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Titanium Niobium Comparison

Titanium
Niobium
Niobium Titanium comparison


Periodic Table
Symbol
Ti  
Nb  
Group Number
4  
14
5  
13
Period Number
4  
5  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7440326  
99+
7440031  
99+
Space Group Name
P63/mmc  
Im_ 3m  
Space Group Number
194.00  
7
229.00  
2
Facts
Interesting Facts
  • The only metal which burns in Nitrogen is Titanium.
  • Titanium is also known as corrosion resistant metal.
  
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
  
Sources
Found in Minerals, Mining  
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
W. Gregor & J. Berzelius  
Charles Hatchett  
Discovery
In 1791  
In 1801  
Abundance
  
  
Abundance In Universe
0.00 %  
10
0.00 %  
23
Abundance In Sun
0.00 %  
9
0.00 %  
23
Abundance In Meteorites
0.05 %  
11
0.00 %  
35
Abundance In Earth's Crust
0.66 %  
7
0.00 %  
25
Abundance In Oceans
0.00 %  
15
0.00 %  
34
Abundance In Humans
0.57 %  
2
0.00 %  
24
Uses
Uses & Benefits
  • Its alloys are used in spacecraft, aircraft and ammunition industry.
  • Its pipes are used in distillation plants, submarines, hulls of big ships, etc.
  
  • 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.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Aerospace Industry, Ammunition Industry, Electrical Industry, Electronic Industry  
Medical Uses
Dentistry, Surgical Instruments Manufacturing  
-  
Other Uses
Alloys, Jewellery, Sculptures, Statues  
Alloys  
Biological Properties
  
  
Toxicity
Non Toxic  
Low Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.05 Blood/mg dm-3  
16
0.01 Blood/mg dm-3  
25
In Bone
0.60 p.p.m.  
21
0.07 p.p.m.  
30
Physical
Melting Point
1,660.00 °C  
18
2,468.00 °C  
6
Boiling Point
3,287.00 °C  
23
2,468.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray-White  
Gray  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
6.00  
6
6.00  
6
Brinell Hardness
716.00 MPa  
16
735.00 MPa  
15
Vickers Hardness
830.00 MPa  
21
870.00 MPa  
19
Speed of Sound
5,090.00 m/s  
13
3,480.00 m/s  
31
Optical Properties
  
  
Refractive Index
2.40  
7
2.30  
8
Reflectivity
56.00 %  
26
70.00 %  
13
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ti  
Nb  
Isotopes
  
  
Known Isotopes
23  
16
17  
22
Electronegativity
  
  
Pauling Electronegativity
1.54  
27
1.60  
24
Sanderson Electronegativity
1.09  
39
1.42  
20
Allred Rochow Electronegativity
1.32  
24
1.23  
26
Mulliken-Jaffe Electronegativity
1.54  
24
1.60  
22
Allen Electronegativity
1.38  
36
1.41  
35
Electropositivity
  
  
Pauling Electropositivity
2.46  
28
2.40  
31
Ionization Energies
  
  
1st Energy Level
658.80 kJ/mol  
39
652.10 kJ/mol  
99+
2nd Energy Level
1,309.80 kJ/mol  
99+
1,380.00 kJ/mol  
99+
3rd Energy Level
2,652.50 kJ/mol  
99+
2,416.00 kJ/mol  
99+
4th Energy Level
4,174.60 kJ/mol  
99+
3,700.00 kJ/mol  
99+
5th Energy Level
9,581.00 kJ/mol  
5
4,877.00 kJ/mol  
99+
6th Energy Level
11,533.00 kJ/mol  
8
9,847.00 kJ/mol  
17
7th Energy level
13,590.00 kJ/mol  
6
12,100.00 kJ/mol  
14
8th Energy Level
16,440.00 kJ/mol  
8
6,520.00 kJ/mol  
99+
9th Energy Level
18,530.00 kJ/mol  
11
5,470.00 kJ/mol  
99+
10th Energy Level
20,833.00 kJ/mol  
15
5,470.00 kJ/mol  
99+
11th Energy Level
25,575.00 kJ/mol  
14
6,520.00 kJ/mol  
99+
12th Energy Level
28,125.00 kJ/mol  
37
6,520.00 kJ/mol  
99+
13th Energy Level
76,015.00 kJ/mol  
1
5,470.00 kJ/mol  
99+
14th Energy Level
83,280.00 kJ/mol  
2
691.00 kJ/mol  
99+
15th Energy Level
90,880.00 kJ/mol  
4
65,200.00 kJ/mol  
35
16th Energy Level
100,700.00 kJ/mol  
4
652.10 kJ/mol  
99+
17th Energy Level
109,100.00 kJ/mol  
5
652.10 kJ/mol  
99+
18th Energy Level
117,800.00 kJ/mol  
6
6,520.00 kJ/mol  
37
19th Energy Level
129,900.00 kJ/mol  
7
652.10 kJ/mol  
99+
20th Energy Level
137,530.00 kJ/mol  
9
652.00 kJ/mol  
38
21st Energy Level
658.80 kJ/mol  
99+
652.10 kJ/mol  
99+
22nd Energy Level
658.00 kJ/mol  
31
694.00 kJ/mol  
30
23rd Energy Level
658.80 kJ/mol  
99+
4,490.00 kJ/mol  
30
24th Energy Level
658.80 kJ/mol  
30
652.10 kJ/mol  
33
25th Energy Level
658.80 kJ/mol  
32
652.10 kJ/mol  
35
26th Energy Level
658.80 kJ/mol  
31
652.10 kJ/mol  
34
27th Energy Level
658.80 kJ/mol  
32
652.10 kJ/mol  
35
28th Energy Level
658.80 kJ/mol  
37
652.10 kJ/mol  
40
29th Energy Level
658.80 kJ/mol  
38
652.10 kJ/mol  
99+
30th Energy Level
658.80 kJ/mol  
34
652.00 kJ/mol  
37
Electrochemical Equivalent
0.45 g/amp-hr  
99+
0.69 g/amp-hr  
99+
Electron Work Function
4.33 eV  
24
4.30 eV  
25
Other Chemical Properties
Chemical Stability, Ionization  
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
22  
99+
41  
99+
Electron Configuration
[Ar] 3d2 4s2  
[Kr] 4d4 5s1  
Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  
Crystal Lattice
HCP-Crystal-Structure-of-Titanium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
22  
99+
41  
99+
Number of Neutrons
26  
99+
52  
99+
Number of Electrons
22  
99+
41  
99+
Radius of an Atom
  
  
Atomic Radius
147.00 pm  
36
146.00 pm  
37
Covalent Radius
160.00 pm  
32
164.00 pm  
30
Van der Waals Radius
200.00 pm  
35
200.00 pm  
35
Atomic Weight
47.87 amu  
99+
92.91 amu  
99+
Atomic Volume
10.64 cm3/mol  
99+
10.87 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Scandium
  
Zirconium
  
Next Element
Vanadium
  
Molybdenum
  
Valence Electron Potential
95.20 (-eV)  
10
104.00 (-eV)  
8
Lattice Constant
295.08 pm  
99+
330.04 pm  
99+
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  
Lattice C/A Ratio
1.59  
30
1.47  
99+
Mechanical
Density
  
  
Density At Room Temperature
4.51 g/cm3  
99+
8.57 g/cm3  
99+
Density When Liquid (at m.p.)
4.11 g/cm3  
99+
8.57 g/cm3  
99+
Tensile Strength
434.00 MPa  
10
330.00 MPa  
14
Viscosity
0.00  
22
0.00  
22
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
16
Vapor Pressure at 2000 K
0.98 (Pa)  
14
0.00 (Pa)  
36
Elasticity properties
  
  
Shear Modulus
44.00 GPa  
17
38.00 GPa  
20
Bulk Modulus
110.00 GPa  
15
170.00 GPa  
10
Young's Modulus
116.00 GPa  
20
105.00 GPa  
22
Poisson Ratio
0.32  
12
0.40  
4
Other Mechanical Properties
Ductile  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
4.51  
99+
8.57  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
4
Susceptibility
0.00  
24
0.00  
30
Electrical Properties
  
  
Electrical Property
Poor Conductor  
Conductor  
Resistivity
420.00 nΩ·m  
12
152.00 nΩ·m  
23
Electrical Conductivity
0.02 106/cm Ω  
99+
0.07 106/cm Ω  
33
Electron Affinity
7.60 kJ/mol  
99+
86.10 kJ/mol  
14
Thermal
Specific Heat
0.52 J/(kg K)  
9
0.26 J/(kg K)  
20
Molar Heat Capacity
25.06 J/mol·K  
99+
24.60 J/mol·K  
99+
Thermal Conductivity
21.90 W/m·K  
99+
53.70 W/m·K  
29
Critical Temperature
1,941.00 K  
21
2,750.00 K  
7
Thermal Expansion
8.60 µm/(m·K)  
99+
7.30 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
429.00 kJ/mol  
20
696.60 kJ/mol  
5
Enthalpy of Fusion
15.48 kJ/mol  
19
27.20 kJ/mol  
6
Enthalpy of Atomization
468.60 kJ/mol  
20
745.00 kJ/mol  
4
Standard Molar Entropy
27.30 J/mol.K  
99+
36.40 J/mol.K  
99+
Summary >>
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