1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
2.5 Block
2.6 Element Family
Lanthanide
Transition Metal
2.7 CAS Number
744010054037579
7429905
54386242
2.8 Space Group Name
2.9 Space Group Number
3 Facts
3.1 Interesting Facts
- Praseodymium metal is synthetically produced metal.
- Praseodymium is used as possible fuel for radioactive generators.
- Hassium metals rate of decay is very high.
- Hassium metals 1st sample was synthesized through a nuclear reaction.
3.2 Sources
Found in Minerals, Mining, Ores of Minerals
Synthetically Produced
3.3 History
3.3.1 Who Discovered
Not Available
Gesellschaft für Schwerionenforschung
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.4 Abundance In Sun
~0.0000001 %~-9999 %
1E-08
0.1
4.2.4 Abundance In Meteorites
4.2.6 Abundance In Earth's Crust
5.2.1 Abundance In Oceans
5.2.2 Abundance In Humans
6 Uses
6.1 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.
- Currently known uses of Hassium metal are limited to research purpose only.
6.1.1 Industrial Uses
6.1.2 Medical Uses
6.1.3 Other Uses
6.2 Biological Properties
6.2.1 Toxicity
6.2.2 Present in Human Body
6.2.3 In Blood
NA0.00 Blood/mg dm-3
0
1970
6.2.5 In Bone
7 Physical
7.1 Melting Point
7.2 Boiling Point
7.3 Appearance
7.3.1 Physical State
7.4.1 Color
7.4.2 Luster
7.5 Hardness
7.5.1 Mohs Hardness
7.5.2 Brinell Hardness
8.2.2 Vickers Hardness
8.3 Speed of Sound
8.5 Optical Properties
8.5.1 Refractive Index
8.5.3 Reflectivity
8.6 Allotropes
8.6.1 α Allotropes
Not Available
Not Available
8.6.2 β Allotropes
Not Available
Not Available
8.6.3 γ Allotropes
Not Available
Not Available
9 Chemical
9.1 Chemical Formula
9.2 Isotopes
9.2.1 Known Isotopes
9.3 Electronegativity
9.3.1 Pauling Electronegativity
9.3.3 Sanderson Electronegativity
9.3.5 Allred Rochow Electronegativity
9.3.6 Mulliken-Jaffe Electronegativity
9.4.2 Allen Electronegativity
9.6 Electropositivity
9.6.1 Pauling Electropositivity
9.7 Ionization Energies
9.7.1 1st Energy Level
527.00 kJ/mol733.30 kJ/mol
375.7
26130
9.7.2 2nd Energy Level
1,020.00 kJ/mol1,756.00 kJ/mol
710.2162
28750
9.7.4 3rd Energy Level
2,086.00 kJ/mol2,827.00 kJ/mol
1600
34230
9.7.6 4th Energy Level
3,761.00 kJ/mol3,637.50 kJ/mol
2780
37066
9.7.8 5th Energy Level
5,551.00 kJ/mol4,940.00 kJ/mol
4305.2
97510
9.7.10 6th Energy Level
NA6,175.10 kJ/mol
5715.8
105800
9.7.12 7th Energy level
NA7,535.50 kJ/mol
7226.8
114300
9.7.14 8th Energy Level
NA8,857.40 kJ/mol
8857.4
125300
9.7.16 9th Energy Level
9.7.18 10th Energy Level
9.7.20 11th Energy Level
9.7.22 12th Energy Level
9.7.23 13th Energy Level
9.7.25 14th Energy Level
9.7.27 15th Energy Level
9.7.29 16th Energy Level
9.7.31 17th Energy Level
9.7.32 18th Energy Level
9.7.34 19th Energy Level
9.7.36 20th Energy Level
9.7.38 21st Energy Level
9.7.39 22nd Energy Level
9.7.41 23rd Energy Level
9.7.43 24th Energy Level
9.7.45 25th Energy Level
9.7.47 26th Energy Level
9.7.49 27th Energy Level
9.7.50 28th Energy Level
9.7.52 29th Energy Level
9.7.54 30th Energy Level
9.8 Electrochemical Equivalent
1.75 g/amp-hrNA
0.16812
8.3209
9.9 Electron Work Function
9.10 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes
Ionization, Radioactive Isotopes, Radioactivity
10 Atomic
10.1 Atomic Number
10.3 Electron Configuration
[Xe] 4f3 6s2
[Rn] 5f14 6d6 7s2
10.4 Crystal Structure
Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)
10.4.1 Crystal Lattice
10.5 Atom
10.5.1 Number of Protons
10.6.1 Number of Neutrons
11.1.1 Number of Electrons
11.2 Radius of an Atom
11.2.1 Atomic Radius
182.00 pm126.00 pm
112
265
11.5.2 Covalent Radius
203.00 pm134.00 pm
96
260
11.5.3 Van der Waals Radius
11.6 Atomic Weight
140.91 amu269.00 amu
6.94
294
11.7 Atomic Volume
20.80 cm3/molNA
1.39
71.07
11.8 Adjacent Atomic Numbers
11.8.1 Previous Element
11.8.2 Next Element
11.9 Valence Electron Potential
11.10 Lattice Constant
367.25 pmNA
228.58
891.25
11.12 Lattice Angles
11.13 Lattice C/A Ratio
12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
6.77 g/cm340.70 g/cm3
0.534
40.7
12.1.3 Density When Liquid (at m.p.)
12.2 Tensile Strength
12.4 Viscosity
12.5 Vapor Pressure
12.5.1 Vapor Pressure at 1000 K
12.6.1 Vapor Pressure at 2000 K
13.20 (Pa)NA
2.62E-10
774
12.9 Elasticity properties
12.9.1 Shear Modulus
12.9.2 Bulk Modulus
12.10.1 Young's Modulus
13.2 Poisson Ratio
13.3 Other Mechanical Properties
Ductile, Malleable
Unknown
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
14.1.2 Magnetic Ordering
14.1.3 Permeability
14.1.4 Susceptibility
14.3 Electrical Properties
14.3.1 Electrical Property
14.3.2 Resistivity
14.5.2 Electrical Conductivity
0.01 106/cm ΩNA
0.00666
0.63
14.5.4 Electron Affinity
15 Thermal
15.1 Specific Heat
15.2 Molar Heat Capacity
27.20 J/mol·KNA
16.443
62.7
15.3 Thermal Conductivity
15.4 Critical Temperature
15.5 Thermal Expansion
15.7 Enthalpy
15.7.1 Enthalpy of Vaporization
296.80 kJ/molNA
7.32
799.1
16.1.2 Enthalpy of Fusion
16.1.5 Enthalpy of Atomization
16.2 Standard Molar Entropy
73.20 J/mol.KNA
9.5
198.1