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Dubnium vs Tin

Dubnium
Tin
Tin vs Dubnium


Periodic Table
Symbol
Db  
Sn  
Group Number
5  
13
14  
4
Period Number
7  
5  
Block
d block  
p block  
Element Family
Transition Metal  
Post-​Transition  
CAS Number
53850354  
14
7440315  
99+
Space Group Name
-  
I41/amd  
Space Group Number
166.00  
9
141.00  
10
Facts
Interesting Facts
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
  
  • In the list of most abundant element Tin is ranked 49th.
  • Tin metal does not react with water as well as does not corrode in it.
  
Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced  
Found in Minerals, Mining  
History
  
  
Who Discovered
Joint Institute for Nuclear Research  
-  
Discovery
In 1968  
Before 3500 BC  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
21
Abundance In Sun
-  
0.00 %  
19
Abundance In Meteorites
0.00 %  
99+
0.00 %  
24
Abundance In Earth's Crust
-  
0.00 %  
34
Abundance In Oceans
-  
0.00 %  
26
Abundance In Humans
-  
0.00 %  
15
Uses
Uses & Benefits
  • Currently known uses of Dubnium metal are limited to research purpose only.
  
  • Tin-niobium alloy is used for producing superconducting magnets.
  • Tin salt known as a tin II chloride, it is used as a mordant and as a reducing agent for dyeing calico and silk.
  
Industrial Uses
-  
Automobile Industry, Chemical Industry, Food Industry  
Medical Uses
-  
Dentistry  
Other Uses
Research Purposes  
-  
Biological Properties
  
  
Toxicity
-  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.38 Blood/mg dm-3  
10
In Bone
0.00 p.p.m.  
99+
1.40 p.p.m.  
17
Physical
Melting Point
-  
231.90 °C  
99+
Boiling Point
0.00 °C  
99+
2,270.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery White  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
6.00  
6
1.50  
19
Brinell Hardness
330.00 MPa  
38
50.00 MPa  
99+
Vickers Hardness
400.00 MPa  
99+
50.00 MPa  
99+
Speed of Sound
2,680.00 m/s  
99+
2,730.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.20  
99+
2.40  
7
Reflectivity
55.00 %  
27
51.00 %  
30
Allotropes
No  
Yes  
α Allotropes
-  
Grey Tin (alpha Tin, Tin Pest)  
β Allotropes
-  
White Tin (Beta Tin)  
γ Allotropes
-  
Rhombic Tin (gamma Tin)  
Chemical
Chemical Formula
Db  
Sn  
Isotopes
  
  
Known Isotopes
10  
28
35  
4
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
1.96  
9
Sanderson Electronegativity
1.30  
25
1.49  
19
Allred Rochow Electronegativity
1.30  
25
1.72  
5
Mulliken-Jaffe Electronegativity
1.10  
99+
2.21  
5
Allen Electronegativity
1.30  
40
1.82  
14
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.04  
99+
Ionization Energies
  
  
1st Energy Level
664.80 kJ/mol  
38
708.60 kJ/mol  
33
2nd Energy Level
1,546.70 kJ/mol  
39
1,411.80 kJ/mol  
99+
3rd Energy Level
2,378.40 kJ/mol  
99+
2,943.00 kJ/mol  
30
4th Energy Level
3,298.80 kJ/mol  
99+
3,930.30 kJ/mol  
99+
5th Energy Level
4,305.20 kJ/mol  
99+
7,456.00 kJ/mol  
21
6th Energy Level
12,900.00 kJ/mol  
5
7,080.00 kJ/mol  
99+
7th Energy level
3,300.00 kJ/mol  
99+
7,080.00 kJ/mol  
39
8th Energy Level
5,280.00 kJ/mol  
99+
7,080.00 kJ/mol  
35
9th Energy Level
5,780.00 kJ/mol  
99+
7,080.00 kJ/mol  
32
10th Energy Level
8,830.00 kJ/mol  
22
7,080.00 kJ/mol  
36
11th Energy Level
3,300.00 kJ/mol  
99+
7,080.00 kJ/mol  
34
12th Energy Level
88,300.00 kJ/mol  
2
7,080.00 kJ/mol  
99+
13th Energy Level
4,760.00 kJ/mol  
99+
7,080.00 kJ/mol  
31
14th Energy Level
1,120.00 kJ/mol  
99+
708.60 kJ/mol  
99+
15th Energy Level
33,000.00 kJ/mol  
99+
70,800.00 kJ/mol  
27
16th Energy Level
33,000.00 kJ/mol  
99+
70,800.00 kJ/mol  
22
17th Energy Level
1,129.00 kJ/mol  
19
708.60 kJ/mol  
99+
18th Energy Level
0.00 kJ/mol  
99+
7,086.00 kJ/mol  
33
19th Energy Level
1,094.90 kJ/mol  
18
708.60 kJ/mol  
39
20th Energy Level
0.00 kJ/mol  
99+
708.00 kJ/mol  
33
21st Energy Level
883.00 kJ/mol  
36
708.60 kJ/mol  
99+
22nd Energy Level
330.00 kJ/mol  
99+
708.00 kJ/mol  
27
23rd Energy Level
1,150.00 kJ/mol  
33
708.60 kJ/mol  
99+
24th Energy Level
528.30 kJ/mol  
99+
708.60 kJ/mol  
26
25th Energy Level
0.00 kJ/mol  
99+
708.60 kJ/mol  
28
26th Energy Level
579.80 kJ/mol  
99+
708.60 kJ/mol  
27
27th Energy Level
0.00 kJ/mol  
99+
708.60 kJ/mol  
27
28th Energy Level
1,150.00 kJ/mol  
3
708.60 kJ/mol  
32
29th Energy Level
1,094.00 kJ/mol  
5
708.60 kJ/mol  
33
30th Energy Level
0.00 kJ/mol  
99+
708.60 kJ/mol  
27
Electrochemical Equivalent
3.00 g/amp-hr  
21
1.11 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
4.42 eV  
22
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Solubility  
Atomic
Atomic Number
105  
13
50  
99+
Electron Configuration
[Rn] 5f14 6d3 7s2  
[Kr] 4d10 5s2 5p2  
Crystal Structure
Body Centered Cubic (BCC)  
Tetragonal (TETR)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
TETR-Crystal-Structure-of-Tin.jpg#100  
Atom
  
  
Number of Protons
105  
13
50  
99+
Number of Neutrons
157  
8
69  
99+
Number of Electrons
105  
13
50  
99+
Radius of an Atom
  
  
Atomic Radius
139.00 pm  
99+
140.00 pm  
40
Covalent Radius
149.00 pm  
37
139.00 pm  
99+
Van der Waals Radius
0.00 pm  
99+
217.00 pm  
29
Atomic Weight
268.00 amu  
10
118.71 amu  
99+
Atomic Volume
22.80 cm3/mol  
17
16.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Rutherfordium
  
Indium
  
Next Element
Seaborgium
  
Cesium
  
Valence Electron Potential
0.00 (-eV)  
99+
83.50 (-eV)  
14
Lattice Constant
-  
583.18 pm  
7
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.63  
14
0.68  
99+
Mechanical
Density
  
  
Density At Room Temperature
29.30 g/cm3  
5
7.37 g/cm3  
99+
Density When Liquid (at m.p.)
29.30 g/cm3  
6
6.99 g/cm3  
99+
Tensile Strength
0.10 MPa  
99+
15.00 MPa  
99+
Viscosity
0.00  
25
0.00  
15
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
18
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
38
Elasticity properties
  
  
Shear Modulus
34.00 GPa  
22
18.00 GPa  
99+
Bulk Modulus
39.00 GPa  
39
58.00 GPa  
21
Young's Modulus
0.00 GPa  
99+
50.00 GPa  
39
Poisson Ratio
0.39  
5
0.36  
8
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
39.00  
3
7.31  
99+
Magnetic Ordering
-  
Diamagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
30
Electrical Properties
  
  
Electrical Property
-  
Superconductor  
Resistivity
6.80 nΩ·m  
99+
115.00 nΩ·m  
28
Electrical Conductivity
0.00 106/cm Ω  
99+
0.09 106/cm Ω  
28
Electron Affinity
-  
107.30 kJ/mol  
9
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.23 J/(kg K)  
28
Molar Heat Capacity
29.30 J/mol·K  
11
27.11 J/mol·K  
26
Thermal Conductivity
0.00 W/m·K  
99+
66.80 W/m·K  
25
Critical Temperature
1,323.00 K  
99+
505.00 K  
99+
Thermal Expansion
13.20 µm/(m·K)  
37
22.00 µm/(m·K)  
21
Enthalpy
  
  
Enthalpy of Vaporization
289.70 kJ/mol  
99+
290.40 kJ/mol  
99+
Enthalpy of Fusion
-  
7.03 kJ/mol  
99+
Enthalpy of Atomization
-  
301.30 kJ/mol  
99+
Standard Molar Entropy
55.00 J/mol.K  
34
51.20 J/mol.K  
40
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