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Hassium
Hassium

Praseodymium
Praseodymium



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Hassium
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Hassium vs Praseodymium

1 Periodic Table
1.1 Symbol
Hs
Pr
1.2 Group Number
8NA
Gadolinium
0 17
1.3 Period Number
76
Lithium
2 7
1.5 Block
d block
f block
1.6 Element Family
Transition Metal
Lanthanide
1.7 CAS Number
540375797440100
Aluminium
7429905 54386242
1.8 Space Group Name
Not Available
P63/mmc
1.9 Space Group Number
NA194.00
Plutonium
11 229
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
In 1984
In 1885
2.4 Abundance
2.4.1 Abundance In Universe
NA2 * 10-7 %
Thallium
5E-09 0.11
2.4.4 Abundance In Sun
~-9999 %~0.0000001 %
Beryllium
1E-08 0.1
2.4.7 Abundance In Meteorites
NA0.00 %
Gold
1.7E-07 22
2.5.2 Abundance In Earth's Crust
NA0.00 %
Radium
9.9E-12 8.1
2.6.4 Abundance In Oceans
NA0.00 %
Protactinium
2E-23 1.1
2.6.7 Abundance In Humans
NANA
Radium
1E-13 1.4
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
NA
Chemical Industry
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
Research Purposes
Alloys
3.2 Biological Properties
3.2.1 Toxicity
Unknown
Moderately Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-3NA
Plutonium
0 1970
3.2.6 In Bone
0.00 p.p.m.NA
Plutonium
0 170000
4 Physical
4.1 Melting Point
NA935.00 °C
Francium
27 3410
4.2 Boiling Point
NA3,130.00 °C
Flerovium
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silver
Grayish White
4.3.3 Luster
NA
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
NANA
Cesium
0.2 8.5
4.4.6 Brinell Hardness
NA481.00 MPa
Cesium
0.14 3490
4.4.9 Vickers Hardness
NA400.00 MPa
Palladium
121 3430
4.5 Speed of Sound
NA2,280.00 m/s
Thallium
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury
1.000933 1.7229
4.6.3 Reflectivity
NANA
Molybdenum
58 97
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
Hs
Pr
5.2 Isotopes
5.2.1 Known Isotopes
731
Tennessine
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
NA1.13
Francium
0.7 2.54
5.3.4 Sanderson Electronegativity
NANA
Cesium
0.22 2.56
5.4.2 Allred Rochow Electronegativity
NA1.07
Cesium
0.86 1.82
5.5.2 Mulliken-Jaffe Electronegativity
NANA
Cesium
0.62 2.48
6.1.2 Allen Electronegativity
NANA
Cesium
0.659 2.7
6.4 Electropositivity
6.4.1 Pauling Electropositivity
NA2.87
Gold
1.46 3.3
6.6 Ionization Energies
6.6.1 1st Energy Level
733.30 kJ/mol527.00 kJ/mol
Cesium
375.7 26130
6.6.4 2nd Energy Level
1,756.00 kJ/mol1,020.00 kJ/mol
Ruthenium
710.2162 28750
6.6.7 3rd Energy Level
2,827.00 kJ/mol2,086.00 kJ/mol
Osmium
1600 34230
6.6.10 4th Energy Level
3,637.50 kJ/mol3,761.00 kJ/mol
Thorium
2780 37066
6.7.2 5th Energy Level
4,940.00 kJ/mol5,551.00 kJ/mol
Dubnium
4305.2 97510
6.7.4 6th Energy Level
6,175.10 kJ/molNA
Seaborgium
5715.8 105800
6.7.7 7th Energy level
7,535.50 kJ/molNA
Bohrium
7226.8 114300
6.8.1 8th Energy Level
8,857.40 kJ/molNA
Sodium
8857.4 125300
6.8.3 9th Energy Level
NANA
Yttrium
14110 134700
6.10.1 10th Energy Level
NANA
Strontium
17100 144300
6.12.1 11th Energy Level
NANA
Yttrium
19900 169988
6.16.1 12th Energy Level
NANA
Molybdenum
22219 189368
8.1.1 13th Energy Level
NANA
Molybdenum
26930 76015
8.5.2 14th Energy Level
NANA
Molybdenum
29196 86450
8.7.3 15th Energy Level
NANA
Manganese
41987 97510
8.8.2 16th Energy Level
NANA
Iron
47206 109480
8.9.3 17th Energy Level
NANA
Cobalt
52737 122200
8.9.7 18th Energy Level
NANA
Nickel
58570 134810
8.11.1 19th Energy Level
NANA
Copper
64702 148700
9.2.3 20th Energy Level
NANA
Molybdenum
80400 171200
9.4.2 21st Energy Level
NANA
Molybdenum
87000 179100
9.6.2 22nd Energy Level
NANA
Molybdenum
93400 184900
9.8.1 23rd Energy Level
NANA
Molybdenum
98420 198800
10.1.3 24th Energy Level
NANA
Molybdenum
104400 195200
10.1.4 25th Energy Level
NANA
Molybdenum
121900 121900
11.1.1 26th Energy Level
NANA
Molybdenum
127700 127700
11.2.1 27th Energy Level
NANA
Molybdenum
133800 133800
11.4.1 28th Energy Level
NANA
Molybdenum
139800 139800
11.5.2 29th Energy Level
NANA
Molybdenum
148100 148100
11.7.2 30th Energy Level
NANA
Molybdenum
154500 154500
11.8 Electrochemical Equivalent
NA1.75 g/amp-hr
Beryllium
0.16812 8.3209
11.10 Electron Work Function
NA2.70 eV
Cesium
2.14 5.65
11.12 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Ionization, Radioactive Isotopes
12 Atomic
12.1 Atomic Number
10859
Lithium
3 117
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
10859
Lithium
3 117
13.1.3 Number of Neutrons
15882
Lithium
4 184
13.1.7 Number of Electrons
10859
Lithium
3 117
13.2 Radius of an Atom
13.2.1 Atomic Radius
126.00 pm182.00 pm
Beryllium
112 265
13.4.3 Covalent Radius
134.00 pm203.00 pm
Beryllium
96 260
13.4.5 Van der Waals Radius
NA239.00 pm
Zinc
139 348
13.5 Atomic Weight
269.00 amu140.91 amu
Lithium
6.94 294
13.6 Atomic Volume
NA20.80 cm3/mol
Manganese
1.39 71.07
14.2 Adjacent Atomic Numbers
14.2.1 Previous Element
14.2.2 Next Element
14.3 Valence Electron Potential
NA42.64 (-eV)
Francium
8 392.42
14.5 Lattice Constant
NA367.25 pm
Beryllium
228.58 891.25
14.8 Lattice Angles
NA
π/2, π/2, 2 π/3
14.9 Lattice C/A Ratio
NA1.61
Beryllium
1.567 1.886
15 Mechanical
15.1 Density
15.1.1 Density At Room Temperature
40.70 g/cm36.77 g/cm3
Lithium
0.534 40.7
15.2.3 Density When Liquid (at m.p.)
NA6.50 g/cm3
Lithium
0.512 20
15.3 Tensile Strength
NANA
Indium
2.5 11000
15.5 Viscosity
NANA
Mercury
0.001526 0.001526
15.6 Vapor Pressure
15.6.1 Vapor Pressure at 1000 K
NA0.00 (Pa)
Cerium
2.47E-11 121
15.6.2 Vapor Pressure at 2000 K
NA13.20 (Pa)
Tungsten
2.62E-10 774
15.7 Elasticity properties
15.7.1 Shear Modulus
NA14.80 GPa
Potassium
1.3 222
15.7.2 Bulk Modulus
NA28.80 GPa
Cesium
1.6 462
15.7.3 Young's Modulus
NA37.30 GPa
Cesium
1.7 528
15.8 Poisson Ratio
NA0.28
Beryllium
0.032 0.47
15.9 Other Mechanical Properties
Unknown
Ductile, Malleable
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
NA6.77
Lithium
0.53 4500
16.1.2 Magnetic Ordering
Unknown
Paramagnetic
16.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
16.1.4 Susceptibility
NANA
Bismuth
-0.000166 200000
16.2 Electrical Properties
16.2.1 Electrical Property
Unknown
Conductor
16.2.2 Resistivity
NA0.70 nΩ·m
Thallium
0.18 961
16.2.3 Electrical Conductivity
NA0.01 106/cm Ω
Plutonium
0.00666 0.63
16.2.4 Electron Affinity
NA50.00 kJ/mol
Mercury
0 222.8
17 Thermal
17.1 Specific Heat
NA0.19 J/(kg K)
Americium
0.11 3.6
17.2 Molar Heat Capacity
NA27.20 J/mol·K
Beryllium
16.443 62.7
17.3 Thermal Conductivity
NA12.50 W/m·K
Neptunium
6.3 429
17.4 Critical Temperature
NANA
Ytterbium
26.3 3223
17.5 Thermal Expansion
NA6.70 µm/(m·K)
Tungsten
4.5 97
17.6 Enthalpy
17.6.1 Enthalpy of Vaporization
NA296.80 kJ/mol
Zinc
7.32 799.1
17.6.2 Enthalpy of Fusion
NA6.89 kJ/mol
Cesium
2.1 35.23
17.6.3 Enthalpy of Atomization
NA368.00 kJ/mol
Mercury
61.5 837
17.7 Standard Molar Entropy
NA73.20 J/mol.K
Beryllium
9.5 198.1