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
538503547440699
7429905
54386242
2.4 Space Group Name
2.5 Space Group Number
4 Facts
4.1 Interesting Facts
- IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
- In the production of Dubnium, thermal gradient chromatography is used.
- Bismuth metal is soluble and reacts with concentrated nitric acid.
- It oxides are used as a yellow pigment in paint. Bismuth chloride oxide BiClO gives a pearly texture to cosmetics.
4.2 Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced
Found in Minerals, Mining, Ores of Minerals
4.3 History
4.3.1 Who Discovered
Joint Institute for Nuclear Research
Claude François Geoffroy
4.3.2 Discovery
4.4 Abundance
4.4.1 Abundance In Universe
4.7.2 Abundance In Sun
~-9999 %~0.000006 %
1E-08
0.1
5.4.2 Abundance In Meteorites
6.1.1 Abundance In Earth's Crust
6.5.1 Abundance In Oceans
6.11.2 Abundance In Humans
7 Uses
7.1 Uses & Benefits
- Currently known uses of Dubnium metal are limited to research purpose only.
- Tin and bismuth alloys have a very low melting point and hence it is used in fire detector and the fire extinguishers. It also used in electric solders and fuses.
7.1.1 Industrial Uses
NA
Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
7.1.2 Medical Uses
NA
Pharmaceutical Industry
7.1.3 Other Uses
7.2 Biological Properties
7.2.1 Toxicity
7.2.2 Present in Human Body
7.2.3 In Blood
0.00 Blood/mg dm-30.02 Blood/mg dm-3
0
1970
7.4.1 In Bone
0.00 p.p.m.0.20 p.p.m.
0
170000
8 Physical
8.1 Melting Point
8.5 Boiling Point
8.9 Appearance
8.9.1 Physical State
8.9.2 Color
8.9.3 Luster
8.10 Hardness
8.10.1 Mohs Hardness
9.2.3 Brinell Hardness
10.2.2 Vickers Hardness
11.3 Speed of Sound
11.10 Optical Properties
11.10.1 Refractive Index
11.12.2 Reflectivity
11.14 Allotropes
11.14.1 α Allotropes
Not Available
Not Available
11.14.2 β Allotropes
Not Available
Not Available
11.14.3 γ Allotropes
Not Available
Not Available
12 Chemical
12.1 Chemical Formula
12.2 Isotopes
12.2.1 Known Isotopes
12.5 Electronegativity
12.5.1 Pauling Electronegativity
14.1.1 Sanderson Electronegativity
15.2.1 Allred Rochow Electronegativity
15.3.1 Mulliken-Jaffe Electronegativity
15.6.1 Allen Electronegativity
15.11 Electropositivity
15.11.1 Pauling Electropositivity
15.12 Ionization Energies
15.12.1 1st Energy Level
664.80 kJ/mol703.00 kJ/mol
375.7
26130
15.15.1 2nd Energy Level
1,546.70 kJ/mol1,610.00 kJ/mol
710.2162
28750
15.17.1 3rd Energy Level
2,378.40 kJ/mol2,466.00 kJ/mol
1600
34230
15.21.1 4th Energy Level
3,298.80 kJ/mol4,370.00 kJ/mol
2780
37066
2.1.2 5th Energy Level
4,305.20 kJ/mol5,400.00 kJ/mol
4305.2
97510
2.2.1 6th Energy Level
NA8,520.00 kJ/mol
5715.8
105800
2.4.1 7th Energy level
2.4.2 8th Energy Level
2.10.2 9th Energy Level
2.11.1 10th Energy Level
3.1.3 11th Energy Level
3.1.9 12th Energy Level
3.4.1 13th Energy Level
3.5.4 14th Energy Level
3.6.5 15th Energy Level
3.7.4 16th Energy Level
3.8.1 17th Energy Level
5.1.2 18th Energy Level
5.2.1 19th Energy Level
5.2.3 20th Energy Level
5.4.3 21st Energy Level
5.4.4 22nd Energy Level
5.5.2 23rd Energy Level
5.6.1 24th Energy Level
5.6.3 25th Energy Level
5.7.2 26th Energy Level
6.1.1 27th Energy Level
6.2.1 28th Energy Level
6.2.2 29th Energy Level
6.3.1 30th Energy Level
6.4 Electrochemical Equivalent
NA2.60 g/amp-hr
0.16812
8.3209
6.8 Electron Work Function
6.9 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Solubility
7 Atomic
7.1 Atomic Number
7.3 Electron Configuration
[Rn] 5f14 6d3 7s2
[Xe] 4f14 5d10 6s2 6p3
7.4 Crystal Structure
Body Centered Cubic (BCC)
Rhombohedral (RHO)
7.4.1 Crystal Lattice
7.5 Atom
7.5.1 Number of Protons
7.5.3 Number of Neutrons
7.6.1 Number of Electrons
7.7 Radius of an Atom
7.7.1 Atomic Radius
139.00 pm156.00 pm
112
265
7.7.2 Covalent Radius
149.00 pm148.00 pm
96
260
7.7.3 Van der Waals Radius
7.8 Atomic Weight
268.00 amu208.98 amu
6.94
294
7.9 Atomic Volume
NA21.30 cm3/mol
1.39
71.07
7.10 Adjacent Atomic Numbers
7.10.1 Previous Element
7.10.2 Next Element
7.11 Valence Electron Potential
7.12 Lattice Constant
NA667.40 pm
228.58
891.25
7.13 Lattice Angles
7.14 Lattice C/A Ratio
8 Mechanical
8.1 Density
8.1.1 Density At Room Temperature
29.30 g/cm39.78 g/cm3
0.534
40.7
8.1.2 Density When Liquid (at m.p.)
8.2 Tensile Strength
8.4 Viscosity
8.5 Vapor Pressure
8.5.1 Vapor Pressure at 1000 K
9.1.2 Vapor Pressure at 2000 K
9.2 Elasticity properties
9.2.1 Shear Modulus
9.2.2 Bulk Modulus
9.2.4 Young's Modulus
9.4 Poisson Ratio
9.5 Other Mechanical Properties
10 Magnetic
10.1 Magnetic Characteristics
10.1.1 Specific Gravity
10.1.2 Magnetic Ordering
10.1.3 Permeability
NA0.00 H/m
1.25643E-06
0.0063
10.1.5 Susceptibility
10.2 Electrical Properties
10.2.1 Electrical Property
10.2.2 Resistivity
11.1.1 Electrical Conductivity
NA0.01 106/cm Ω
0.00666
0.63
11.2.1 Electron Affinity
12 Thermal
12.1 Specific Heat
1.2 Molar Heat Capacity
NA25.52 J/mol·K
16.443
62.7
1.5 Thermal Conductivity
1.7 Critical Temperature
1.8 Thermal Expansion
1.2 Enthalpy
1.2.1 Enthalpy of Vaporization
NA151.00 kJ/mol
7.32
799.1
1.3.1 Enthalpy of Fusion
1.5.1 Enthalpy of Atomization
1.7 Standard Molar Entropy
NA56.70 J/mol.K
9.5
198.1