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Dubnium Sodium Comparison


Sodium Dubnium comparison


Periodic Table

Symbol
Db   
Na   

Group Number
5   
13
1   
17

Period Number
7   
3   

Block
d block   
s block   

Element Family
Transition Metal   
Alkali   

CAS Number
53850354   
14
7440235   
99+

Space Group Name
Not Available   
Im_ 3m   

Space Group Number
Not Available   
229.00   
1

Facts

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).
  

Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced   
By Electrolysis Process, Mining   

History
  
  

Who Discovered
Joint Institute for Nuclear Research   
Humphry Davy   

Discovery
In 1968   
In 1807   

Abundance
  
  

Abundance In Universe
Not Available   
2 * 10-3 %   
6

Abundance In Sun
~-9999 %   
~0.004 %   
6

Abundance In Meteorites
Not Available   
0.55 %   
6

Abundance In Earth's Crust
Not Available   
2.30 %   
5

Abundance In Oceans
Not Available   
1.10 %   
1

Abundance In Humans
Not Available   
0.14 %   
3

Uses

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.
  

Industrial Uses
NA   
Electrical Industry, Electronic Industry   

Medical Uses
NA   
Pharmaceutical Industry   

Other Uses
Research Purposes   
Alloys   

Biological Properties
  
  

Toxicity
Unknown   
Toxic   

Present in Human Body
No   
Yes   

In Blood
0.00 Blood/mg dm-3   
37
1,970.00 Blood/mg dm-3   
1

In Bone
0.00 p.p.m.   
36
10,000.00 p.p.m.   
2

Physical Properties

Melting Point
Not Available   
97.72 °C   
99+

Boiling Point
Not Available   
883.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Unknown   
Silvery White   

Luster
Unknown Luster   
Metallic   

Hardness
  
  

Mohs Hardness
Not Available   
0.50   
22

Brinell Hardness
Not Available   
0.69 MPa   
99+

Speed of Sound
Not Available   
3,200.00 m/s   
24

Optical Properties
  
  

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

Chemical Properties

Chemical Formula
Db   
Na   

Isotopes
  
  

Known Isotopes
10   
28
17   
22

Electronegativity
  
  

Pauling Electronegativity
Not Available   
0.93   
99+

Sanderson Electronegativity
Not Available   
0.56   
30

Allred Rochow Electronegativity
Not Available   
1.01   
35

Mulliken-Jaffe Electronegativity
Not Available   
0.91   
21

Allen Electronegativity
Not Available   
0.87   
99+

Electropositivity
  
  

Pauling Electropositivity
Not Available   
3.07   
6

Ionization Energies
  
  

1st Energy Level
664.80 kJ/mol   
38
495.80 kJ/mol   
99+

2nd Energy Level
1,546.70 kJ/mol   
38
4,562.00 kJ/mol   
4

3rd Energy Level
2,378.40 kJ/mol   
99+
6,910.30 kJ/mol   
6

4th Energy Level
3,298.80 kJ/mol   
99+
9,543.00 kJ/mol   
5

5th Energy Level
4,305.20 kJ/mol   
39
13,354.00 kJ/mol   
4

6th Energy Level
Not Available   
16,613.00 kJ/mol   
4

7th Energy level
Not Available   
20,117.00 kJ/mol   
4

8th Energy Level
Not Available   
25,496.00 kJ/mol   
4

9th Energy Level
Not Available   
28,932.00 kJ/mol   
4

10th Energy Level
Not Available   
141,362.00 kJ/mol   
2

11th Energy Level
Not Available   
159,076.00 kJ/mol   
2

Electrochemical Equivalent
Not Available   
0.86 g/amp-hr   
99+

Electron Work Function
Not Available   
2.75 eV   
40

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Corrosion, Flammability, Ionization, Solubility   

Atomic Properties

Atomic Number
105   
13
11   
99+

Electron Configuration
[Rn] 5f14 6d3 7s2   
[Ne] 3s1   

Crystal Structure
Body Centered Cubic (BCC)   
Body Centered Cubic (BCC)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
105   
13
11   
99+

Number of Neutrons
157   
7
12   
99+

Number of Electrons
105   
13
11   
99+

Radius of an Atom
  
  

Atomic Radius
139.00 pm   
39
186.00 pm   
9

Covalent Radius
149.00 pm   
35
166.00 pm   
27

Van der Waals Radius
Not Available   
227.00 pm   
21

Atomic Weight
268.00 amu   
10
22.99 amu   
99+

Atomic Volume
Not Available   
23.70 cm3/mol   
10

Adjacent Atomic Numbers
  
  

Previous Element
Beryllium
  

Next Element
Seaborgium
  
Magnesium
  

Valence Electron Potential
Not Available   
14.10 (-eV)   
99+

Lattice Constant
Not Available   
429.06 pm   
19

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
29.30 g/cm3   
5
0.97 g/cm3   
99+

Density When Liquid (at m.p.)
Not Available   
0.93 g/cm3   
99+

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Elasticity properties
  
  

Shear Modulus
Not Available   
3.30 GPa   
99+

Bulk Modulus
Not Available   
6.30 GPa   
99+

Young's Modulus
Not Available   
10.00 GPa   
99+

Poisson Ratio
Not Available   
Not Available   

Other Mechanical Properties
Unknown   
NA   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
Not Available   
0.97   
99+

Magnetic Ordering
Unknown   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Unknown   
Conductor   

Resistivity
Not Available   
47.70 nΩ·m   
99+

Electrical Conductivity
Not Available   
0.21 106/cm Ω   
9

Electron Affinity
Not Available   
52.80 kJ/mol   
19

Thermal Properties

Specific Heat
Not Available   
1.23 J/(kg K)   
3

Molar Heat Capacity
Not Available   
28.23 J/mol·K   
10

Thermal Conductivity
Not Available   
142.00 W/m·K   
11

Critical Temperature
Not Available   
2,573.00 K   
2

Thermal Expansion
Not Available   
71.00 µm/(m·K)   
4

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
89.04 kJ/mol   
99+

Enthalpy of Fusion
Not Available   
2.59 kJ/mol   
99+

Enthalpy of Atomization
Not Available   
108.40 kJ/mol   
99+

Standard Molar Entropy
Not Available   
51.30 J/mol.K   
28

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