1 Periodic Table
1.1 Symbol
1.2 Group Number
1.7 Period Number
1.9 Block
1.10 Element Family
Transition Metal
Post-Transition
1.11 CAS Number
538503547429905
7429905
54386242
1.12 Space Group Name
1.13 Space Group Number
3 Facts
3.1 Interesting Facts
- IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
- In the production of Dubnium, thermal gradient chromatography is used.
- Aluminum’s abundance percentage is more as it is found in more than 260 minerals.
- Pure Aluminum always reacts with oxygen rapidly.
- It is a good conductor of heat and electricity and used in transmission lines.
3.2 Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced
By Electrolysis Process, Earth's crust, Mining
3.3 History
3.3.1 Who Discovered
Joint Institute for Nuclear Research
Hans Christian Oersted
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.3 Abundance In Sun
~-9999 %~0.006 %
1E-08
0.1
3.5.1 Abundance In Meteorites
3.6.1 Abundance In Earth's Crust
3.7.2 Abundance In Oceans
3.7.4 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Currently known uses of Dubnium metal are limited to research purpose only.
- Aluminum is used in a various products; for example, cans, foils, kitchen utensils, window frames, beer kegs and aero plane parts, automobile parts, etc.
4.1.1 Industrial Uses
NA
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
4.1.2 Medical Uses
NA
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing
4.1.3 Other Uses
Research Purposes
Alloys, Jewellery, Sculptures, Statues
4.2 Biological Properties
4.2.1 Toxicity
4.3.2 Present in Human Body
4.3.3 In Blood
0.00 Blood/mg dm-30.39 Blood/mg dm-3
0
1970
4.3.4 In Bone
0.00 p.p.m.27.00 p.p.m.
0
170000
5 Physical
5.1 Melting Point
5.2 Boiling Point
5.3 Appearance
5.3.1 Physical State
5.3.2 Color
5.3.3 Luster
5.4 Hardness
5.4.1 Mohs Hardness
5.5.1 Brinell Hardness
6.1.2 Vickers Hardness
6.2 Speed of Sound
6.4 Optical Properties
6.4.1 Refractive Index
6.4.2 Reflectivity
6.5 Allotropes
6.5.1 α Allotropes
Not Available
Not Available
6.5.2 β Allotropes
Not Available
Not Available
6.5.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.3 Electronegativity
7.3.1 Pauling Electronegativity
8.1.1 Sanderson Electronegativity
8.1.2 Allred Rochow Electronegativity
8.2.1 Mulliken-Jaffe Electronegativity
8.3.1 Allen Electronegativity
8.5 Electropositivity
8.5.1 Pauling Electropositivity
8.7 Ionization Energies
8.7.1 1st Energy Level
664.80 kJ/mol577.50 kJ/mol
375.7
26130
8.7.2 2nd Energy Level
1,546.70 kJ/mol1,816.70 kJ/mol
710.2162
28750
8.8.2 3rd Energy Level
2,378.40 kJ/mol2,744.80 kJ/mol
1600
34230
8.8.3 4th Energy Level
3,298.80 kJ/mol11,577.00 kJ/mol
2780
37066
8.8.5 5th Energy Level
4,305.20 kJ/mol14,842.00 kJ/mol
4305.2
97510
8.8.6 6th Energy Level
NA18,379.00 kJ/mol
5715.8
105800
8.8.8 7th Energy level
NA23,326.00 kJ/mol
7226.8
114300
8.9.1 8th Energy Level
NA27,465.00 kJ/mol
8857.4
125300
8.9.2 9th Energy Level
NA31,853.00 kJ/mol
14110
134700
8.9.3 10th Energy Level
NA38,473.00 kJ/mol
17100
144300
8.9.4 11th Energy Level
NA42,647.00 kJ/mol
19900
169988
8.9.5 12th Energy Level
8.9.6 13th Energy Level
8.9.7 14th Energy Level
8.9.8 15th Energy Level
8.9.9 16th Energy Level
8.9.10 17th Energy Level
8.9.11 18th Energy Level
8.9.12 19th Energy Level
8.9.13 20th Energy Level
8.9.14 21st Energy Level
8.9.15 22nd Energy Level
8.9.16 23rd Energy Level
8.9.17 24th Energy Level
8.9.18 25th Energy Level
8.9.19 26th Energy Level
8.9.20 27th Energy Level
8.9.21 28th Energy Level
8.9.22 29th Energy Level
8.9.23 30th Energy Level
8.10 Electrochemical Equivalent
NA0.34 g/amp-hr
0.16812
8.3209
8.11 Electron Work Function
8.12 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Chemical Stability, Ionization, Radioactive Isotopes
9 Atomic
9.1 Atomic Number
9.2 Electron Configuration
[Rn] 5f14 6d3 7s2
[Ne] 3s2 3p1
9.3 Crystal Structure
Body Centered Cubic (BCC)
Face Centered Cubic (FCC)
9.3.1 Crystal Lattice
9.4 Atom
9.4.1 Number of Protons
9.4.2 Number of Neutrons
9.4.3 Number of Electrons
9.5 Radius of an Atom
9.5.1 Atomic Radius
139.00 pm143.00 pm
112
265
9.5.2 Covalent Radius
149.00 pm121.00 pm
96
260
9.5.3 Van der Waals Radius
9.6 Atomic Weight
268.00 amu26.98 amu
6.94
294
9.7 Atomic Volume
NA10.00 cm3/mol
1.39
71.07
9.8 Adjacent Atomic Numbers
9.8.1 Previous Element
9.8.2 Next Element
9.9 Valence Electron Potential
9.10 Lattice Constant
NA404.95 pm
228.58
891.25
9.11 Lattice Angles
9.12 Lattice C/A Ratio
10 Mechanical
10.1 Density
10.1.1 Density At Room Temperature
29.30 g/cm32.70 g/cm3
0.534
40.7
10.1.2 Density When Liquid (at m.p.)
10.2 Tensile Strength
10.3 Viscosity
10.4 Vapor Pressure
10.4.1 Vapor Pressure at 1000 K
10.4.2 Vapor Pressure at 2000 K
10.5 Elasticity properties
10.5.1 Shear Modulus
10.5.2 Bulk Modulus
10.5.3 Young's Modulus
10.6 Poisson Ratio
10.7 Other Mechanical Properties
Unknown
Ductile, Malleable
11 Magnetic
11.1 Magnetic Characteristics
11.1.1 Specific Gravity
11.1.2 Magnetic Ordering
11.1.3 Permeability
NA0.00 H/m
1.25643E-06
0.0063
11.1.4 Susceptibility
11.2 Electrical Properties
11.2.1 Electrical Property
11.2.2 Resistivity
11.2.3 Electrical Conductivity
NA0.38 106/cm Ω
0.00666
0.63
11.2.4 Electron Affinity
12 Thermal
12.1 Specific Heat
12.2 Molar Heat Capacity
NA24.20 J/mol·K
16.443
62.7
12.3 Thermal Conductivity
12.4 Critical Temperature
12.5 Thermal Expansion
12.6 Enthalpy
12.6.1 Enthalpy of Vaporization
NA293.70 kJ/mol
7.32
799.1
12.6.2 Enthalpy of Fusion
12.6.3 Enthalpy of Atomization
12.7 Standard Molar Entropy
NA28.30 J/mol.K
9.5
198.1