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Niobium vs Zinc

Niobium
Zinc
Zinc vs Niobium


Periodic Table
Symbol
Nb  
Zn  
Group Number
5  
13
12  
6
Period Number
5  
4  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7440031  
99+
7440666  
24
Space Group Name
Im_ 3m  
P63/mmc  
Space Group Number
229.00  
2
194.00  
7
Facts
Interesting Facts
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
  
  • 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
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Charles Hatchett  
Indian metallurgists  
Discovery
In 1801  
Before 1000 BCE  
Abundance
  
  
Abundance In Universe
0.00 %  
23
0.00 %  
12
Abundance In Sun
0.00 %  
23
0.00 %  
10
Abundance In Meteorites
0.00 %  
35
0.02 %  
12
Abundance In Earth's Crust
0.00 %  
25
0.01 %  
16
Abundance In Oceans
0.00 %  
34
0.00 %  
10
Abundance In Humans
0.00 %  
24
0.00 %  
7
Uses
Uses & Benefits
  • Niobium alloys are used in jet engines and rockets and spacecraft, beams and girders for buildings and oil and gas pipelines.
  • It is used superconducting magnets in particles accelerators, NMR and MRI equipment.
  
  • 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
Aerospace Industry, Ammunition Industry, Electrical Industry, Electronic Industry  
Electrical Industry, Electronic Industry  
Medical Uses
-  
Pharmaceutical Industry  
Other Uses
Alloys  
Alloys  
Biological Properties
  
  
Toxicity
Low Toxic  
Highly Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.01 Blood/mg dm-3  
25
7.00 Blood/mg dm-3  
6
In Bone
0.07 p.p.m.  
30
170.00 p.p.m.  
6
Physical
Melting Point
2,468.00 °C  
6
419.58 °C  
99+
Boiling Point
2,468.00 °C  
99+
907.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Gray  
Silvery Gray  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
6.00  
6
2.50  
15
Brinell Hardness
735.00 MPa  
15
327.00 MPa  
39
Vickers Hardness
870.00 MPa  
19
207.00 MPa  
99+
Speed of Sound
3,480.00 m/s  
31
3,850.00 m/s  
25
Optical Properties
  
  
Refractive Index
2.30  
8
1.00  
99+
Reflectivity
70.00 %  
13
80.00 %  
7
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Nb  
Zn  
Isotopes
  
  
Known Isotopes
17  
22
25  
14
Electronegativity
  
  
Pauling Electronegativity
1.60  
24
1.65  
20
Sanderson Electronegativity
1.42  
20
2.23  
7
Allred Rochow Electronegativity
1.23  
26
1.66  
8
Mulliken-Jaffe Electronegativity
1.60  
22
1.65  
20
Allen Electronegativity
1.41  
35
1.59  
25
Electropositivity
  
  
Pauling Electropositivity
2.40  
31
2.35  
35
Ionization Energies
  
  
1st Energy Level
652.10 kJ/mol  
99+
906.40 kJ/mol  
6
2nd Energy Level
1,380.00 kJ/mol  
99+
1,733.30 kJ/mol  
28
3rd Energy Level
2,416.00 kJ/mol  
99+
3,833.00 kJ/mol  
12
4th Energy Level
3,700.00 kJ/mol  
99+
5,731.00 kJ/mol  
20
5th Energy Level
4,877.00 kJ/mol  
99+
7,970.00 kJ/mol  
15
6th Energy Level
9,847.00 kJ/mol  
17
10,400.00 kJ/mol  
15
7th Energy level
12,100.00 kJ/mol  
14
12,900.00 kJ/mol  
9
8th Energy Level
6,520.00 kJ/mol  
99+
16,800.00 kJ/mol  
6
9th Energy Level
5,470.00 kJ/mol  
99+
19,600.00 kJ/mol  
8
10th Energy Level
5,470.00 kJ/mol  
99+
23,000.00 kJ/mol  
10
11th Energy Level
6,520.00 kJ/mol  
99+
26,400.00 kJ/mol  
11
12th Energy Level
6,520.00 kJ/mol  
99+
29,990.00 kJ/mol  
33
13th Energy Level
5,470.00 kJ/mol  
99+
40,490.00 kJ/mol  
5
14th Energy Level
691.00 kJ/mol  
99+
43,800.00 kJ/mol  
6
15th Energy Level
65,200.00 kJ/mol  
35
47,300.00 kJ/mol  
99+
16th Energy Level
652.10 kJ/mol  
99+
52,300.00 kJ/mol  
99+
17th Energy Level
652.10 kJ/mol  
99+
55,900.00 kJ/mol  
10
18th Energy Level
6,520.00 kJ/mol  
37
59,700.00 kJ/mol  
11
19th Energy Level
652.10 kJ/mol  
99+
67,300.00 kJ/mol  
10
20th Energy Level
652.00 kJ/mol  
38
171,200.00 kJ/mol  
1
21st Energy Level
652.10 kJ/mol  
99+
179,100.00 kJ/mol  
1
22nd Energy Level
694.00 kJ/mol  
30
906.00 kJ/mol  
9
23rd Energy Level
4,490.00 kJ/mol  
30
906.40 kJ/mol  
37
24th Energy Level
652.10 kJ/mol  
33
906.40 kJ/mol  
5
25th Energy Level
652.10 kJ/mol  
35
906.40 kJ/mol  
4
26th Energy Level
652.10 kJ/mol  
34
906.40 kJ/mol  
4
27th Energy Level
652.10 kJ/mol  
35
906.40 kJ/mol  
3
28th Energy Level
652.10 kJ/mol  
40
906.40 kJ/mol  
6
29th Energy Level
652.10 kJ/mol  
99+
906.40 kJ/mol  
7
30th Energy Level
652.00 kJ/mol  
37
906.40 kJ/mol  
4
Electrochemical Equivalent
0.69 g/amp-hr  
99+
1.22 g/amp-hr  
99+
Electron Work Function
4.30 eV  
25
4.33 eV  
24
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes  
Atomic
Atomic Number
41  
99+
30  
99+
Electron Configuration
[Kr] 4d4 5s1  
[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
41  
99+
30  
99+
Number of Neutrons
52  
99+
35  
99+
Number of Electrons
41  
99+
30  
99+
Radius of an Atom
  
  
Atomic Radius
146.00 pm  
37
134.00 pm  
99+
Covalent Radius
164.00 pm  
30
122.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
139.00 pm  
99+
Atomic Weight
92.91 amu  
99+
65.38 amu  
99+
Atomic Volume
10.87 cm3/mol  
99+
9.20 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Zirconium
  
Copper
  
Next Element
Molybdenum
  
Gallium
  
Valence Electron Potential
104.00 (-eV)  
8
38.90 (-eV)  
99+
Lattice Constant
330.04 pm  
99+
266.49 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.47  
99+
1.86  
4
Mechanical
Density
  
  
Density At Room Temperature
8.57 g/cm3  
99+
7.14 g/cm3  
99+
Density When Liquid (at m.p.)
8.57 g/cm3  
99+
6.57 g/cm3  
99+
Tensile Strength
330.00 MPa  
14
120.00 MPa  
27
Viscosity
0.00  
22
0.00  
7
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
16
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
36
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
38.00 GPa  
20
43.00 GPa  
18
Bulk Modulus
170.00 GPa  
10
70.00 GPa  
20
Young's Modulus
105.00 GPa  
22
108.00 GPa  
21
Poisson Ratio
0.40  
4
0.25  
24
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
8.57  
99+
6.90  
99+
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
4
0.00 H/m  
16
Susceptibility
0.00  
30
0.00  
6
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
152.00 nΩ·m  
23
59.00 nΩ·m  
40
Electrical Conductivity
0.07 106/cm Ω  
33
0.17 106/cm Ω  
12
Electron Affinity
86.10 kJ/mol  
14
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.26 J/(kg K)  
20
0.39 J/(kg K)  
14
Molar Heat Capacity
24.60 J/mol·K  
99+
25.47 J/mol·K  
99+
Thermal Conductivity
53.70 W/m·K  
29
116.00 W/m·K  
14
Critical Temperature
2,750.00 K  
7
692.00 K  
99+
Thermal Expansion
7.30 µm/(m·K)  
99+
30.20 µm/(m·K)  
11
Enthalpy
  
  
Enthalpy of Vaporization
696.60 kJ/mol  
5
7.32 kJ/mol  
99+
Enthalpy of Fusion
27.20 kJ/mol  
6
7.32 kJ/mol  
99+
Enthalpy of Atomization
745.00 kJ/mol  
4
129.70 kJ/mol  
99+
Standard Molar Entropy
36.40 J/mol.K  
99+
41.60 J/mol.K  
99+
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