1 Periodic Table
1.1 Symbol
1.2 Group Number
1.5 Period Number
2.5 Block
2.6 Element Family
Actinide
Transition Metal
2.7 CAS Number
2253719553850354
7429905
54386242
2.8 Space Group Name
Not Available
Not Available
2.9 Space Group Number
3 Facts
3.1 Interesting Facts
- It is synthetically produced metal.
- Radiation hazard can be produce by it.
- IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
- In the production of Dubnium, thermal gradient chromatography is used.
3.2 Sources
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining
Produced by Bombarding Am243 with Ne22, Synthetically Produced
3.3 History
3.3.1 Who Discovered
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
Joint Institute for Nuclear Research
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.3 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
3.4.5 Abundance In Meteorites
3.4.6 Abundance In Earth's Crust
3.4.9 Abundance In Oceans
3.4.10 Abundance In Humans
5 Uses
5.1 Uses & Benefits
- Currently known uses of Lawrencium metal are limited to research purpose only.
- Currently known uses of Dubnium metal are limited to research purpose only.
5.1.1 Industrial Uses
5.1.2 Medical Uses
5.1.3 Other Uses
5.2 Biological Properties
5.2.1 Toxicity
5.2.2 Present in Human Body
5.2.3 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
5.2.5 In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
7 Physical
7.1 Melting Point
7.3 Boiling Point
7.4 Appearance
7.4.1 Physical State
7.4.2 Color
7.4.3 Luster
Unknown Luster
Unknown Luster
7.5 Hardness
7.5.1 Mohs Hardness
7.7.2 Brinell Hardness
7.7.4 Vickers Hardness
7.8 Speed of Sound
7.10 Optical Properties
7.10.1 Refractive Index
7.10.2 Reflectivity
7.12 Allotropes
7.12.1 α Allotropes
Not Available
Not Available
7.12.2 β Allotropes
Not Available
Not Available
7.12.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.3 Electronegativity
8.3.1 Pauling Electronegativity
9.2.2 Sanderson Electronegativity
9.2.3 Allred Rochow Electronegativity
9.3.2 Mulliken-Jaffe Electronegativity
9.3.3 Allen Electronegativity
9.4 Electropositivity
9.4.1 Pauling Electropositivity
9.5 Ionization Energies
9.5.1 1st Energy Level
470.00 kJ/mol664.80 kJ/mol
375.7
26130
9.5.2 2nd Energy Level
1,428.00 kJ/mol1,546.70 kJ/mol
710.2162
28750
9.5.4 3rd Energy Level
2,228.00 kJ/mol2,378.40 kJ/mol
1600
34230
9.5.6 4th Energy Level
4,910.00 kJ/mol3,298.80 kJ/mol
2780
37066
9.5.8 5th Energy Level
NA4,305.20 kJ/mol
4305.2
97510
9.5.9 6th Energy Level
9.6.2 7th Energy level
9.7.2 8th Energy Level
9.7.4 9th Energy Level
9.7.6 10th Energy Level
9.7.8 11th Energy Level
9.7.10 12th Energy Level
9.7.12 13th Energy Level
9.7.14 14th Energy Level
9.7.16 15th Energy Level
9.7.18 16th Energy Level
9.7.20 17th Energy Level
9.7.21 18th Energy Level
9.7.23 19th Energy Level
9.7.25 20th Energy Level
9.7.26 21st Energy Level
9.7.28 22nd Energy Level
9.7.29 23rd Energy Level
9.7.31 24th Energy Level
9.7.32 25th Energy Level
9.7.34 26th Energy Level
9.7.36 27th Energy Level
9.7.37 28th Energy Level
9.7.39 29th Energy Level
9.7.41 30th Energy Level
9.8 Electrochemical Equivalent
3.23 g/amp-hrNA
0.16812
8.3209
9.9 Electron Work Function
9.10 Other Chemical Properties
Ionization, Radioactive Isotopes
Ionization, Radioactive Isotopes, Radioactivity
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Rn] 5f14 7s2 7p1
[Rn] 5f14 6d3 7s2
10.3 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.4.5 Number of Neutrons
10.5.1 Number of Electrons
11.2 Radius of an Atom
11.2.1 Atomic Radius
11.5.2 Covalent Radius
11.5.4 Van der Waals Radius
11.6 Atomic Weight
266.00 amu268.00 amu
6.94
294
11.8 Atomic Volume
11.10 Adjacent Atomic Numbers
11.10.1 Previous Element
11.10.2 Next Element
11.11 Valence Electron Potential
11.12 Lattice Constant
11.14 Lattice Angles
11.15 Lattice C/A Ratio
12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
12.2.1 Density When Liquid (at m.p.)
12.5 Tensile Strength
13.2 Viscosity
13.3 Vapor Pressure
13.3.1 Vapor Pressure at 1000 K
13.3.3 Vapor Pressure at 2000 K
13.4 Elasticity properties
13.4.1 Shear Modulus
13.5.1 Bulk Modulus
13.7.2 Young's Modulus
13.8 Poisson Ratio
13.10 Other Mechanical Properties
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
14.1.2 Magnetic Ordering
14.1.3 Permeability
14.1.5 Susceptibility
14.2 Electrical Properties
14.2.1 Electrical Property
14.2.2 Resistivity
14.2.3 Electrical Conductivity
14.3.1 Electron Affinity
16 Thermal
16.1 Specific Heat
16.2 Molar Heat Capacity
16.4 Thermal Conductivity
16.5 Critical Temperature
16.6 Thermal Expansion
16.7 Enthalpy
16.7.1 Enthalpy of Vaporization
17.1.1 Enthalpy of Fusion
17.2.1 Enthalpy of Atomization
17.4 Standard Molar Entropy