1 Periodic Table
1.1 Symbol
1.2 Group Number
1.4 Period Number
1.5 Block
1.6 Element Family
Lanthanide
Probably Transition
1.7 CAS Number
744012254083771
7429905
54386242
2.3 Space Group Name
Not Available
Not Available
2.4 Space Group Number
3 Facts
3.1 Interesting Facts
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
Not Available
3.2 Sources
Found in Minerals, Mining
Synthetically Produced
3.3 History
3.3.1 Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Gesellschaft für Schwerionenforschung
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.3 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
3.4.5 Abundance In Meteorites
3.4.7 Abundance In Earth's Crust
3.4.8 Abundance In Oceans
3.4.10 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- 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.
- Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
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-30.00 Blood/mg dm-3
0
1970
4.3.2 In Bone
5 Physical
5.1 Melting Point
5.2 Boiling Point
5.3 Appearance
5.3.1 Physical State
5.3.2 Color
5.3.3 Luster
5.4 Hardness
5.4.1 Mohs Hardness
5.4.3 Brinell Hardness
5.4.5 Vickers Hardness
5.5 Speed of Sound
5.6 Optical Properties
5.6.1 Refractive Index
5.6.3 Reflectivity
5.7 Allotropes
5.7.1 α Allotropes
Not Available
Not Available
5.7.2 β Allotropes
Not Available
Not Available
5.7.3 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
6.3.3 Sanderson Electronegativity
6.3.5 Allred Rochow Electronegativity
6.3.7 Mulliken-Jaffe Electronegativity
6.3.9 Allen Electronegativity
6.4 Electropositivity
6.4.1 Pauling Electropositivity
6.5 Ionization Energies
6.5.1 1st Energy Level
540.00 kJ/mol955.20 kJ/mol
375.7
26130
6.5.3 2nd Energy Level
1,050.00 kJ/mol1,891.10 kJ/mol
710.2162
28750
6.5.4 3rd Energy Level
2,150.00 kJ/mol3,029.60 kJ/mol
1600
34230
6.5.6 4th Energy Level
3,970.00 kJ/mol3,955.90 kJ/mol
2780
37066
6.5.9 5th Energy Level
NA5,113.70 kJ/mol
4305.2
97510
6.5.11 6th Energy Level
6.5.13 7th Energy level
6.5.15 8th Energy Level
6.5.17 9th Energy Level
6.5.19 10th Energy Level
6.5.21 11th Energy Level
6.5.24 12th Energy Level
6.5.26 13th Energy Level
6.6.1 14th Energy Level
6.6.2 15th Energy Level
6.7.1 16th Energy Level
7.1.1 17th Energy Level
7.1.2 18th Energy Level
7.4.2 19th Energy Level
7.4.3 20th Energy Level
7.4.5 21st Energy Level
7.4.6 22nd Energy Level
7.4.8 23rd Energy Level
7.4.9 24th Energy Level
7.4.10 25th Energy Level
7.5.2 26th Energy Level
7.5.4 27th Energy Level
7.5.5 28th Energy Level
7.5.7 29th Energy Level
7.6.1 30th Energy Level
7.7 Electrochemical Equivalent
1.80 g/amp-hrNA
0.16812
8.3209
7.9 Electron Work Function
7.12 Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes, Radioactivity
8 Atomic
8.1 Atomic Number
8.3 Electron Configuration
[Xe] 4f5 6s2
[Rn] 5f14 6d8 7s2
8.4 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Body Centered Cubic (BCC)
8.4.1 Crystal Lattice
8.5 Atom
8.5.1 Number of Protons
8.7.1 Number of Neutrons
9.1.2 Number of Electrons
9.2 Radius of an Atom
9.2.1 Atomic Radius
183.00 pm132.00 pm
112
265
9.3.1 Covalent Radius
199.00 pm128.00 pm
96
260
9.4.1 Van der Waals Radius
9.6 Atomic Weight
145.00 amu281.00 amu
6.94
294
9.7 Atomic Volume
22.39 cm3/molNA
1.39
71.07
9.9 Adjacent Atomic Numbers
9.9.1 Previous Element
9.9.2 Next Element
9.10 Valence Electron Potential
9.11 Lattice Constant
9.12 Lattice Angles
9.13 Lattice C/A Ratio
10 Mechanical
10.1 Density
10.1.1 Density At Room Temperature
10.2.1 Density When Liquid (at m.p.)
11.2 Tensile Strength
11.3 Viscosity
11.4 Vapor Pressure
11.4.1 Vapor Pressure at 1000 K
11.4.3 Vapor Pressure at 2000 K
11.6 Elasticity properties
11.6.1 Shear Modulus
11.6.3 Bulk Modulus
11.6.4 Young's Modulus
11.7 Poisson Ratio
12.2 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.2.1 Magnetic Ordering
13.2.2 Permeability
13.2.3 Susceptibility
13.4 Electrical Properties
13.4.1 Electrical Property
13.4.2 Resistivity
13.5.1 Electrical Conductivity
13.7.2 Electron Affinity
14 Thermal
14.1 Specific Heat
14.2 Molar Heat Capacity
14.3 Thermal Conductivity
14.5 Critical Temperature
14.6 Thermal Expansion
14.7 Enthalpy
14.7.1 Enthalpy of Vaporization
14.7.2 Enthalpy of Fusion
14.7.3 Enthalpy of Atomization
14.8 Standard Molar Entropy