1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Lanthanide
Transition Metal
1.6 CAS Number
74401007440666
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- Praseodymium metal is synthetically produced metal.
- Praseodymium is used as possible fuel for radioactive generators.
- 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.
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Earth's crust, Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Not Available
Indian metallurgists
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2 * 10-7 %3 * 10-5 %
5E-09
0.11
2.4.2 Abundance In Sun
~0.0000001 %~0.0002 %
1E-08
0.1
2.4.3 Abundance In Meteorites
2.4.4 Abundance In Earth's Crust
2.4.5 Abundance In Oceans
2.4.6 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- 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.
- It is mainly used for Galvanizing other metals.
- It is also used for manufacturing die-casting and it is very essential for automobile industry.
3.1.1 Industrial Uses
Chemical Industry
Electrical Industry, Electronic Industry
3.1.2 Medical Uses
NA
Pharmaceutical Industry
3.1.3 Other Uses
3.2 Biological Properties
3.2.1 Toxicity
Moderately Toxic
Highly Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
NA7.00 Blood/mg dm-3
0
1970
3.2.4 In Bone
4 Physical
4.1 Melting Point
935.00 °C419.58 °C
27
3410
4.2 Boiling Point
3,130.00 °C907.00 °C
147
5660
4.3 Appearance
4.3.1 Physical State
4.3.2 Color
Grayish White
Silvery Gray
4.3.3 Luster
4.4 Hardness
4.4.1 Mohs Hardness
4.4.2 Brinell Hardness
481.00 MPa327.00 MPa
0.14
3490
4.4.3 Vickers Hardness
4.5 Speed of Sound
2,280.00 m/s3,850.00 m/s
818
16200
4.6 Optical Properties
4.6.1 Refractive Index
4.6.2 Reflectivity
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
5.2 Isotopes
5.2.1 Known Isotopes
5.3 Electronegativity
5.3.1 Pauling Electronegativity
5.3.2 Sanderson Electronegativity
5.3.3 Allred Rochow Electronegativity
5.3.4 Mulliken-Jaffe Electronegativity
5.3.5 Allen Electronegativity
5.4 Electropositivity
5.4.1 Pauling Electropositivity
5.5 Ionization Energies
5.5.1 1st Energy Level
527.00 kJ/mol906.40 kJ/mol
375.7
26130
5.5.2 2nd Energy Level
1,020.00 kJ/mol1,733.30 kJ/mol
710.2162
28750
5.5.3 3rd Energy Level
2,086.00 kJ/mol3,833.00 kJ/mol
1600
34230
5.5.4 4th Energy Level
3,761.00 kJ/mol5,731.00 kJ/mol
2780
37066
5.5.5 5th Energy Level
5,551.00 kJ/mol7,970.00 kJ/mol
4305.2
97510
5.5.6 6th Energy Level
NA10,400.00 kJ/mol
5715.8
105800
5.5.7 7th Energy level
NA12,900.00 kJ/mol
7226.8
114300
5.5.8 8th Energy Level
NA16,800.00 kJ/mol
8857.4
125300
5.5.9 9th Energy Level
NA19,600.00 kJ/mol
14110
134700
1.2.1 10th Energy Level
NA23,000.00 kJ/mol
17100
144300
1.6.1 11th Energy Level
NA26,400.00 kJ/mol
19900
169988
1.8.1 12th Energy Level
NA29,990.00 kJ/mol
22219
189368
2.4.3 13th Energy Level
NA40,490.00 kJ/mol
26930
76015
2.4.5 14th Energy Level
NA43,800.00 kJ/mol
29196
86450
2.4.7 15th Energy Level
NA47,300.00 kJ/mol
41987
97510
2.4.9 16th Energy Level
NA52,300.00 kJ/mol
47206
109480
2.4.11 17th Energy Level
NA55,900.00 kJ/mol
52737
122200
3.2.4 18th Energy Level
NA59,700.00 kJ/mol
58570
134810
3.2.6 19th Energy Level
NA67,300.00 kJ/mol
64702
148700
3.2.7 20th Energy Level
NA171,200.00 kJ/mol
80400
171200
4.1.1 21st Energy Level
NA179,100.00 kJ/mol
87000
179100
4.1.2 22nd Energy Level
4.2.1 23rd Energy Level
4.2.2 24th Energy Level
4.4.0 25th Energy Level
4.4.2 26th Energy Level
4.4.4 27th Energy Level
4.4.5 28th Energy Level
4.4.7 29th Energy Level
4.4.8 30th Energy Level
4.6 Electrochemical Equivalent
1.75 g/amp-hr1.22 g/amp-hr
0.16812
8.3209
4.8 Electron Work Function
4.9 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes
5 Atomic
5.1 Atomic Number
6.3 Electron Configuration
[Xe] 4f3 6s2
[Ar] 3d10 4s2
6.4 Crystal Structure
Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)
6.4.1 Crystal Lattice
6.5 Atom
6.5.1 Number of Protons
6.6.2 Number of Neutrons
6.6.4 Number of Electrons
6.7 Radius of an Atom
6.7.1 Atomic Radius
182.00 pm134.00 pm
112
265
6.7.2 Covalent Radius
203.00 pm122.00 pm
96
260
6.7.4 Van der Waals Radius
239.00 pm139.00 pm
139
348
6.9 Atomic Weight
140.91 amu65.38 amu
6.94
294
6.11 Atomic Volume
20.80 cm3/mol9.20 cm3/mol
1.39
71.07
6.12 Adjacent Atomic Numbers
6.12.1 Previous Element
6.12.2 Next Element
6.13 Valence Electron Potential
42.64 (-eV)38.90 (-eV)
8
392.42
6.14 Lattice Constant
367.25 pm266.49 pm
228.58
891.25
6.15 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
6.16 Lattice C/A Ratio
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
6.77 g/cm37.14 g/cm3
0.534
40.7
7.1.3 Density When Liquid (at m.p.)
6.50 g/cm36.57 g/cm3
0.512
20
7.2 Tensile Strength
7.3 Viscosity
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
7.4.3 Vapor Pressure at 2000 K
13.20 (Pa)NA
2.62E-10
774
7.5 Elasticity properties
7.5.1 Shear Modulus
14.80 GPa43.00 GPa
1.3
222
7.5.3 Bulk Modulus
28.80 GPa70.00 GPa
1.6
462
7.5.5 Young's Modulus
37.30 GPa108.00 GPa
1.7
528
7.6 Poisson Ratio
7.7 Other Mechanical Properties
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
8.1.3 Magnetic Ordering
8.1.4 Permeability
8.1.5 Susceptibility
8.2 Electrical Properties
8.2.1 Electrical Property
8.2.2 Resistivity
0.70 nΩ·m59.00 nΩ·m
0.18
961
8.2.5 Electrical Conductivity
0.01 106/cm Ω0.17 106/cm Ω
0.00666
0.63
8.2.7 Electron Affinity
50.00 kJ/mol0.00 kJ/mol
0
222.8
9 Thermal
9.1 Specific Heat
0.19 J/(kg K)0.39 J/(kg K)
0.11
3.6
9.2 Molar Heat Capacity
27.20 J/mol·K25.47 J/mol·K
16.443
62.7
9.3 Thermal Conductivity
12.50 W/m·K116.00 W/m·K
6.3
429
9.4 Critical Temperature
9.5 Thermal Expansion
6.70 µm/(m·K)30.20 µm/(m·K)
4.5
97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
296.80 kJ/mol7.32 kJ/mol
7.32
799.1
9.7.1 Enthalpy of Fusion
6.89 kJ/mol7.32 kJ/mol
2.1
35.23
9.8.1 Enthalpy of Atomization
368.00 kJ/mol129.70 kJ/mol
61.5
837
10.2 Standard Molar Entropy
73.20 J/mol.K41.60 J/mol.K
9.5
198.1