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Dubnium vs Platinum

Dubnium
Platinum
Platinum vs Dubnium


Periodic Table
Symbol
Db  
Pt  
Group Number
5  
13
10  
8
Period Number
7  
6  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
53850354  
14
7440064  
99+
Space Group Name
-  
Fm_ 3m  
Space Group Number
166.00  
9
225.00  
3
Facts
Interesting Facts
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
  
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
  
Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced  
Mining, Ores of metals, Ores of Minerals  
History
  
  
Who Discovered
Joint Institute for Nuclear Research  
Antonio de Ulloa  
Discovery
In 1968  
In 1735  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
20
Abundance In Sun
-  
0.00 %  
19
Abundance In Meteorites
0.00 %  
99+
0.00 %  
25
Abundance In Earth's Crust
-  
0.00 %  
99+
Abundance In Oceans
-  
-  
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Dubnium metal are limited to research purpose only.
  
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
  
Industrial Uses
-  
Aerospace Industry, Chemical Industry  
Medical Uses
-  
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing  
Other Uses
Research Purposes  
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues  
Biological Properties
  
  
Toxicity
-  
Non Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
37
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
-  
1,772.00 °C  
16
Boiling Point
0.00 °C  
99+
3,827.00 °C  
15
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery White  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
6.00  
6
3.50  
12
Brinell Hardness
330.00 MPa  
38
300.00 MPa  
99+
Vickers Hardness
400.00 MPa  
99+
400.00 MPa  
99+
Speed of Sound
2,680.00 m/s  
99+
2,800.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.20  
99+
2.41  
6
Reflectivity
55.00 %  
27
73.00 %  
10
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Db  
Pt  
Isotopes
  
  
Known Isotopes
10  
28
35  
4
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
2.28  
4
Sanderson Electronegativity
1.30  
25
2.28  
5
Allred Rochow Electronegativity
1.30  
25
1.44  
18
Mulliken-Jaffe Electronegativity
1.10  
99+
2.20  
6
Allen Electronegativity
1.30  
40
1.72  
19
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
1.72  
99+
Ionization Energies
  
  
1st Energy Level
664.80 kJ/mol  
38
870.00 kJ/mol  
10
2nd Energy Level
1,546.70 kJ/mol  
39
1,791.00 kJ/mol  
22
3rd Energy Level
2,378.40 kJ/mol  
99+
2,277.00 kJ/mol  
99+
4th Energy Level
3,298.80 kJ/mol  
99+
8,702.00 kJ/mol  
6
5th Energy Level
4,305.20 kJ/mol  
99+
8,702.00 kJ/mol  
9
6th Energy Level
12,900.00 kJ/mol  
5
8,700.00 kJ/mol  
27
7th Energy level
3,300.00 kJ/mol  
99+
8,700.00 kJ/mol  
23
8th Energy Level
5,280.00 kJ/mol  
99+
8,700.00 kJ/mol  
23
9th Energy Level
5,780.00 kJ/mol  
99+
5,660.00 kJ/mol  
99+
10th Energy Level
8,830.00 kJ/mol  
22
8,700.00 kJ/mol  
24
11th Energy Level
3,300.00 kJ/mol  
99+
8,700.00 kJ/mol  
21
12th Energy Level
88,300.00 kJ/mol  
2
8,700.00 kJ/mol  
99+
13th Energy Level
4,760.00 kJ/mol  
99+
8,700.00 kJ/mol  
16
14th Energy Level
1,120.00 kJ/mol  
99+
870.00 kJ/mol  
99+
15th Energy Level
33,000.00 kJ/mol  
99+
87,000.00 kJ/mol  
9
16th Energy Level
33,000.00 kJ/mol  
99+
870.00 kJ/mol  
99+
17th Energy Level
1,129.00 kJ/mol  
19
870.00 kJ/mol  
27
18th Energy Level
0.00 kJ/mol  
99+
8,700.00 kJ/mol  
16
19th Energy Level
1,094.90 kJ/mol  
18
870.00 kJ/mol  
25
20th Energy Level
0.00 kJ/mol  
99+
870.00 kJ/mol  
15
21st Energy Level
883.00 kJ/mol  
36
870.00 kJ/mol  
38
22nd Energy Level
330.00 kJ/mol  
99+
870.00 kJ/mol  
13
23rd Energy Level
1,150.00 kJ/mol  
33
870.10 kJ/mol  
39
24th Energy Level
528.30 kJ/mol  
99+
870.00 kJ/mol  
9
25th Energy Level
0.00 kJ/mol  
99+
870.00 kJ/mol  
7
26th Energy Level
579.80 kJ/mol  
99+
870.00 kJ/mol  
7
27th Energy Level
0.00 kJ/mol  
99+
870.10 kJ/mol  
6
28th Energy Level
1,150.00 kJ/mol  
3
870.10 kJ/mol  
9
29th Energy Level
1,094.00 kJ/mol  
5
870.00 kJ/mol  
10
30th Energy Level
0.00 kJ/mol  
99+
870.00 kJ/mol  
7
Electrochemical Equivalent
3.00 g/amp-hr  
21
1.82 g/amp-hr  
39
Electron Work Function
4.90 eV  
12
5.65 eV  
4
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Chemical Stability, Anti Corrosion, Ionization  
Atomic
Atomic Number
105  
13
78  
38
Electron Configuration
[Rn] 5f14 6d3 7s2  
[Xe] 4f14 5d9 6s1  
Crystal Structure
Body Centered Cubic (BCC)  
Face Centered Cubic (FCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
FCC-Crystal-Structure-of-Platinum.jpg#100  
Atom
  
  
Number of Protons
105  
13
78  
38
Number of Neutrons
157  
8
117  
25
Number of Electrons
105  
13
78  
38
Radius of an Atom
  
  
Atomic Radius
139.00 pm  
99+
139.00 pm  
99+
Covalent Radius
149.00 pm  
37
136.00 pm  
99+
Van der Waals Radius
0.00 pm  
99+
175.00 pm  
99+
Atomic Weight
268.00 amu  
10
47.87 amu  
99+
Atomic Volume
22.80 cm3/mol  
17
9.09 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Rutherfordium
  
Iridium
  
Next Element
Seaborgium
  
Gold
  
Valence Electron Potential
0.00 (-eV)  
99+
392.42 (-eV)  
1
Lattice Constant
-  
392.42 pm  
27
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.63  
14
1.56  
99+
Mechanical
Density
  
  
Density At Room Temperature
29.30 g/cm3  
5
21.45 g/cm3  
11
Density When Liquid (at m.p.)
29.30 g/cm3  
6
19.77 g/cm3  
12
Tensile Strength
0.10 MPa  
99+
125.00 MPa  
26
Viscosity
0.00  
25
0.00  
16
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
16
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.07 (Pa)  
18
Elasticity properties
  
  
Shear Modulus
34.00 GPa  
22
61.00 GPa  
14
Bulk Modulus
39.00 GPa  
39
230.00 GPa  
6
Young's Modulus
0.00 GPa  
99+
168.00 GPa  
15
Poisson Ratio
0.39  
5
0.38  
6
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
39.00  
3
21.45  
13
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
14
Susceptibility
0.00  
24
0.00  
20
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
6.80 nΩ·m  
99+
105.00 nΩ·m  
30
Electrical Conductivity
0.00 106/cm Ω  
99+
0.10 106/cm Ω  
26
Electron Affinity
-  
205.30 kJ/mol  
2
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.13 J/(kg K)  
40
Molar Heat Capacity
29.30 J/mol·K  
11
25.86 J/mol·K  
99+
Thermal Conductivity
0.00 W/m·K  
99+
71.60 W/m·K  
24
Critical Temperature
1,323.00 K  
99+
2,041.00 K  
19
Thermal Expansion
13.20 µm/(m·K)  
37
8.80 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
289.70 kJ/mol  
99+
510.50 kJ/mol  
15
Enthalpy of Fusion
-  
19.70 kJ/mol  
12
Enthalpy of Atomization
-  
565.00 kJ/mol  
15
Standard Molar Entropy
55.00 J/mol.K  
34
41.60 J/mol.K  
99+
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