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Titanium Scandium Comparison

Titanium
Scandium
Scandium Titanium comparison


Periodic Table
Symbol
Ti   
Sc   
Group Number
4   
14
3   
15
Period Number
4   
4   
Block
d block   
d block   
Element Family
Transition Metal   
Transition Metal   
CAS Number
7440326   
99+
7440202   
99+
Space Group Name
P63/mmc   
P63/mmc   
Space Group Number
194.00   
5
194.00   
5
Facts
Interesting Facts
  • The only metal which burns in Nitrogen is Titanium.
  • Titanium is also known as corrosion resistant metal.
  
  • Scandium is known as one of the rare earth elements.
  • Scandium metal found in rare minerals called Wolframite .
  
Sources
Found in Minerals, Mining   
Found in Minerals, Mining, Ores of metals, Ores of Minerals   
History
  
  
Who Discovered
W. Gregor & J. Berzelius   
Lars Fredrik Nilson   
Discovery
In 1791   
In 1879   
Abundance
  
  
Abundance In Universe
3 * 10-4 %   
9
3 * 10-6 %   
15
Abundance In Sun
~0.0004 %   
9
~0.000004 %   
16
Abundance In Meteorites
0.05 %   
11
0.00 %   
18
Abundance In Earth's Crust
0.66 %   
7
0.00 %   
23
Abundance In Oceans
0.00 %   
15
0.00 %   
32
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.
  
  • Uses of Scandium are limited to research purpose only. However, it has very low density and higher melting point.
  • Its compounds like scandium iodide is used in mercury vapor lamps to produce very bright white light.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Electrical Industry, Electronic Industry   
Medical Uses
Dentistry, Surgical Instruments Manufacturing   
NA   
Other Uses
Alloys, Jewellery, Sculptures, Statues   
Alloys   
Biological Properties
  
  
Toxicity
Non Toxic   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.05 Blood/mg dm-3   
16
0.01 Blood/mg dm-3   
22
In Bone
Not Available   
0.00 p.p.m.   
34
Physical Properties
Melting Point
1,660.00 °C   
18
1,539.00 °C   
24
Boiling Point
3,287.00 °C   
22
2,832.00 °C   
35
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery Gray-White   
Silvery White   
Luster
Metallic   
Lustrous   
Hardness
  
  
Mohs Hardness
6.00   
6
Not Available   
Brinell Hardness
716.00 MPa   
15
750.00 MPa   
12
Vickers Hardness
830.00 MPa   
14
Not Available   
Speed of Sound
5,090.00 m/s   
9
Not Available   
Optical Properties
  
  
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   
Sc   
Isotopes
  
  
Known Isotopes
23   
16
13   
26
Electronegativity
  
  
Pauling Electronegativity
1.54   
26
1.36   
29
Sanderson Electronegativity
1.09   
20
1.02   
21
Allred Rochow Electronegativity
1.32   
23
1.20   
27
Allen Electronegativity
1.38   
32
1.19   
36
Electropositivity
  
  
Pauling Electropositivity
2.46   
28
2.64   
25
Ionization Energies
  
  
1st Energy Level
658.80 kJ/mol   
39
633.10 kJ/mol   
99+
2nd Energy Level
1,309.80 kJ/mol   
99+
1,235.00 kJ/mol   
99+
3rd Energy Level
2,652.50 kJ/mol   
99+
2,388.60 kJ/mol   
99+
4th Energy Level
4,174.60 kJ/mol   
32
7,090.60 kJ/mol   
6
5th Energy Level
9,581.00 kJ/mol   
5
8,843.00 kJ/mol   
6
6th Energy Level
11,533.00 kJ/mol   
6
10,679.00 kJ/mol   
7
7th Energy level
13,590.00 kJ/mol   
6
13,310.00 kJ/mol   
8
8th Energy Level
16,440.00 kJ/mol   
8
15,250.00 kJ/mol   
11
9th Energy Level
18,530.00 kJ/mol   
11
17,370.00 kJ/mol   
14
10th Energy Level
20,833.00 kJ/mol   
15
21,726.00 kJ/mol   
13
11th Energy Level
25,575.00 kJ/mol   
14
24,102.00 kJ/mol   
16
12th Energy Level
28,125.00 kJ/mol   
14
66,320.00 kJ/mol   
2
13th Energy Level
76,015.00 kJ/mol   
1
73,010.00 kJ/mol   
2
14th Energy Level
83,280.00 kJ/mol   
2
80,160.00 kJ/mol   
3
15th Energy Level
90,880.00 kJ/mol   
3
89,490.00 kJ/mol   
4
16th Energy Level
100,700.00 kJ/mol   
4
97,400.00 kJ/mol   
5
17th Energy Level
109,100.00 kJ/mol   
5
105,600.00 kJ/mol   
6
18th Energy Level
117,800.00 kJ/mol   
6
117,000.00 kJ/mol   
7
19th Energy Level
129,900.00 kJ/mol   
7
124,270.00 kJ/mol   
8
20th Energy Level
137,530.00 kJ/mol   
9
Not Available   
Electrochemical Equivalent
0.45 g/amp-hr   
99+
0.56 g/amp-hr   
99+
Electron Work Function
4.33 eV   
17
3.50 eV   
31
Other Chemical Properties
Chemical Stability, Ionization   
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
22   
99+
21   
99+
Electron Configuration
[Ar] 3d2 4s2   
[Ar] 3d1 4s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Titanium.jpg#100   
HCP-Crystal-Structure-of-Scandium.jpg#100   
Atom
  
  
Number of Protons
22   
99+
21   
99+
Number of Neutrons
26   
99+
24   
99+
Number of Electrons
22   
99+
21   
99+
Radius of an Atom
  
  
Atomic Radius
147.00 pm   
34
162.00 pm   
26
Covalent Radius
160.00 pm   
30
170.00 pm   
25
Van der Waals Radius
200.00 pm   
28
211.00 pm   
25
Atomic Weight
47.87 amu   
99+
44.96 amu   
99+
Atomic Volume
10.64 cm3/mol   
99+
15.00 cm3/mol   
34
Adjacent Atomic Numbers
  
  
Previous Element
Scandium
  
Calcium
  
Next Element
Vanadium
  
Titanium
  
Valence Electron Potential
95.20 (-eV)   
10
58.00 (-eV)   
24
Lattice Constant
295.08 pm   
99+
330.90 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.59   
7
Mechanical Properties
Density
  
  
Density At Room Temperature
4.51 g/cm3   
99+
2.99 g/cm3   
99+
Density When Liquid (at m.p.)
4.11 g/cm3   
99+
2.80 g/cm3   
99+
Tensile Strength
434.00 MPa   
9
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
22
Vapor Pressure at 2000 K
0.98 (Pa)   
14
91.30 (Pa)   
3
Elasticity properties
  
  
Shear Modulus
44.00 GPa   
17
29.10 GPa   
24
Bulk Modulus
110.00 GPa   
15
56.60 GPa   
21
Young's Modulus
116.00 GPa   
18
74.40 GPa   
26
Poisson Ratio
0.32   
12
0.28   
18
Other Mechanical Properties
Ductile   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
4.51   
99+
2.99   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Poor Conductor   
Conductor   
Resistivity
420.00 nΩ·m   
12
562.00 nΩ·m   
10
Electrical Conductivity
0.02 106/cm Ω   
99+
0.02 106/cm Ω   
99+
Electron Affinity
7.60 kJ/mol   
37
18.10 kJ/mol   
33
Thermal Properties
Specific Heat
0.52 J/(kg K)   
9
0.60 J/(kg K)   
8
Molar Heat Capacity
25.06 J/mol·K   
99+
25.52 J/mol·K   
37
Thermal Conductivity
21.90 W/m·K   
99+
15.80 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
8.60 µm/(m·K)   
99+
10.20 µm/(m·K)   
39
Enthalpy
  
  
Enthalpy of Vaporization
429.00 kJ/mol   
15
314.20 kJ/mol   
28
Enthalpy of Fusion
15.48 kJ/mol   
19
14.10 kJ/mol   
25
Enthalpy of Atomization
468.60 kJ/mol   
15
343.00 kJ/mol   
28
Standard Molar Entropy
27.30 J/mol.K   
99+
34.60 J/mol.K   
99+
Summary >>
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