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Titanium Aluminium Comparison


Aluminium Titanium comparison


Periodic Table

Symbol
Ti   
Al   

Group Number
4   
14
13   
5

Period Number
4   
3   

Block
d block   
p block   

Element Family
Transition Metal   
Post-​Transition   

CAS Number
7440326   
99+
7429905   
99+

Space Group Name
P63/mmc   
Fm_ 3m   

Space Group Number
194.00   
5
225.00   
2

Facts

Interesting Facts
  • The only metal which burns in Nitrogen is Titanium.
  • Titanium is also known as corrosion resistant metal.
  
  • Aluminum’s abundance percentage is more as it is found in more than 260 minerals.
  • Pure Aluminum always reacts with oxygen rapidly.
  • It is a good conductor of heat and electricity and used in transmission lines.
  

Sources
Found in Minerals, Mining   
By Electrolysis Process, Earth's crust, Mining   

History
  
  

Who Discovered
W. Gregor & J. Berzelius   
Hans Christian Oersted   

Discovery
In 1791   
In 1825   

Abundance
  
  

Abundance In Universe
3 * 10-4 %   
9
5 * 10-3 %   
5

Abundance In Sun
~0.0004 %   
9
~0.006 %   
5

Abundance In Meteorites
0.05 %   
11
0.91 %   
5

Abundance In Earth's Crust
0.66 %   
7
8.10 %   
1

Abundance In Oceans
0.00 %   
15
0.00 %   
6

Abundance In Humans
Not Available   
0.00 %   
10

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.
  
  • Aluminum is used in a various products; for example, cans, foils, kitchen utensils, window frames, beer kegs and aero plane parts, automobile parts, etc.
  

Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   

Medical Uses
Dentistry, Surgical Instruments Manufacturing   
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   

Other Uses
Alloys, Jewellery, Sculptures, Statues   
Alloys, Jewellery, Sculptures, Statues   

Biological Properties
  
  

Toxicity
Non Toxic   
Non Toxic   

Present in Human Body
Yes   
Yes   

In Blood
0.05 Blood/mg dm-3   
16
0.39 Blood/mg dm-3   
9

In Bone
Not Available   
27.00 p.p.m.   
11

Physical Properties

Melting Point
1,660.00 °C   
18
660.37 °C   
99+

Boiling Point
3,287.00 °C   
22
2,467.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery Gray-White   
Silvery Gray   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
6.00   
6
2.75   
13

Brinell Hardness
716.00 MPa   
15
160.00 MPa   
99+

Vickers Hardness
830.00 MPa   
14
160.00 MPa   
35

Speed of Sound
5,090.00 m/s   
9
5,000.00 m/s   
10

Optical Properties
  
  

Reflectivity
Not Available   
71.00 %   
10

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

Chemical Properties

Chemical Formula
Ti   
Al   

Isotopes
  
  

Known Isotopes
23   
16
11   
27

Electronegativity
  
  

Pauling Electronegativity
1.54   
26
1.61   
22

Sanderson Electronegativity
1.09   
20
1.71   
13

Allred Rochow Electronegativity
1.32   
23
1.47   
14

Mulliken-Jaffe Electronegativity
Not Available   
1.83   
8

Allen Electronegativity
1.38   
32
1.61   
20

Electropositivity
  
  

Pauling Electropositivity
2.46   
28
2.39   
32

Ionization Energies
  
  

1st Energy Level
658.80 kJ/mol   
39
577.50 kJ/mol   
99+

2nd Energy Level
1,309.80 kJ/mol   
99+
1,816.70 kJ/mol   
19

3rd Energy Level
2,652.50 kJ/mol   
99+
2,744.80 kJ/mol   
38

4th Energy Level
4,174.60 kJ/mol   
32
11,577.00 kJ/mol   
3

5th Energy Level
9,581.00 kJ/mol   
5
14,842.00 kJ/mol   
2

6th Energy Level
11,533.00 kJ/mol   
6
18,379.00 kJ/mol   
2

7th Energy level
13,590.00 kJ/mol   
6
23,326.00 kJ/mol   
2

8th Energy Level
16,440.00 kJ/mol   
8
27,465.00 kJ/mol   
2

9th Energy Level
18,530.00 kJ/mol   
11
31,853.00 kJ/mol   
2

10th Energy Level
20,833.00 kJ/mol   
15
38,473.00 kJ/mol   
4

11th Energy Level
25,575.00 kJ/mol   
14
42,647.00 kJ/mol   
5

12th Energy Level
28,125.00 kJ/mol   
14
Not Available   

13th Energy Level
76,015.00 kJ/mol   
1
Not Available   

14th Energy Level
83,280.00 kJ/mol   
2
Not Available   

15th Energy Level
90,880.00 kJ/mol   
3
Not Available   

16th Energy Level
100,700.00 kJ/mol   
4
Not Available   

17th Energy Level
109,100.00 kJ/mol   
5
Not Available   

18th Energy Level
117,800.00 kJ/mol   
6
Not Available   

19th Energy Level
129,900.00 kJ/mol   
7
Not Available   

20th Energy Level
137,530.00 kJ/mol   
9
Not Available   

Electrochemical Equivalent
0.45 g/amp-hr   
99+
0.34 g/amp-hr   
99+

Electron Work Function
4.33 eV   
17
4.28 eV   
19

Other Chemical Properties
Chemical Stability, Ionization   
Chemical Stability, Ionization, Radioactive Isotopes   

Atomic Properties

Atomic Number
22   
99+
13   
99+

Electron Configuration
[Ar] 3d2 4s2   
[Ne] 3s2 3p1   

Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Titanium.jpg#100   
FCC-Crystal-Structure-of-Aluminium.jpg#100   

Atom
  
  

Number of Protons
22   
99+
13   
99+

Number of Neutrons
26   
99+
14   
99+

Number of Electrons
22   
99+
13   
99+

Radius of an Atom
  
  

Atomic Radius
147.00 pm   
34
143.00 pm   
37

Covalent Radius
160.00 pm   
30
121.00 pm   
99+

Van der Waals Radius
200.00 pm   
28
184.00 pm   
34

Atomic Weight
47.87 amu   
99+
26.98 amu   
99+

Atomic Volume
10.64 cm3/mol   
99+
10.00 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Scandium
  
Magnesium
  

Next Element
Vanadium
  
Potassium
  

Valence Electron Potential
95.20 (-eV)   
10
80.70 (-eV)   
17

Lattice Constant
295.08 pm   
99+
404.95 pm   
22

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
4.51 g/cm3   
99+
2.70 g/cm3   
99+

Density When Liquid (at m.p.)
4.11 g/cm3   
99+
2.38 g/cm3   
99+

Tensile Strength
434.00 MPa   
9
40.00 MPa   
19

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
18

Vapor Pressure at 2000 K
0.98 (Pa)   
14
Not Available   

Elasticity properties
  
  

Shear Modulus
44.00 GPa   
17
26.00 GPa   
29

Bulk Modulus
110.00 GPa   
15
76.00 GPa   
18

Young's Modulus
116.00 GPa   
18
70.00 GPa   
28

Poisson Ratio
0.32   
12
0.35   
9

Other Mechanical Properties
Ductile   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
4.51   
99+
2.72   
99+

Magnetic Ordering
Paramagnetic   
Paramagnetic   

Permeability
Not Available   
0.00 H/m   
4

Susceptibility
Not Available   
0.00   
3

Electrical Properties
  
  

Electrical Property
Poor Conductor   
Conductor   

Resistivity
420.00 nΩ·m   
12
28.20 nΩ·m   
99+

Electrical Conductivity
0.02 106/cm Ω   
99+
0.38 106/cm Ω   
4

Electron Affinity
7.60 kJ/mol   
37
42.50 kJ/mol   
26

Thermal Properties

Specific Heat
0.52 J/(kg K)   
9
0.90 J/(kg K)   
5

Molar Heat Capacity
25.06 J/mol·K   
99+
24.20 J/mol·K   
99+

Thermal Conductivity
21.90 W/m·K   
99+
237.00 W/m·K   
4

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
8.60 µm/(m·K)   
99+
23.10 µm/(m·K)   
17

Enthalpy
  
  

Enthalpy of Vaporization
429.00 kJ/mol   
15
293.70 kJ/mol   
31

Enthalpy of Fusion
15.48 kJ/mol   
19
10.67 kJ/mol   
35

Enthalpy of Atomization
468.60 kJ/mol   
15
322.20 kJ/mol   
31

Standard Molar Entropy
27.30 J/mol.K   
99+
28.30 J/mol.K   
99+

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