1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 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
2.4.4 Abundance In Sun
~-9999 %~0.0000001 %
1E-08
0.1
2.4.7 Abundance In Meteorites
2.5.2 Abundance In Earth's Crust
2.6.4 Abundance In Oceans
2.6.7 Abundance In Humans
3 Uses
3.1 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.
3.1.1 Industrial Uses
3.1.2 Medical Uses
3.1.3 Other Uses
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
3.2.6 In Bone
4 Physical
4.1 Melting Point
4.2 Boiling Point
4.3 Appearance
4.3.1 Physical State
4.3.2 Color
4.3.3 Luster
4.4 Hardness
4.4.1 Mohs Hardness
4.4.6 Brinell Hardness
4.4.9 Vickers Hardness
4.5 Speed of Sound
4.6 Optical Properties
4.6.1 Refractive Index
4.6.3 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
5.3.4 Sanderson Electronegativity
5.4.2 Allred Rochow Electronegativity
5.5.2 Mulliken-Jaffe Electronegativity
6.1.2 Allen Electronegativity
6.4 Electropositivity
6.4.1 Pauling Electropositivity
6.6 Ionization Energies
6.6.1 1st Energy Level
733.30 kJ/mol527.00 kJ/mol
375.7
26130
6.6.4 2nd Energy Level
1,756.00 kJ/mol1,020.00 kJ/mol
710.2162
28750
6.6.7 3rd Energy Level
2,827.00 kJ/mol2,086.00 kJ/mol
1600
34230
6.6.10 4th Energy Level
3,637.50 kJ/mol3,761.00 kJ/mol
2780
37066
6.7.2 5th Energy Level
4,940.00 kJ/mol5,551.00 kJ/mol
4305.2
97510
6.7.4 6th Energy Level
6,175.10 kJ/molNA
5715.8
105800
6.7.7 7th Energy level
7,535.50 kJ/molNA
7226.8
114300
6.8.1 8th Energy Level
8,857.40 kJ/molNA
8857.4
125300
6.8.3 9th Energy Level
6.10.1 10th Energy Level
6.12.1 11th Energy Level
6.16.1 12th Energy Level
8.1.1 13th Energy Level
8.5.2 14th Energy Level
8.7.3 15th Energy Level
8.8.2 16th Energy Level
8.9.3 17th Energy Level
8.9.7 18th Energy Level
8.11.1 19th Energy Level
9.2.3 20th Energy Level
9.4.2 21st Energy Level
9.6.2 22nd Energy Level
9.8.1 23rd Energy Level
10.1.3 24th Energy Level
10.1.4 25th Energy Level
11.1.1 26th Energy Level
11.2.1 27th Energy Level
11.4.1 28th Energy Level
11.5.2 29th Energy Level
11.7.2 30th Energy Level
11.8 Electrochemical Equivalent
NA1.75 g/amp-hr
0.16812
8.3209
11.10 Electron Work Function
11.12 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Ionization, Radioactive Isotopes
12 Atomic
12.1 Atomic Number
12.4 Electron Configuration
[Rn] 5f14 6d6 7s2
[Xe] 4f3 6s2
12.5 Crystal Structure
Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)
12.5.1 Crystal Lattice
12.6 Atom
12.6.1 Number of Protons
13.1.3 Number of Neutrons
13.1.7 Number of Electrons
13.2 Radius of an Atom
13.2.1 Atomic Radius
126.00 pm182.00 pm
112
265
13.4.3 Covalent Radius
134.00 pm203.00 pm
96
260
13.4.5 Van der Waals Radius
13.5 Atomic Weight
269.00 amu140.91 amu
6.94
294
13.6 Atomic Volume
NA20.80 cm3/mol
1.39
71.07
14.2 Adjacent Atomic Numbers
14.2.1 Previous Element
14.2.2 Next Element
14.3 Valence Electron Potential
14.5 Lattice Constant
NA367.25 pm
228.58
891.25
14.8 Lattice Angles
14.9 Lattice C/A Ratio
15 Mechanical
15.1 Density
15.1.1 Density At Room Temperature
40.70 g/cm36.77 g/cm3
0.534
40.7
15.2.3 Density When Liquid (at m.p.)
15.3 Tensile Strength
15.5 Viscosity
15.6 Vapor Pressure
15.6.1 Vapor Pressure at 1000 K
15.6.2 Vapor Pressure at 2000 K
NA13.20 (Pa)
2.62E-10
774
15.7 Elasticity properties
15.7.1 Shear Modulus
15.7.2 Bulk Modulus
15.7.3 Young's Modulus
15.8 Poisson Ratio
15.9 Other Mechanical Properties
Unknown
Ductile, Malleable
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
16.1.2 Magnetic Ordering
16.1.3 Permeability
16.1.4 Susceptibility
16.2 Electrical Properties
16.2.1 Electrical Property
16.2.2 Resistivity
16.2.3 Electrical Conductivity
NA0.01 106/cm Ω
0.00666
0.63
16.2.4 Electron Affinity
17 Thermal
17.1 Specific Heat
17.2 Molar Heat Capacity
NA27.20 J/mol·K
16.443
62.7
17.3 Thermal Conductivity
17.4 Critical Temperature
17.5 Thermal Expansion
17.6 Enthalpy
17.6.1 Enthalpy of Vaporization
NA296.80 kJ/mol
7.32
799.1
17.6.2 Enthalpy of Fusion
17.6.3 Enthalpy of Atomization
17.7 Standard Molar Entropy
NA73.20 J/mol.K
9.5
198.1