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Praseodymium
Praseodymium

Darmstadtium
Darmstadtium



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Praseodymium
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Darmstadtium

Praseodymium Darmstadtium Comparison

1 Periodic Table
1.1 Symbol
Pr
Ds
1.2 Group Number
NA10
Gadolinium Metal
0 17
1.3 Period Number
67
Lithium Metal
2 7
1.4 Block
f block
d block
1.5 Element Family
Lanthanide
Probably Transition
1.6 CAS Number
744010054083771
Aluminium Metal
7429905 54386242
1.7 Space Group Name
P63/mmc
Not Available
1.8 Space Group Number
194.00NA
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • Praseodymium metal is synthetically produced metal.
  • Praseodymium is used as possible fuel for radioactive generators.
Not Available
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Synthetically Produced
2.3 History
2.3.1 Who Discovered
Not Available
Gesellschaft für Schwerionenforschung
2.3.2 Discovery
In 1885
In 1994
2.4 Abundance
2.4.1 Abundance In Universe
2 * 10-7 %NA
Thallium Metal
5E-09 0.11
2.4.2 Abundance In Sun
~0.0000001 %~-9999 %
Beryllium Metal
1E-08 0.1
2.4.3 Abundance In Meteorites
0.00 %NA
Gold Metal
1.7E-07 22
2.4.4 Abundance In Earth's Crust
0.00 %NA
Radium Metal
9.9E-12 8.1
2.4.5 Abundance In Oceans
0.00 %NA
Protactinium Metal
2E-23 1.1
2.4.6 Abundance In Humans
NANA
Radium Metal
1E-13 1.4
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.
  • Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
3.1.1 Industrial Uses
Chemical Industry
NA
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
Alloys
Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
Moderately Toxic
Unknown
3.2.2 Present in Human Body
3.2.3 In Blood
NA0.00 Blood/mg dm-3
Plutonium Metal
0 1970
3.2.4 In Bone
NA0.00 p.p.m.
Plutonium Metal
0 170000
4 Physical
4.1 Melting Point
935.00 °CNA
Francium Metal
27 3410
4.2 Boiling Point
3,130.00 °CNA
Flerovium Metal
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Grayish White
Unknown
4.3.3 Luster
Metallic
Unknown Luster
4.4 Hardness
4.4.1 Mohs Hardness
NANA
Cesium Metal
0.2 8.5
4.4.2 Brinell Hardness
481.00 MPaNA
Cesium Metal
0.14 3490
4.4.3 Vickers Hardness
400.00 MPaNA
Palladium Metal
121 3430
4.5 Speed of Sound
2,280.00 m/s5,090.00 m/s
Thallium Metal
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
4.6.2 Reflectivity
NANA
Molybdenum Metal
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
Pr
Ds
5.2 Isotopes
5.2.1 Known Isotopes
319
Tennessine Metal
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
1.13NA
Francium Metal
0.7 2.54
5.3.2 Sanderson Electronegativity
NANA
Cesium Metal
0.22 2.56
5.3.3 Allred Rochow Electronegativity
1.07NA
Cesium Metal
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
NANA
Cesium Metal
0.62 2.48
5.3.5 Allen Electronegativity
NANA
Cesium Metal
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
2.87NA
Gold Metal
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
527.00 kJ/mol955.20 kJ/mol
Cesium Metal
375.7 26130
5.5.2 2nd Energy Level
1,020.00 kJ/mol1,891.10 kJ/mol
Ruthenium Metal
710.2162 28750
5.5.3 3rd Energy Level
2,086.00 kJ/mol3,029.60 kJ/mol
Osmium Metal
1600 34230
5.5.4 4th Energy Level
3,761.00 kJ/mol3,955.90 kJ/mol
Thorium Metal
2780 37066
5.5.5 5th Energy Level
5,551.00 kJ/mol5,113.70 kJ/mol
Dubnium Metal
4305.2 97510
5.5.6 6th Energy Level
NANA
Seaborgium Metal
5715.8 105800
5.5.7 7th Energy level
NANA
Bohrium Metal
7226.8 114300
5.5.8 8th Energy Level
NANA
Hassium Metal
8857.4 125300
5.5.9 9th Energy Level
NANA
Yttrium Metal
14110 134700
5.5.10 10th Energy Level
NANA
Strontium Metal
17100 144300
5.5.11 11th Energy Level
NANA
Yttrium Metal
19900 169988
5.5.12 12th Energy Level
NANA
Molybdenum Metal
22219 189368
5.5.13 13th Energy Level
NANA
Molybdenum Metal
26930 76015
5.5.14 14th Energy Level
NANA
Molybdenum Metal
29196 86450
5.5.15 15th Energy Level
NANA
Manganese Metal
41987 97510
5.5.16 16th Energy Level
NANA
Iron Metal
47206 109480
5.5.17 17th Energy Level
NANA
Cobalt Metal
52737 122200
5.5.18 18th Energy Level
NANA
Nickel Metal
58570 134810
5.5.19 19th Energy Level
NANA
Copper Metal
64702 148700
5.5.20 20th Energy Level
NANA
Molybdenum Metal
80400 171200
5.5.21 21st Energy Level
NANA
Molybdenum Metal
87000 179100
5.5.22 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
5.5.23 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
5.5.24 24th Energy Level
NANA
Molybdenum Metal
104400 195200
5.5.25 25th Energy Level
NANA
Molybdenum Metal
121900 121900
5.5.26 26th Energy Level
NANA
Molybdenum Metal
127700 127700
5.5.27 27th Energy Level
NANA
Molybdenum Metal
133800 133800
5.5.28 28th Energy Level
NANA
Molybdenum Metal
139800 139800
5.5.29 29th Energy Level
NANA
Molybdenum Metal
148100 148100
5.5.30 30th Energy Level
NANA
Molybdenum Metal
154500 154500
5.6 Electrochemical Equivalent
1.75 g/amp-hrNA
Beryllium Metal
0.16812 8.3209
5.7 Electron Work Function
2.70 eVNA
Cesium Metal
2.14 5.65
5.8 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes
Ionization, Radioactive Isotopes, Radioactivity
6 Atomic
6.1 Atomic Number
59110
Lithium Metal
3 117
6.2 Electron Configuration
[Xe] 4f3 6s2
[Rn] 5f14 6d8 7s2
6.3 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
59110
Lithium Metal
3 117
6.4.2 Number of Neutrons
82161
Lithium Metal
4 184
6.4.3 Number of Electrons
59110
Lithium Metal
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
182.00 pm132.00 pm
Beryllium Metal
112 265
6.5.2 Covalent Radius
203.00 pm128.00 pm
Beryllium Metal
96 260
6.5.3 Van der Waals Radius
239.00 pmNA
Zinc Metal
139 348
6.6 Atomic Weight
140.91 amu281.00 amu
Lithium Metal
6.94 294
6.7 Atomic Volume
20.80 cm3/molNA
Manganese Metal
1.39 71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
42.64 (-eV)NA
Francium Metal
8 392.42
6.10 Lattice Constant
367.25 pmNA
Beryllium Metal
228.58 891.25
6.11 Lattice Angles
π/2, π/2, 2 π/3
NA
6.12 Lattice C/A Ratio
1.61NA
Beryllium Metal
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
6.77 g/cm3NA
Lithium Metal
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
6.50 g/cm3NA
Lithium Metal
0.512 20
7.2 Tensile Strength
NANA
Indium Metal
2.5 11000
7.3 Viscosity
NANA
Mercury Metal
0.001526 0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
0.00 (Pa)NA
Cerium Metal
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
13.20 (Pa)NA
Tungsten Metal
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
14.80 GPaNA
Potassium Metal
1.3 222
7.5.2 Bulk Modulus
28.80 GPaNA
Cesium Metal
1.6 462
7.5.3 Young's Modulus
37.30 GPaNA
Cesium Metal
1.7 528
7.6 Poisson Ratio
0.28NA
Beryllium Metal
0.032 0.47
7.7 Other Mechanical Properties
Ductile, Malleable
Unknown
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
6.77NA
Lithium Metal
0.53 4500
8.1.2 Magnetic Ordering
Paramagnetic
Unknown
8.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
8.1.4 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
Unknown
8.2.2 Resistivity
0.70 nΩ·mNA
Thallium Metal
0.18 961
8.2.3 Electrical Conductivity
0.01 106/cm ΩNA
Plutonium Metal
0.00666 0.63
8.2.4 Electron Affinity
50.00 kJ/molNA
Mercury Metal
0 222.8
9 Thermal
9.1 Specific Heat
0.19 J/(kg K)NA
Americium Metal
0.11 3.6
9.2 Molar Heat Capacity
27.20 J/mol·KNA
Beryllium Metal
16.443 62.7
9.3 Thermal Conductivity
12.50 W/m·KNA
Neptunium Metal
6.3 429
9.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
9.5 Thermal Expansion
6.70 µm/(m·K)NA
Tungsten Metal
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
296.80 kJ/molNA
Zinc Metal
7.32 799.1
9.6.2 Enthalpy of Fusion
6.89 kJ/molNA
Cesium Metal
2.1 35.23
9.6.3 Enthalpy of Atomization
368.00 kJ/molNA
Mercury Metal
61.5 837
9.7 Standard Molar Entropy
73.20 J/mol.KNA
Beryllium Metal
9.5 198.1