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Dubnium vs Zinc

Dubnium
Zinc
Zinc vs Dubnium


Periodic Table
Symbol
Db  
Zn  
Group Number
5  
13
12  
6
Period Number
7  
4  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
53850354  
14
7440666  
24
Space Group Name
-  
P63/mmc  
Space Group Number
166.00  
9
194.00  
7
Facts
Interesting Facts
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
  
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.
  
Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Joint Institute for Nuclear Research  
Indian metallurgists  
Discovery
In 1968  
Before 1000 BCE  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
12
Abundance In Sun
-  
0.00 %  
10
Abundance In Meteorites
0.00 %  
99+
0.02 %  
12
Abundance In Earth's Crust
-  
0.01 %  
16
Abundance In Oceans
-  
0.00 %  
10
Abundance In Humans
-  
0.00 %  
7
Uses
Uses & Benefits
  • Currently known uses of Dubnium metal are limited to research purpose only.
  
  • It is mainly used for Galvanizing other metals.
  • It is also used for manufacturing die-casting and it is very essential for automobile industry.
  
Industrial Uses
-  
Electrical Industry, Electronic Industry  
Medical Uses
-  
Pharmaceutical Industry  
Other Uses
Research Purposes  
Alloys  
Biological Properties
  
  
Toxicity
-  
Highly Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
7.00 Blood/mg dm-3  
6
In Bone
0.00 p.p.m.  
99+
170.00 p.p.m.  
6
Physical
Melting Point
-  
419.58 °C  
99+
Boiling Point
0.00 °C  
99+
907.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery Gray  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
6.00  
6
2.50  
15
Brinell Hardness
330.00 MPa  
38
327.00 MPa  
39
Vickers Hardness
400.00 MPa  
99+
207.00 MPa  
99+
Speed of Sound
2,680.00 m/s  
99+
3,850.00 m/s  
25
Optical Properties
  
  
Refractive Index
1.20  
99+
1.00  
99+
Reflectivity
55.00 %  
27
80.00 %  
7
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Db  
Zn  
Isotopes
  
  
Known Isotopes
10  
28
25  
14
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
1.65  
20
Sanderson Electronegativity
1.30  
25
2.23  
7
Allred Rochow Electronegativity
1.30  
25
1.66  
8
Mulliken-Jaffe Electronegativity
1.10  
99+
1.65  
20
Allen Electronegativity
1.30  
40
1.59  
25
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.35  
35
Ionization Energies
  
  
1st Energy Level
664.80 kJ/mol  
38
906.40 kJ/mol  
6
2nd Energy Level
1,546.70 kJ/mol  
39
1,733.30 kJ/mol  
28
3rd Energy Level
2,378.40 kJ/mol  
99+
3,833.00 kJ/mol  
12
4th Energy Level
3,298.80 kJ/mol  
99+
5,731.00 kJ/mol  
20
5th Energy Level
4,305.20 kJ/mol  
99+
7,970.00 kJ/mol  
15
6th Energy Level
12,900.00 kJ/mol  
5
10,400.00 kJ/mol  
15
7th Energy level
3,300.00 kJ/mol  
99+
12,900.00 kJ/mol  
9
8th Energy Level
5,280.00 kJ/mol  
99+
16,800.00 kJ/mol  
6
9th Energy Level
5,780.00 kJ/mol  
99+
19,600.00 kJ/mol  
8
10th Energy Level
8,830.00 kJ/mol  
22
23,000.00 kJ/mol  
10
11th Energy Level
3,300.00 kJ/mol  
99+
26,400.00 kJ/mol  
11
12th Energy Level
88,300.00 kJ/mol  
2
29,990.00 kJ/mol  
33
13th Energy Level
4,760.00 kJ/mol  
99+
40,490.00 kJ/mol  
5
14th Energy Level
1,120.00 kJ/mol  
99+
43,800.00 kJ/mol  
6
15th Energy Level
33,000.00 kJ/mol  
99+
47,300.00 kJ/mol  
99+
16th Energy Level
33,000.00 kJ/mol  
99+
52,300.00 kJ/mol  
99+
17th Energy Level
1,129.00 kJ/mol  
19
55,900.00 kJ/mol  
10
18th Energy Level
0.00 kJ/mol  
99+
59,700.00 kJ/mol  
11
19th Energy Level
1,094.90 kJ/mol  
18
67,300.00 kJ/mol  
10
20th Energy Level
0.00 kJ/mol  
99+
171,200.00 kJ/mol  
1
21st Energy Level
883.00 kJ/mol  
36
179,100.00 kJ/mol  
1
22nd Energy Level
330.00 kJ/mol  
99+
906.00 kJ/mol  
9
23rd Energy Level
1,150.00 kJ/mol  
33
906.40 kJ/mol  
37
24th Energy Level
528.30 kJ/mol  
99+
906.40 kJ/mol  
5
25th Energy Level
0.00 kJ/mol  
99+
906.40 kJ/mol  
4
26th Energy Level
579.80 kJ/mol  
99+
906.40 kJ/mol  
4
27th Energy Level
0.00 kJ/mol  
99+
906.40 kJ/mol  
3
28th Energy Level
1,150.00 kJ/mol  
3
906.40 kJ/mol  
6
29th Energy Level
1,094.00 kJ/mol  
5
906.40 kJ/mol  
7
30th Energy Level
0.00 kJ/mol  
99+
906.40 kJ/mol  
4
Electrochemical Equivalent
3.00 g/amp-hr  
21
1.22 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
4.33 eV  
24
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes  
Atomic
Atomic Number
105  
13
30  
99+
Electron Configuration
[Rn] 5f14 6d3 7s2  
[Ar] 3d10 4s2  
Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Zinc.jpg#100  
Atom
  
  
Number of Protons
105  
13
30  
99+
Number of Neutrons
157  
8
35  
99+
Number of Electrons
105  
13
30  
99+
Radius of an Atom
  
  
Atomic Radius
139.00 pm  
99+
134.00 pm  
99+
Covalent Radius
149.00 pm  
37
122.00 pm  
99+
Van der Waals Radius
0.00 pm  
99+
139.00 pm  
99+
Atomic Weight
268.00 amu  
10
65.38 amu  
99+
Atomic Volume
22.80 cm3/mol  
17
9.20 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Rutherfordium
  
Copper
  
Next Element
Seaborgium
  
Gallium
  
Valence Electron Potential
0.00 (-eV)  
99+
38.90 (-eV)  
99+
Lattice Constant
-  
266.49 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.63  
14
1.86  
4
Mechanical
Density
  
  
Density At Room Temperature
29.30 g/cm3  
5
7.14 g/cm3  
99+
Density When Liquid (at m.p.)
29.30 g/cm3  
6
6.57 g/cm3  
99+
Tensile Strength
0.10 MPa  
99+
120.00 MPa  
27
Viscosity
0.00  
25
0.00  
7
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
34.00 GPa  
22
43.00 GPa  
18
Bulk Modulus
39.00 GPa  
39
70.00 GPa  
20
Young's Modulus
0.00 GPa  
99+
108.00 GPa  
21
Poisson Ratio
0.39  
5
0.25  
24
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
39.00  
3
6.90  
99+
Magnetic Ordering
-  
Diamagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
16
Susceptibility
0.00  
24
0.00  
6
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
6.80 nΩ·m  
99+
59.00 nΩ·m  
40
Electrical Conductivity
0.00 106/cm Ω  
99+
0.17 106/cm Ω  
12
Electron Affinity
-  
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.39 J/(kg K)  
14
Molar Heat Capacity
29.30 J/mol·K  
11
25.47 J/mol·K  
99+
Thermal Conductivity
0.00 W/m·K  
99+
116.00 W/m·K  
14
Critical Temperature
1,323.00 K  
99+
692.00 K  
99+
Thermal Expansion
13.20 µm/(m·K)  
37
30.20 µm/(m·K)  
11
Enthalpy
  
  
Enthalpy of Vaporization
289.70 kJ/mol  
99+
7.32 kJ/mol  
99+
Enthalpy of Fusion
-  
7.32 kJ/mol  
99+
Enthalpy of Atomization
-  
129.70 kJ/mol  
99+
Standard Molar Entropy
55.00 J/mol.K  
34
41.60 J/mol.K  
99+
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