2162
28750
10.4.2 3rd Energy Level
3,367.30 kJ/mol2,378.40 kJ/mol
1600
34230
10.4.5 4th Energy Level
4,399.70 kJ/mol3,298.80 kJ/mol
2780
37066
10.4.6 5th Energy Level
5,847.00 kJ/mol4,305.20 kJ/mol
4305.2
97510
10.5.2 6th Energy Level
10.5.4 7th Energy level
10.5.6 8th Energy Level
10.6.1 9th Energy Level
10.6.2 10th Energy Level
10.7.1 11th Energy Level
10.9.1 12th Energy Level
10.10.1 13th Energy Level
11.1.2 14th Energy Level
11.1.4 15th Energy Level
11.2.1 16th Energy Level
11.4.2 17th Energy Level
11.4.4 18th Energy Level
11.5.2 19th Energy Level
12.2.3 20th Energy Level
12.2.4 21st Energy Level
12.2.6 22nd Energy Level
12.2.7 23rd Energy Level
12.2.9 24th Energy Level
12.2.10 25th Energy Level
13.1.1 26th Energy Level
13.1.2 27th Energy Level
13.2.1 28th Energy Level
13.3.1 29th Energy Level
13.4.1 30th Energy Level
13.5 Electrochemical Equivalent
13.9 Electron Work Function
13.10 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity
14 Atomic
14.1 Atomic Number
14.2 Electron Configuration
[Rn] 5f14 6d10 7s2 7p2
[Rn] 5f14 6d3 7s2
14.3 Crystal Structure
Not Known
Body Centered Cubic (BCC)
14.3.1 Crystal Lattice
14.4 Atom
14.4.1 Number of Protons
14.4.2 Number of Neutrons
14.4.3 Number of Electrons
14.5 Radius of an Atom
14.5.1 Atomic Radius
180.00 pm139.00 pm
112
265
14.5.2 Covalent Radius
171.00 pm149.00 pm
96
260
14.5.3 Van der Waals Radius
14.6 Atomic Weight
289.00 amu268.00 amu
6.94
294
14.7 Atomic Volume
14.8 Adjacent Atomic Numbers
14.8.1 Previous Element
14.8.2 Next Element
14.9 Valence Electron Potential
14.10 Lattice Constant
14.11 Lattice Angles
14.12 Lattice C/A Ratio
15 Mechanical
15.1 Density
15.1.1 Density At Room Temperature
14.00 g/cm329.30 g/cm3
0.534
40.7
15.1.2 Density When Liquid (at m.p.)
15.2 Tensile Strength
15.3 Viscosity
15.4 Vapor Pressure
15.4.1 Vapor Pressure at 1000 K
15.4.2 Vapor Pressure at 2000 K
15.5 Elasticity properties
15.5.1 Shear Modulus
15.5.2 Bulk Modulus
15.5.3 Young's Modulus
15.6 Poisson Ratio
15.7 Other Mechanical Properties
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
16.1.2 Magnetic Ordering
16.1.3 Permeability
1.2.1 Susceptibility
1.3 Electrical Properties
1.3.1 Electrical Property
1.3.2 Resistivity
1.4.1 Electrical Conductivity
1.9.1 Electron Affinity
3 Thermal
3.1 Specific Heat
3.3 Molar Heat Capacity
4.3 Thermal Conductivity
5.2 Critical Temperature
5.3 Thermal Expansion
5.5 Enthalpy
5.5.1 Enthalpy of Vaporization
5.7.2 Enthalpy of Fusion
5.7.4 Enthalpy of Atomization
5.8 Standard Molar Entropy