1 Periodic Table
1.1 Symbol
1.2 Group Number
1.4 Period Number
1.5 Block
1.6 Element Family
Probably Post-Transition
Lanthanide
1.7 CAS Number
540856427440122
7429905
54386242
1.9 Space Group Name
Not Available
Not Available
1.10 Space Group Number
2 Facts
2.1 Interesting Facts
Not Available
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
2.2 Sources
Synthetically Produced
Found in Minerals, Mining
2.3 History
2.3.1 Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
Chien Shiung Wu, Emilio Segrè, Hans Bethe
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.6.3 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
2.8.2 Abundance In Meteorites
2.3.4 Abundance In Earth's Crust
2.7.4 Abundance In Oceans
2.8.6 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- Currently known uses of Ununpentium metal are limited to research purpose only.
- It is used for research purpose. Very small amount of this metal is used in atomic batteries.
- Its radioactive decay is used for a phosphor to give off light. The light emitted is converted into electricity.
3.1.1 Industrial Uses
3.1.3 Medical Uses
3.1.4 Other Uses
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
NA0.00 Blood/mg dm-3
0
1970
3.3.2 In Bone
5 Physical
5.1 Melting Point
400.00 °C1,042.00 °C
27
3410
6.6 Boiling Point
1,100.00 °C3,000.00 °C
147
5660
6.8 Appearance
6.8.1 Physical State
6.8.2 Color
6.8.3 Luster
6.9 Hardness
6.9.1 Mohs Hardness
6.11.2 Brinell Hardness
6.14.2 Vickers Hardness
6.19 Speed of Sound
6.22 Optical Properties
6.22.1 Refractive Index
6.24.1 Reflectivity
6.29 Allotropes
6.29.1 α Allotropes
Not Available
Not Available
6.29.2 β Allotropes
Not Available
Not Available
6.29.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
8.2 Electronegativity
8.2.1 Pauling Electronegativity
8.2.3 Sanderson Electronegativity
8.5.2 Allred Rochow Electronegativity
8.6.2 Mulliken-Jaffe Electronegativity
8.6.4 Allen Electronegativity
8.8 Electropositivity
8.8.1 Pauling Electropositivity
9.2 Ionization Energies
9.2.1 1st Energy Level
538.40 kJ/mol540.00 kJ/mol
375.7
26130
9.2.5 2nd Energy Level
1,756.00 kJ/mol1,050.00 kJ/mol
710.2162
28750
9.3.4 3rd Energy Level
2,653.30 kJ/mol2,150.00 kJ/mol
1600
34230
9.3.6 4th Energy Level
4,679.50 kJ/mol3,970.00 kJ/mol
2780
37066
10.1.1 5th Energy Level
5,721.60 kJ/molNA
4305.2
97510
10.2.1 6th Energy Level
10.3.1 7th Energy level
10.4.1 8th Energy Level
10.5.1 9th Energy Level
10.6.2 10th Energy Level
10.6.3 11th Energy Level
10.6.5 12th Energy Level
10.6.7 13th Energy Level
10.6.8 14th Energy Level
10.7.1 15th Energy Level
10.7.2 16th Energy Level
10.7.3 17th Energy Level
10.7.4 18th Energy Level
10.7.5 19th Energy Level
10.7.6 20th Energy Level
10.7.7 21st Energy Level
10.7.8 22nd Energy Level
10.7.9 23rd Energy Level
10.7.10 24th Energy Level
10.7.11 25th Energy Level
10.7.12 26th Energy Level
10.7.13 27th Energy Level
10.7.14 28th Energy Level
10.7.15 29th Energy Level
10.7.16 30th Energy Level
10.8 Electrochemical Equivalent
NA1.80 g/amp-hr
0.16812
8.3209
10.9 Electron Work Function
10.10 Other Chemical Properties
Chemical Stability, Ionization
Ionization, Radioactive Isotopes, Solubility
11 Atomic
11.1 Atomic Number
11.2 Electron Configuration
[Rn] 5f14 6d10 7s2 7p3
[Xe] 4f5 6s2
11.3 Crystal Structure
Not Known
Double Hexagonal Close Packed (DHCP)
11.3.1 Crystal Lattice
11.4 Atom
11.4.1 Number of Protons
11.4.2 Number of Neutrons
11.4.3 Number of Electrons
11.5 Radius of an Atom
11.5.1 Atomic Radius
11.5.2 Covalent Radius
11.5.3 Van der Waals Radius
11.6 Atomic Weight
289.00 amu145.00 amu
6.94
294
11.7 Atomic Volume
NA22.39 cm3/mol
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
11.11 Lattice Angles
11.12 Lattice C/A Ratio
12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
4.51 g/cm37.26 g/cm3
0.534
40.7
12.1.2 Density When Liquid (at m.p.)
12.2 Tensile Strength
12.3 Viscosity
12.4 Vapor Pressure
12.4.1 Vapor Pressure at 1000 K
12.4.2 Vapor Pressure at 2000 K
12.5 Elasticity properties
12.5.1 Shear Modulus
12.5.2 Bulk Modulus
12.5.3 Young's Modulus
12.6 Poisson Ratio
12.7 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
13.1.3 Permeability
13.1.4 Susceptibility
13.2 Electrical Properties
13.2.1 Electrical Property
13.2.2 Resistivity
13.2.3 Electrical Conductivity
13.2.4 Electron Affinity
14 Thermal
14.1 Specific Heat
14.2 Molar Heat Capacity
14.3 Thermal Conductivity
14.4 Critical Temperature
14.5 Thermal Expansion
14.6 Enthalpy
14.6.1 Enthalpy of Vaporization
14.6.2 Enthalpy of Fusion
14.6.3 Enthalpy of Atomization
14.7 Standard Molar Entropy