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Titanium Praseodymium Comparison

Titanium
Praseodymium
Praseodymium Titanium comparison


Periodic Table
Symbol
Ti   
Pr   
Group Number
4   
14
Not Available   
Period Number
4   
6   
Block
d block   
f block   
Element Family
Transition Metal   
Lanthanide   
CAS Number
7440326   
99+
7440100   
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.
  
  • Praseodymium metal is synthetically produced metal.
  • Praseodymium is used as possible fuel for radioactive generators.
  
Sources
Found in Minerals, Mining   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
W. Gregor & J. Berzelius   
Not Available   
Discovery
In 1791   
In 1885   
Abundance
  
  
Abundance In Universe
3 * 10-4 %   
9
2 * 10-7 %   
22
Abundance In Sun
~0.0004 %   
9
~0.0000001 %   
26
Abundance In Meteorites
0.05 %   
11
0.00 %   
40
Abundance In Earth's Crust
0.66 %   
7
0.00 %   
27
Abundance In Oceans
0.00 %   
15
0.00 %   
39
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.
  
  • The main use of Praseodymium include alloys. Praseodymium –Magnesium alloy is used in aircraft engines due to its high strength.
  • This metal is also used while making a permanent magnets.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Chemical Industry   
Medical Uses
Dentistry, Surgical Instruments Manufacturing   
NA   
Other Uses
Alloys, Jewellery, Sculptures, Statues   
Alloys   
Biological Properties
  
  
Toxicity
Non Toxic   
Moderately Toxic   
Present in Human Body
Yes   
No   
In Blood
0.05 Blood/mg dm-3   
16
Not Available   
Physical Properties
Melting Point
1,660.00 °C   
18
935.00 °C   
99+
Boiling Point
3,287.00 °C   
22
3,130.00 °C   
27
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery Gray-White   
Grayish White   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
6.00   
6
Not Available   
Brinell Hardness
716.00 MPa   
15
481.00 MPa   
24
Vickers Hardness
830.00 MPa   
14
400.00 MPa   
25
Speed of Sound
5,090.00 m/s   
9
2,280.00 m/s   
40
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   
Pr   
Isotopes
  
  
Known Isotopes
23   
16
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.54   
26
1.13   
99+
Sanderson Electronegativity
1.09   
20
Not Available   
Allred Rochow Electronegativity
1.32   
23
1.07   
32
Allen Electronegativity
1.38   
32
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.46   
28
2.87   
12
Ionization Energies
  
  
1st Energy Level
658.80 kJ/mol   
39
527.00 kJ/mol   
99+
2nd Energy Level
1,309.80 kJ/mol   
99+
1,020.00 kJ/mol   
99+
3rd Energy Level
2,652.50 kJ/mol   
99+
2,086.00 kJ/mol   
99+
4th Energy Level
4,174.60 kJ/mol   
32
3,761.00 kJ/mol   
99+
5th Energy Level
9,581.00 kJ/mol   
5
5,551.00 kJ/mol   
29
6th Energy Level
11,533.00 kJ/mol   
6
Not Available   
7th Energy level
13,590.00 kJ/mol   
6
Not Available   
8th Energy Level
16,440.00 kJ/mol   
8
Not Available   
9th Energy Level
18,530.00 kJ/mol   
11
Not Available   
10th Energy Level
20,833.00 kJ/mol   
15
Not Available   
11th Energy Level
25,575.00 kJ/mol   
14
Not Available   
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+
1.75 g/amp-hr   
40
Electron Work Function
4.33 eV   
17
2.70 eV   
99+
Other Chemical Properties
Chemical Stability, Ionization   
Anti Corrosion, Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
22   
99+
59   
99+
Electron Configuration
[Ar] 3d2 4s2   
[Xe] 4f3 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Titanium.jpg#100   
HCP-Crystal-Structure-of-Praseodymium.jpg#100   
Atom
  
  
Number of Protons
22   
99+
59   
99+
Number of Neutrons
26   
99+
82   
99+
Number of Electrons
22   
99+
59   
99+
Radius of an Atom
  
  
Atomic Radius
147.00 pm   
34
182.00 pm   
11
Covalent Radius
160.00 pm   
30
203.00 pm   
9
Van der Waals Radius
200.00 pm   
28
239.00 pm   
14
Atomic Weight
47.87 amu   
99+
140.91 amu   
99+
Atomic Volume
10.64 cm3/mol   
99+
20.80 cm3/mol   
15
Adjacent Atomic Numbers
  
  
Previous Element
Scandium
  
Cerium
  
Next Element
Vanadium
  
Neodymium
  
Valence Electron Potential
95.20 (-eV)   
10
42.64 (-eV)   
99+
Lattice Constant
295.08 pm   
99+
367.25 pm   
29
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.61   
4
Mechanical Properties
Density
  
  
Density At Room Temperature
4.51 g/cm3   
99+
6.77 g/cm3   
99+
Density When Liquid (at m.p.)
4.11 g/cm3   
99+
6.50 g/cm3   
39
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)   
25
Vapor Pressure at 2000 K
0.98 (Pa)   
14
13.20 (Pa)   
7
Elasticity properties
  
  
Shear Modulus
44.00 GPa   
17
14.80 GPa   
39
Bulk Modulus
110.00 GPa   
15
28.80 GPa   
40
Young's Modulus
116.00 GPa   
18
37.30 GPa   
99+
Poisson Ratio
0.32   
12
0.28   
16
Other Mechanical Properties
Ductile   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
4.51   
99+
6.77   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Poor Conductor   
Conductor   
Resistivity
420.00 nΩ·m   
12
0.70 nΩ·m   
99+
Electrical Conductivity
0.02 106/cm Ω   
99+
0.01 106/cm Ω   
99+
Electron Affinity
7.60 kJ/mol   
37
50.00 kJ/mol   
21
Thermal Properties
Specific Heat
0.52 J/(kg K)   
9
0.19 J/(kg K)   
32
Molar Heat Capacity
25.06 J/mol·K   
99+
27.20 J/mol·K   
18
Thermal Conductivity
21.90 W/m·K   
99+
12.50 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
8.60 µm/(m·K)   
99+
6.70 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
429.00 kJ/mol   
15
296.80 kJ/mol   
29
Enthalpy of Fusion
15.48 kJ/mol   
19
6.89 kJ/mol   
99+
Enthalpy of Atomization
468.60 kJ/mol   
15
368.00 kJ/mol   
24
Standard Molar Entropy
27.30 J/mol.K   
99+
73.20 J/mol.K   
10
Summary >>
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