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Dubnium
Dubnium




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What is Dubnium?

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1 Periodic Table
1.1 Symbol
Db
1.2 Group Number
Tennessine
5
Rank: 13 (Overall)
Gadolinium
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1.3 Period Number
Uranium
7
Rank: 1 (Overall)
Lithium
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1.4 Block
d block
1.5 Element Family
Transition Metal
1.6 CAS Number
Roentgenium
53850354
Rank: 14 (Overall)
Aluminium
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1.7 Space Group Name
Not Available
1.8 Space Group Number
Sodium
Not Available
Rank: N/A (Overall)
Plutonium
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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.
2.2 Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced
2.3 History
2.3.1 Who Discovered
Joint Institute for Nuclear Research
2.3.2 Discovery
In 1968
2.4 Abundance
2.4.1 Abundance In Universe
Iron
Not Available
Rank: N/A (Overall)
Thallium
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2.4.2 Abundance In Sun
Iron
~-9999 %
Rank: N/A (Overall)
Beryllium
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2.4.3 Abundance In Meteorites
Iron
Not Available
Rank: N/A (Overall)
Gold
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2.4.4 Abundance In Earth's Crust
Aluminium
Not Available
Rank: N/A (Overall)
Radium
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2.4.5 Abundance In Oceans
Sodium
Not Available
Rank: N/A (Overall)
Protactinium
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2.4.6 Abundance In Humans
Calcium
Not Available
Rank: N/A (Overall)
Radium
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3 Uses
3.1 Uses & Benefits
  • Currently known uses of Dubnium metal are limited to research purpose only.
3.1.1 Industrial Uses
NA
3.1.2 Medical Uses
NA
3.1.3 Other Uses
Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
Unknown
3.2.2 Present in Human Body
60% Transition Metals Metals have it !
3.2.3 In Blood
Sodium
0.00 Blood/mg dm-3
Rank: 37 (Overall)
Plutonium
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3.2.4 In Bone
Calcium
0.00 p.p.m.
Rank: 36 (Overall)
Plutonium
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4 Physical
4.1 Melting Point
Tungsten
Not Available
Rank: N/A (Overall)
Francium
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4.2 Boiling Point
Tungsten
Not Available
Rank: N/A (Overall)
Flerovium
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4.3 Appearance
4.3.1 Physical State
Solid
4.3.2 Color
Unknown
4.3.3 Luster
Unknown Luster
4.4 Hardness
4.4.1 Mohs Hardness
Chromium
Not Available
Rank: N/A (Overall)
Cesium
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4.4.2 Brinell Hardness
Osmium
Not Available
Rank: N/A (Overall)
Cesium
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4.4.3 Vickers Hardness
Tungsten
Not Available
Rank: N/A (Overall)
Palladium
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4.5 Speed of Sound
Technetium
Not Available
Rank: N/A (Overall)
Thallium
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4.6 Optical Properties
4.6.1 Refractive Index
Palladium
Not Available
Rank: N/A (Overall)
Mercury
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4.6.2 Reflectivity
Silver
Not Available
Rank: N/A (Overall)
Molybdenum
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4.7 Allotropes
6% Transition Metals Metals have it !
4.7.1 α Allotropes
Not Available
4.7.2 β Allotropes
Not Available
4.7.3 γ Allotropes
Not Available
5 Chemical
5.1 Chemical Formula
Db
5.2 Isotopes
5.2.1 Known Isotopes
Palladium
10
Rank: 28 (Overall)
Tennessine
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5.3 Electronegativity
5.3.1 Pauling Electronegativity
Gold
Not Available
Rank: N/A (Overall)
Francium
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5.3.2 Sanderson Electronegativity
Cobalt
Not Available
Rank: N/A (Overall)
Cesium
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5.3.3 Allred Rochow Electronegativity
Gallium
Not Available
Rank: N/A (Overall)
Cesium
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5.3.4 Mulliken-Jaffe Electronegativity
Polonium
Not Available
Rank: N/A (Overall)
Cesium
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5.3.5 Allen Electronegativity
Berkelium
Not Available
Rank: N/A (Overall)
Cesium
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5.4 Electropositivity
5.4.1 Pauling Electropositivity
Francium
Not Available
Rank: N/A (Overall)
Gold
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5.5 Ionization Energies
5.5.1 1st Energy Level
Chromium
664.80 kJ/mol
Rank: 38 (Overall)
Cesium
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5.5.2 2nd Energy Level
Chromium
1,546.70 kJ/mol
Rank: 38 (Overall)
Ruthenium
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5.5.3 3rd Energy Level
Chromium
2,378.40 kJ/mol
Rank: 53 (Overall)
Osmium
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5.5.4 4th Energy Level
Chromium
3,298.80 kJ/mol
Rank: 61 (Overall)
Thorium
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5.5.5 5th Energy Level
Chromium
4,305.20 kJ/mol
Rank: 39 (Overall)
Dubnium
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5.5.6 6th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Seaborgium
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5.5.7 7th Energy level
Chromium
Not Available
Rank: N/A (Overall)
Bohrium
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5.5.8 8th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Hassium
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5.5.9 9th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Yttrium
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5.5.10 10th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Strontium
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5.5.11 11th Energy Level
Magnesium
Not Available
Rank: N/A (Overall)
Yttrium
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5.5.12 12th Energy Level
Magnesium
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.13 13th Energy Level
Titanium
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.14 14th Energy Level
Vanadium
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.15 15th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Manganese
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5.5.16 16th Energy Level
Manganese
Not Available
Rank: N/A (Overall)
Iron
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5.5.17 17th Energy Level
Iron
Not Available
Rank: N/A (Overall)
Cobalt
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5.5.18 18th Energy Level
Cobalt
Not Available
Rank: N/A (Overall)
Nickel
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5.5.19 19th Energy Level
Nickel
Not Available
Rank: N/A (Overall)
Copper
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5.5.20 20th Energy Level
Zinc
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.21 21st Energy Level
Zinc
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.22 22nd Energy Level
Copper
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.23 23rd Energy Level
Copper
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.24 24th Energy Level
Iron
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.25 25th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.26 26th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.27 27th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.28 28th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.29 29th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.30 30th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Molybdenum
5.6 Electrochemical Equivalent
Francium
Not Available
Rank: N/A (Overall)
Beryllium
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5.7 Electron Work Function
Platinum
Not Available
Rank: N/A (Overall)
Cesium
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5.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
6 Atomic
6.1 Atomic Number
Tennessine
105
Rank: 13 (Overall)
Lithium
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6.2 Electron Configuration
[Rn] 5f14 6d3 7s2
6.3 Crystal Structure
Body Centered Cubic (BCC)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
Tennessine
105
Rank: 13 (Overall)
Lithium
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6.4.2 Number of Neutrons
Flerovium
157
Rank: 7 (Overall)
Lithium
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6.4.3 Number of Electrons
Tennessine
105
Rank: 13 (Overall)
Lithium
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6.5 Radius of an Atom
6.5.1 Atomic Radius
Cesium
139.00 pm
Rank: 39 (Overall)
Beryllium
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1.1.2 Covalent Radius
Francium
149.00 pm
Rank: 35 (Overall)
Beryllium
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1.1.3 Van der Waals Radius
Francium
Not Available
Rank: N/A (Overall)
Zinc
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1.2 Atomic Weight
Tennessine
268.00 amu
Rank: 10 (Overall)
Lithium
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1.4 Atomic Volume
Cesium
Not Available
Rank: N/A (Overall)
Manganese
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1.6 Adjacent Atomic Numbers
1.6.1 Previous Element
1.6.2 Next Element
1.7 Valence Electron Potential
Platinum
Not Available
Rank: N/A (Overall)
Francium
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1.9 Lattice Constant
Manganese
Not Available
Rank: N/A (Overall)
Beryllium
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1.10 Lattice Angles
NA
1.11 Lattice C/A Ratio
Cadmium
Not Available
Rank: N/A (Overall)
Beryllium
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2 Mechanical
2.1 Density
2.1.1 Density At Room Temperature
Hassium
29.30 g/cm3
Rank: 5 (Overall)
Lithium
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2.1.3 Density When Liquid (at m.p.)
Osmium
Not Available
Rank: N/A (Overall)
Lithium
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2.2 Tensile Strength
Iron
Not Available
Rank: N/A (Overall)
Indium
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2.3 Viscosity
Mercury
Not Available
Rank: N/A (Overall)
Mercury
2.5 Vapor Pressure
2.5.1 Vapor Pressure at 1000 K
Strontium
Not Available
Rank: N/A (Overall)
Cerium
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2.6.1 Vapor Pressure at 2000 K
Chromium
Not Available
Rank: N/A (Overall)
Tungsten
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2.7 Elasticity properties
2.7.1 Shear Modulus
Osmium
Not Available
Rank: N/A (Overall)
Potassium
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2.7.2 Bulk Modulus
Osmium
Not Available
Rank: N/A (Overall)
Cesium
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2.7.3 Young's Modulus
Iridium
Not Available
Rank: N/A (Overall)
Cesium
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2.8 Poisson Ratio
Gallium
Not Available
Rank: N/A (Overall)
Beryllium
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2.9 Other Mechanical Properties
Unknown
3 Magnetic
3.1 Magnetic Characteristics
3.1.1 Specific Gravity
Cobalt
Not Available
Rank: N/A (Overall)
Lithium
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3.1.2 Magnetic Ordering
Unknown
3.1.3 Permeability
Iron
Not Available
Rank: N/A (Overall)
Bismuth
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3.1.4 Susceptibility
Iron
Not Available
Rank: N/A (Overall)
Bismuth
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3.2 Electrical Properties
3.2.1 Electrical Property
Unknown
3.2.2 Resistivity
Mercury
Not Available
Rank: N/A (Overall)
Thallium
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3.2.3 Electrical Conductivity
Silver
Not Available
Rank: N/A (Overall)
Plutonium
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3.2.4 Electron Affinity
Gold
Not Available
Rank: N/A (Overall)
Mercury
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4 Thermal
4.1 Specific Heat
Lithium
Not Available
Rank: N/A (Overall)
Americium
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4.2 Molar Heat Capacity
Americium
Not Available
Rank: N/A (Overall)
Beryllium
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4.3 Thermal Conductivity
Silver
Not Available
Rank: N/A (Overall)
Neptunium
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4.4 Critical Temperature
Lithium
Not Available
Rank: N/A (Overall)
Ytterbium
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4.5 Thermal Expansion
Cesium
Not Available
Rank: N/A (Overall)
Tungsten
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4.6 Enthalpy
4.6.1 Enthalpy of Vaporization
Tungsten
Not Available
Rank: N/A (Overall)
Zinc
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4.6.2 Enthalpy of Fusion
Tungsten
Not Available
Rank: N/A (Overall)
Cesium
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4.6.3 Enthalpy of Atomization
Tungsten
Not Available
Rank: N/A (Overall)
Mercury
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4.7 Standard Molar Entropy
Protactinium
Not Available
Rank: N/A (Overall)
Beryllium
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