1 Periodic Table
1.1 Symbol
1.2 Group Number
1.4 Period Number
1.5 Block
1.6 Element Family
Transition Metal
Lanthanide
1.7 CAS Number
540375797440100
7429905
54386242
1.8 Space Group Name
1.9 Space Group Number
2 Facts
2.1 Interesting Facts
- Hassium metals rate of decay is very high.
- Hassium metals 1st sample was synthesized through a nuclear reaction.
- Praseodymium metal is synthetically produced metal.
- Praseodymium is used as possible fuel for radioactive generators.
2.2 Sources
Synthetically Produced
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Gesellschaft für Schwerionenforschung
Not Available
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
3.1.1 Abundance In Sun
~-9999 %~0.0000001 %
1E-08
0.1
3.2.1 Abundance In Meteorites
3.3.1 Abundance In Earth's Crust
3.4.1 Abundance In Oceans
3.5.1 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Currently known uses of Hassium metal are limited to research purpose only.
- 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.
4.1.1 Industrial Uses
4.1.2 Medical Uses
4.1.3 Other Uses
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
4.3.2 In Bone
5 Physical
5.1 Melting Point
5.2 Boiling Point
5.4 Appearance
5.4.1 Physical State
5.4.2 Color
5.4.3 Luster
5.5 Hardness
5.5.1 Mohs Hardness
5.5.2 Brinell Hardness
5.5.3 Vickers Hardness
5.6 Speed of Sound
5.7 Optical Properties
5.7.1 Refractive Index
5.7.2 Reflectivity
5.8 Allotropes
5.8.1 α Allotropes
Not Available
Not Available
5.8.2 β Allotropes
Not Available
Not Available
5.8.3 γ Allotropes
Not Available
Not Available
6 Chemical
6.1 Chemical Formula
6.2 Isotopes
6.2.1 Known Isotopes
6.3 Electronegativity
6.3.1 Pauling Electronegativity
6.3.2 Sanderson Electronegativity
6.3.3 Allred Rochow Electronegativity
6.3.4 Mulliken-Jaffe Electronegativity
6.3.5 Allen Electronegativity
6.4 Electropositivity
6.4.1 Pauling Electropositivity
6.5 Ionization Energies
6.5.1 1st Energy Level
733.30 kJ/mol527.00 kJ/mol
375.7
26130
6.5.2 2nd Energy Level
1,756.00 kJ/mol1,020.00 kJ/mol
710.2162
28750
6.5.3 3rd Energy Level
2,827.00 kJ/mol2,086.00 kJ/mol
1600
34230
6.5.4 4th Energy Level
3,637.50 kJ/mol3,761.00 kJ/mol
2780
37066
6.5.5 5th Energy Level
4,940.00 kJ/mol5,551.00 kJ/mol
4305.2
97510
6.5.6 6th Energy Level
6,175.10 kJ/molNA
5715.8
105800
6.5.7 7th Energy level
7,535.50 kJ/molNA
7226.8
114300
6.5.8 8th Energy Level
8,857.40 kJ/molNA
8857.4
125300
6.5.9 9th Energy Level
6.5.10 10th Energy Level
6.5.11 11th Energy Level
6.5.12 12th Energy Level
6.5.13 13th Energy Level
6.5.14 14th Energy Level
6.5.15 15th Energy Level
6.5.16 16th Energy Level
6.5.17 17th Energy Level
6.5.18 18th Energy Level
6.5.19 19th Energy Level
6.5.20 20th Energy Level
6.5.21 21st Energy Level
6.5.22 22nd Energy Level
6.5.23 23rd Energy Level
6.5.24 24th Energy Level
6.5.25 25th Energy Level
6.5.26 26th Energy Level
6.5.27 27th Energy Level
6.5.28 28th Energy Level
6.5.29 29th Energy Level
6.5.30 30th Energy Level
6.6 Electrochemical Equivalent
NA1.75 g/amp-hr
0.16812
8.3209
6.7 Electron Work Function
6.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Ionization, Radioactive Isotopes
7 Atomic
7.1 Atomic Number
7.2 Electron Configuration
[Rn] 5f14 6d6 7s2
[Xe] 4f3 6s2
7.3 Crystal Structure
Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)
7.3.1 Crystal Lattice
7.4 Atom
7.4.1 Number of Protons
7.4.2 Number of Neutrons
7.4.3 Number of Electrons
7.5 Radius of an Atom
7.5.1 Atomic Radius
126.00 pm182.00 pm
112
265
7.5.2 Covalent Radius
134.00 pm203.00 pm
96
260
7.5.3 Van der Waals Radius
7.6 Atomic Weight
269.00 amu140.91 amu
6.94
294
7.7 Atomic Volume
NA20.80 cm3/mol
1.39
71.07
7.8 Adjacent Atomic Numbers
7.8.1 Previous Element
7.8.2 Next Element
7.9 Valence Electron Potential
7.10 Lattice Constant
NA367.25 pm
228.58
891.25
7.11 Lattice Angles
7.12 Lattice C/A Ratio
8 Mechanical
8.1 Density
8.1.1 Density At Room Temperature
40.70 g/cm36.77 g/cm3
0.534
40.7
8.1.2 Density When Liquid (at m.p.)
8.2 Tensile Strength
8.3 Viscosity
8.4 Vapor Pressure
8.4.1 Vapor Pressure at 1000 K
8.4.2 Vapor Pressure at 2000 K
NA13.20 (Pa)
2.62E-10
774
8.5 Elasticity properties
8.5.1 Shear Modulus
8.5.2 Bulk Modulus
8.5.3 Young's Modulus
8.6 Poisson Ratio
8.7 Other Mechanical Properties
Unknown
Ductile, Malleable
9 Magnetic
9.1 Magnetic Characteristics
9.1.1 Specific Gravity
9.1.2 Magnetic Ordering
9.1.3 Permeability
9.1.4 Susceptibility
9.2 Electrical Properties
9.2.1 Electrical Property
9.2.2 Resistivity
9.2.3 Electrical Conductivity
NA0.01 106/cm Ω
0.00666
0.63
9.2.4 Electron Affinity
10 Thermal
10.1 Specific Heat
10.2 Molar Heat Capacity
NA27.20 J/mol·K
16.443
62.7
10.3 Thermal Conductivity
10.4 Critical Temperature
10.5 Thermal Expansion
10.6 Enthalpy
10.6.1 Enthalpy of Vaporization
NA296.80 kJ/mol
7.32
799.1
10.6.2 Enthalpy of Fusion
10.6.3 Enthalpy of Atomization
10.7 Standard Molar Entropy
NA73.20 J/mol.K
9.5
198.1