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Properties of Moscovium and Promethium

Moscovium
Promethium
Properties of Promethium & Moscovium


Physical Properties
Melting Point
400.00 °C   
99+
1,042.00 °C   
99+
Boiling Point
1,100.00 °C   
99+
3,000.00 °C   
31
Hardness
  
  
Mohs Hardness
Not Available   
Not Available   
Brinell Hardness
Not Available   
Not Available   
Vickers Hardness
Not Available   
Not Available   
Optical Properties
  
  
Refractive Index
Not Available   
Not Available   
Reflectivity
Not Available   
Not Available   
Speed of Sound
Not Available   
Not Available   
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Mc   
Pm   
Isotopes
  
  
Known Isotopes
5   
32
27   
12
Electronegativity
  
  
Pauling Electronegativity
Not Available   
Not Available   
Sanderson Electronegativity
Not Available   
Not Available   
Allred Rochow Electronegativity
Not Available   
1.07   
32
Mulliken-Jaffe Electronegativity
Not Available   
Not Available   
Allen Electronegativity
Not Available   
Not Available   
Electropositivity
  
  
Pauling Electropositivity
Not Available   
Not Available   
Ionization Energies
  
  
1st Energy Level
538.40 kJ/mol   
99+
540.00 kJ/mol   
99+
2nd Energy Level
1,756.00 kJ/mol   
24
1,050.00 kJ/mol   
99+
3rd Energy Level
2,653.30 kJ/mol   
40
2,150.00 kJ/mol   
99+
Electrochemical Equivalent
Not Available   
1.80 g/amp-hr   
36
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
?
Stable metals are non radioactive metals and have zero valence electrons in the outer shell.Chemical Stability, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization   
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility   
Mechanical Properties
Density
  
  
Density At Room Temperature
4.51 g/cm3   
99+
7.26 g/cm3   
99+
Density When Liquid (at m.p.)
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
Not Available   
Vapor Pressure at 2000 K
Not Available   
Not Available   
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Elasticity properties
  
  
Shear Modulus
Not Available   
18.00 GPa   
36
Bulk Modulus
Not Available   
33.00 GPa   
36
Young's Modulus
Not Available   
46.00 GPa   
38
Poisson Ratio
Not Available   
0.28   
17
Other Mechanical Properties
Unknown   
NA   
Periodic Table
Symbol
Mc   
Pm   
Group Number
15   
3
Not Available   
Period Number
7   
6   
Block
?
The p-block is on the right side of the periodic table and includes elements from the six columns beginning with column 13 and ending with column 18. Helium, though being in the top of group 18, is not included in the p-block.p block   
?
The f-block is in the center-left of a 32-column periodic table but in the footnoted appendage of 18-column tables. These elements are not generally considered as part of any group. They are often called inner transition metals.f block   
Element Family
Probably Post-​Transition   
?
Total 15 metals are included in Lanthanide series from Lanthanum to Lutetium. Lanthanide series is located under f and d block of the periodic table.Lanthanide   
Atomic Properties
Atomic Number
115   
3
61   
99+
Atomic Weight
289.00 amu   
3
145.00 amu   
99+
Atomic Volume
Not Available   
22.39 cm3/mol   
12
Electron Configuration
[Rn] 5f14 6d10 7s2 7p3   
[Xe] 4f5 6s2   
Valence Electron Potential
Not Available   
44.10 (-eV)   
39
Atom
  
  
Number of Protons
115   
3
61   
99+
Number of Neutrons
159   
5
84   
40
Number of Electrons
115   
3
61   
99+
Crystal Structure
?
The crustal structure for this metal is Unknown or not yet discoveredNot Known   
?
In crystallography, the hexagonal crystal structure and its double hexagonal crystal structure is one of the 7 crystal structure, The hexagonal lattice system consists of just one Bravais lattice type: the hexagonal shape.Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
Unknown-Crystal-Structure-of-Ununpentium.jpg#100   
DHCP-Crystal-Structure-of-Promethium.jpg#100   
Radius of an Atom
  
  
Atomic Radius
Not Available   
183.00 pm   
10
Covalent Radius
Not Available   
199.00 pm   
12
Van der Waals Radius
Not Available   
236.00 pm   
16
Lattice Constant
Not Available   
Not Available   
Lattice Angles
NA   
Unknown   
Lattice C/A Ratio
Not Available   
Not Available   
Adjacent Atomic Numbers
  
  
Next Element
Livermorium
  
Samarium
  
Previous Element
Flerovium
  
Neodymium
  
Magnetic Properties
Electrical Properties
  
  
Resistivity
Not Available   
0.75 nΩ·m   
99+
Electrical Conductivity
Not Available   
Not Available   
Electron Affinity
Not Available   
50.00 kJ/mol   
21
Electrical Property
Unknown   
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor   
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
7.26   
99+
Magnetic Ordering
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic   
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic   
Permeability
Not Available   
Not Available   
Susceptibility
Not Available   
Not Available   
Thermal Properties
Specific Heat
Not Available   
0.18 J/(kg K)   
33
Thermal Conductivity
Not Available   
17.90 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Molar Heat Capacity
Not Available   
Not Available   
Thermal Expansion
Not Available   
9.00 µm/(m·K)   
99+
Standard Molar Entropy
Not Available   
Not Available   
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
Not Available   
Enthalpy of Fusion
Not Available   
7.50 kJ/mol   
99+
Enthalpy of Atomization
Not Available   
310.00 kJ/mol   
34
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