1 Periodic Table
1.1 Symbol
1.2 Group Number
1.5 Period Number
2.5 Block
2.6 Element Family
2.7 CAS Number
744046253850354
7429905
54386242
2.10 Space Group Name
2.11 Space Group Number
4 Facts
4.1 Interesting Facts
Not Available
- IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
- In the production of Dubnium, thermal gradient chromatography is used.
4.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Produced by Bombarding Am243 with Ne22, Synthetically Produced
4.4 History
4.4.1 Who Discovered
Robert Bunsen and Gustav Kirchhoff
Joint Institute for Nuclear Research
4.4.2 Discovery
4.5 Abundance
4.5.1 Abundance In Universe
4.5.3 Abundance In Sun
~0.0000008 %~-9999 %
1E-08
0.1
4.5.6 Abundance In Meteorites
4.5.9 Abundance In Earth's Crust
4.5.11 Abundance In Oceans
5.1.2 Abundance In Humans
7 Uses
7.1 Uses & Benefits
- The most common use of cesium metal is as a drilling fluid. It is also used in optical glass manufacturing.
-
In vacuum tubes and radiation monitor equipment this metal is used as a catalyst promoter.
- Currently known uses of Dubnium metal are limited to research purpose only.
7.1.2 Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry
NA
7.1.3 Medical Uses
7.1.4 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-30.00 Blood/mg dm-3
0
1970
7.2.5 In Bone
0.05 p.p.m.0.00 p.p.m.
0
170000
9 Physical
9.1 Melting Point
9.4 Boiling Point
9.8 Appearance
9.8.1 Physical State
9.8.2 Color
9.8.3 Luster
9.9 Hardness
9.9.1 Mohs Hardness
9.10.3 Brinell Hardness
9.10.5 Vickers Hardness
9.12 Speed of Sound
9.14 Optical Properties
9.14.1 Refractive Index
9.14.3 Reflectivity
9.16 Allotropes
10.1.1 α Allotropes
Not Available
Not Available
10.1.2 β Allotropes
Not Available
Not Available
10.2.1 γ Allotropes
Not Available
Not Available
11 Chemical
11.1 Chemical Formula
11.2 Isotopes
11.2.1 Known Isotopes
11.4 Electronegativity
11.4.1 Pauling Electronegativity
11.4.3 Sanderson Electronegativity
11.4.4 Allred Rochow Electronegativity
11.4.6 Mulliken-Jaffe Electronegativity
11.4.8 Allen Electronegativity
11.5 Electropositivity
11.5.1 Pauling Electropositivity
11.6 Ionization Energies
11.6.1 1st Energy Level
375.70 kJ/mol664.80 kJ/mol
375.7
26130
11.7.2 2nd Energy Level
2,234.30 kJ/mol1,546.70 kJ/mol
710.2162
28750
11.8.2 3rd Energy Level
3,400.00 kJ/mol2,378.40 kJ/mol
1600
34230
11.8.4 4th Energy Level
NA3,298.80 kJ/mol
2780
37066
11.8.7 5th Energy Level
NA4,305.20 kJ/mol
4305.2
97510
11.8.8 6th Energy Level
11.8.10 7th Energy level
11.8.12 8th Energy Level
11.8.14 9th Energy Level
11.8.16 10th Energy Level
11.8.18 11th Energy Level
11.8.20 12th Energy Level
11.8.22 13th Energy Level
11.8.24 14th Energy Level
11.8.26 15th Energy Level
11.8.28 16th Energy Level
11.8.30 17th Energy Level
11.8.32 18th Energy Level
11.8.34 19th Energy Level
11.8.36 20th Energy Level
11.8.37 21st Energy Level
11.8.39 22nd Energy Level
11.8.41 23rd Energy Level
11.8.43 24th Energy Level
11.8.45 25th Energy Level
11.8.47 26th Energy Level
11.8.49 27th Energy Level
11.8.51 28th Energy Level
11.8.53 29th Energy Level
11.8.55 30th Energy Level
11.9 Electrochemical Equivalent
4.96 g/amp-hrNA
0.16812
8.3209
11.11 Electron Work Function
11.12 Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes, Radioactivity
12 Atomic
12.1 Atomic Number
12.3 Electron Configuration
[Xe] 6s1
[Rn] 5f14 6d3 7s2
12.4 Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
12.5.1 Crystal Lattice
13.1 Atom
13.2.1 Number of Protons
13.2.2 Number of Neutrons
13.5.3 Number of Electrons
13.6 Radius of an Atom
13.6.1 Atomic Radius
265.00 pm139.00 pm
112
265
13.6.2 Covalent Radius
244.00 pm149.00 pm
96
260
13.7.2 Van der Waals Radius
13.8 Atomic Weight
132.91 amu268.00 amu
6.94
294
13.10 Atomic Volume
71.07 cm3/molNA
1.39
71.07
13.11 Adjacent Atomic Numbers
13.11.1 Previous Element
13.11.2 Next Element
13.12 Valence Electron Potential
13.14 Lattice Constant
614.10 pmNA
228.58
891.25
13.17 Lattice Angles
13.18 Lattice C/A Ratio
14 Mechanical
14.1 Density
14.1.1 Density At Room Temperature
1.93 g/cm329.30 g/cm3
0.534
40.7
14.3.1 Density When Liquid (at m.p.)
15.2 Tensile Strength
15.3 Viscosity
15.5 Vapor Pressure
15.5.1 Vapor Pressure at 1000 K
15.5.2 Vapor Pressure at 2000 K
15.7 Elasticity properties
15.7.1 Shear Modulus
15.8.2 Bulk Modulus
15.8.3 Young's Modulus
15.9 Poisson Ratio
15.11 Other Mechanical Properties
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
16.1.2 Magnetic Ordering
16.1.3 Permeability
16.1.5 Susceptibility
16.2 Electrical Properties
16.2.1 Electrical Property
16.2.2 Resistivity
16.2.4 Electrical Conductivity
0.05 106/cm ΩNA
0.00666
0.63
16.2.5 Electron Affinity
17 Thermal
17.1 Specific Heat
18.2 Molar Heat Capacity
32.21 J/mol·KNA
16.443
62.7
18.3 Thermal Conductivity
18.4 Critical Temperature
18.5 Thermal Expansion
18.6 Enthalpy
18.6.1 Enthalpy of Vaporization
65.90 kJ/molNA
7.32
799.1
18.7.3 Enthalpy of Fusion
18.7.4 Enthalpy of Atomization
18.8 Standard Molar Entropy
85.20 J/mol.KNA
9.5
198.1