Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals

Promethium Properties
Promethium


Physical
0
Melting Point
1,042.00 °C 43
Boiling Point
3,000.00 °C 31
Hardness
0
Mohs Hardness
Not Available 0
Brinell Hardness
Not Available 0
Vickers Hardness
Not Available 0
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
Not Available 0
Speed of Sound
Not Available 0
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
Pm 0
Isotopes
0
Known Isotopes
27 12
Electronegativity
0
Pauling Electronegativity
Not Available 0
Sanderson Electronegativity
Not Available 0
Allred Rochow Electronegativity
1.07 32
Mulliken-Jaffe Electronegativity
Not Available 0
Allen Electronegativity
Not Available 0
Electropositivity
0
Pauling Electropositivity
Not Available 0
Ionization Energies
0
1st Energy Level
540.00 kJ/mol 73
2nd Energy Level
1,050.00 kJ/mol 78
3rd Energy Level
2,150.00 kJ/mol 67
Electrochemical Equivalent
1.80 g/amp-hr 36
Electron Work Function
Not Available 0
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility 0
Mechanical
0
Density
0
Density At Room Temperature
7.26 g/cm3 56
Density When Liquid (at m.p.)
Not Available 0
Vapor Pressure
0
Vapor Pressure at 1000 K
Not Available 0
Vapor Pressure at 2000 K
Not Available 0
Tensile Strength
Not Available 0
Viscosity
Not Available 0
Elasticity properties
0
Shear Modulus
18.00 GPa 36
Bulk Modulus
33.00 GPa 36
Young's Modulus
46.00 GPa 38
Poisson Ratio
0.28 17
Other Mechanical Properties
NA 0
Periodic Table
0
Symbol
Pm 0
Group Number
Not Available 0
Period Number
6 2
Block
f block 0
Element Family
Lanthanide 0
Atomic
0
Atomic Number
61 55
Atomic Weight
145.00 amu 49
Atomic Volume
22.39 cm3/mol 12
Electron Configuration
[Xe] 4f5 6s2 0
Valence Electron Potential
44.10 (-eV) 39
Atom
0
Number of Protons
61 54
Number of Neutrons
84 40
Number of Electrons
61 54
Crystal Structure
Double Hexagonal Close Packed (DHCP) 0
Crystal Lattice
DHCP-Crystal-Structure-of-Promethium.jpg#100 0
Radius of an Atom
0
Atomic Radius
183.00 pm 10
Covalent Radius
199.00 pm 12
Van der Waals Radius
236.00 pm 16
Lattice Constant
Not Available 0
Lattice Angles
Unknown 0
Lattice C/A Ratio
Not Available 0
Adjacent Atomic Numbers
0
Next Element
50 0
Previous Element
13 0
Magnetic
0
Electrical Properties
0
Resistivity
0.75 nΩ·m 64
Electrical Conductivity
Not Available 0
Electron Affinity
50.00 kJ/mol 21
Electrical Property
Conductor 0
Magnetic Characteristics
0
Specific Gravity
7.26 43
Magnetic Ordering
Paramagnetic 0
Permeability
Not Available 0
Susceptibility
Not Available 0
Thermal
0
Specific Heat
0.18 J/(kg K) 33
Thermal Conductivity
17.90 W/m·K 47
Critical Temperature
Not Available 0
Molar Heat Capacity
Not Available 0
Thermal Expansion
9.00 µm/(m·K) 43
Standard Molar Entropy
Not Available 0
Enthalpy
0
Enthalpy of Vaporization
Not Available 0
Enthalpy of Fusion
7.50 kJ/mol 43
Enthalpy of Atomization
310.00 kJ/mol 34
All >>
<< Thermal

Lanthanide Metals

Compare Lanthanide Series

Lanthanide Metals

» More Lanthanide Metals

Compare Lanthanide Series

» More Compare Lanthanide Series
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!