1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
1.6 CAS Number
538503547440235
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
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.
- At room temperature Sodium metal is very soft as it can be chopped down into pieces with butter knife.
- The most common compound of Sodium is NaCl (Salt).
2.2 Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced
By Electrolysis Process, Mining
2.3 History
2.3.1 Who Discovered
Joint Institute for Nuclear Research
Humphry Davy
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.5.1 Abundance In Sun
~-9999 %~0.004 %
1E-08
0.1
2.8.1 Abundance In Meteorites
2.10.1 Abundance In Earth's Crust
3.4.2 Abundance In Oceans
3.4.4 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Currently known uses of Dubnium metal are limited to research purpose only.
- In some nuclear reactors sodium is used as a heat exchanger.
- Compound of Sodium metals called Salt (Sodium chloride) is used in Food.
4.1.1 Industrial Uses
NA
Electrical Industry, Electronic Industry
4.1.2 Medical Uses
NA
Pharmaceutical Industry
4.1.3 Other Uses
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-31,970.00 Blood/mg dm-3
0
1970
4.2.4 In Bone
0.00 p.p.m.10,000.00 p.p.m.
0
170000
5 Physical
5.1 Melting Point
5.2 Boiling Point
6.3 Appearance
6.3.1 Physical State
6.3.2 Color
6.3.3 Luster
6.4 Hardness
6.4.1 Mohs Hardness
7.1.1 Brinell Hardness
7.2.1 Vickers Hardness
7.3 Speed of Sound
7.6 Optical Properties
7.6.1 Refractive Index
7.6.3 Reflectivity
7.7 Allotropes
7.7.1 α Allotropes
Not Available
Not Available
7.7.2 β Allotropes
Not Available
Not Available
7.7.3 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
8.4.1 Sanderson Electronegativity
8.4.2 Allred Rochow Electronegativity
8.5.2 Mulliken-Jaffe Electronegativity
8.6.2 Allen Electronegativity
9.3 Electropositivity
9.3.1 Pauling Electropositivity
9.5 Ionization Energies
9.5.1 1st Energy Level
664.80 kJ/mol495.80 kJ/mol
375.7
26130
9.5.3 2nd Energy Level
1,546.70 kJ/mol4,562.00 kJ/mol
710.2162
28750
9.5.5 3rd Energy Level
2,378.40 kJ/mol6,910.30 kJ/mol
1600
34230
9.5.7 4th Energy Level
3,298.80 kJ/mol9,543.00 kJ/mol
2780
37066
9.5.9 5th Energy Level
4,305.20 kJ/mol13,354.00 kJ/mol
4305.2
97510
9.5.10 6th Energy Level
NA16,613.00 kJ/mol
5715.8
105800
9.6.2 7th Energy level
NA20,117.00 kJ/mol
7226.8
114300
9.7.2 8th Energy Level
NA25,496.00 kJ/mol
8857.4
125300
9.7.3 9th Energy Level
NA28,932.00 kJ/mol
14110
134700
9.7.5 10th Energy Level
NA141,362.00 kJ/mol
17100
144300
9.7.7 11th Energy Level
NA159,076.00 kJ/mol
19900
169988
9.7.9 12th Energy Level
9.7.11 13th Energy Level
9.7.13 14th Energy Level
9.7.16 15th Energy Level
9.7.18 16th Energy Level
9.7.20 17th Energy Level
9.7.22 18th Energy Level
9.7.23 19th Energy Level
9.7.25 20th Energy Level
9.7.27 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
9.7.40 30th Energy Level
9.8 Electrochemical Equivalent
NA0.86 g/amp-hr
0.16812
8.3209
9.9 Electron Work Function
9.10 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Chemical Stability, Corrosion, Flammability, Ionization, Solubility
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Rn] 5f14 6d3 7s2
[Ne] 3s1
10.3 Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.4.3 Number of Neutrons
10.4.6 Number of Electrons
10.5 Radius of an Atom
10.5.1 Atomic Radius
139.00 pm186.00 pm
112
265
10.5.3 Covalent Radius
149.00 pm166.00 pm
96
260
10.6.1 Van der Waals Radius
10.7 Atomic Weight
268.00 amu22.99 amu
6.94
294
10.8 Atomic Volume
NA23.70 cm3/mol
1.39
71.07
10.10 Adjacent Atomic Numbers
10.10.1 Previous Element
10.10.2 Next Element
10.11 Valence Electron Potential
11.2 Lattice Constant
NA429.06 pm
228.58
891.25
11.6 Lattice Angles
11.7 Lattice C/A Ratio
12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
29.30 g/cm30.97 g/cm3
0.534
40.7
12.1.3 Density When Liquid (at m.p.)
12.2 Tensile Strength
12.4 Viscosity
12.5 Vapor Pressure
12.5.1 Vapor Pressure at 1000 K
12.5.3 Vapor Pressure at 2000 K
12.7 Elasticity properties
12.7.1 Shear Modulus
12.8.1 Bulk Modulus
12.10.1 Young's Modulus
12.12 Poisson Ratio
12.15 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 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
14.4.1 Electrical Conductivity
NA0.21 106/cm Ω
0.00666
0.63
14.5.2 Electron Affinity
15 Thermal
15.1 Specific Heat
15.2 Molar Heat Capacity
NA28.23 J/mol·K
16.443
62.7
15.3 Thermal Conductivity
15.4 Critical Temperature
15.6 Thermal Expansion
15.7 Enthalpy
15.7.1 Enthalpy of Vaporization
NA89.04 kJ/mol
7.32
799.1
16.1.3 Enthalpy of Fusion
16.1.6 Enthalpy of Atomization
16.3 Standard Molar Entropy
NA51.30 J/mol.K
9.5
198.1