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Properties of Samarium and Hassium

Samarium
Hassium
Properties of Hassium & Samarium


Physical Properties
Melting Point
1,072.00 °C   
99+
Not Available   
Boiling Point
1,900.00 °C   
99+
Not Available   
Hardness
  
  
Mohs Hardness
Not Available   
Not Available   
Brinell Hardness
441.00 MPa   
27
Not Available   
Vickers Hardness
412.00 MPa   
24
Not Available   
Optical Properties
  
  
Refractive Index
Not Available   
Not Available   
Reflectivity
Not Available   
Not Available   
Speed of Sound
2,130.00 m/s   
99+
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
Sm   
Hs   
Isotopes
  
  
Known Isotopes
30   
9
7   
31
Electronegativity
  
  
Pauling Electronegativity
1.17   
40
Not Available   
Sanderson Electronegativity
Not Available   
Not Available   
Allred Rochow Electronegativity
1.07   
32
Not Available   
Mulliken-Jaffe Electronegativity
Not Available   
Not Available   
Allen Electronegativity
Not Available   
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.83   
14
Not Available   
Ionization Energies
  
  
1st Energy Level
544.50 kJ/mol   
99+
733.30 kJ/mol   
26
2nd Energy Level
1,070.00 kJ/mol   
99+
1,756.00 kJ/mol   
24
3rd Energy Level
2,260.00 kJ/mol   
99+
2,827.00 kJ/mol   
36
Electrochemical Equivalent
1.87 g/amp-hr   
34
Not Available   
Electron Work Function
2.70 eV   
99+
Not Available   
Other Chemical Properties
?
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   
?
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, 
?
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.Radioactivity   
Mechanical Properties
Density
  
  
Density At Room Temperature
7.52 g/cm3   
99+
40.70 g/cm3   
1
Density When Liquid (at m.p.)
7.16 g/cm3   
32
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.94 (Pa)   
9
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
19.50 GPa   
34
Not Available   
Bulk Modulus
37.80 GPa   
35
Not Available   
Young's Modulus
49.70 GPa   
37
Not Available   
Poisson Ratio
0.27   
19
Not Available   
Other Mechanical Properties
NA   
Unknown   
Periodic Table
Symbol
Sm   
Hs   
Group Number
Not Available   
8   
10
Period Number
6   
7   
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   
?
The d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d block   
Element Family
?
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   
?
What is Transition Metal? All transition metals are placed under the d-block from group number 3 to 12. Transition metals show characteristics like malleability, ductility and are good conductor of electricity.Transition Metal   
Atomic Properties
Atomic Number
62   
99+
108   
10
Atomic Weight
150.36 amu   
99+
269.00 amu   
9
Atomic Volume
19.95 cm3/mol   
19
Not Available   
Electron Configuration
[Xe] 4f6 6s2   
[Rn] 5f14 6d6 7s2   
Valence Electron Potential
44.80 (-eV)   
37
Not Available   
Atom
  
  
Number of Protons
62   
99+
108   
10
Number of Neutrons
88   
39
158   
6
Number of Electrons
62   
99+
108   
10
Crystal Structure
?
Rhombohedral crystal lattice structure comes under trigonal crystal structure. The Rhombohedral crystal structure is a term associated trigonal crystal structure with the rhombohedral lattice.Rhombohedral (RHO)   
?
The hexagonal crystal system consists of the 7 point groups such that all their space groups have the hexagonal lattice as underlying lattice. The hexagonal crystal family consists of the 12 point groups such that at least one of their space groups has theHexagonal Close Packed (HCP)   
Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
126.00 pm   
99+
Covalent Radius
198.00 pm   
13
134.00 pm   
99+
Van der Waals Radius
229.00 pm   
20
Not Available   
Lattice Constant
362.10 pm   
33
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Adjacent Atomic Numbers
  
  
Next Element
Europium
  
Meitnerium
  
Previous Element
Promethium
  
Bohrium
  
Magnetic Properties
Electrical Properties
  
  
Resistivity
0.94 nΩ·m   
99+
Not Available   
Electrical Conductivity
0.01 106/cm Ω   
99+
Not Available   
Electron Affinity
50.00 kJ/mol   
21
Not Available   
Electrical Property
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor   
Unknown   
Magnetic Characteristics
  
  
Specific Gravity
7.52   
99+
Not Available   
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   
Unknown   
Permeability
Not Available   
Not Available   
Susceptibility
Not Available   
Not Available   
Thermal Properties
Specific Heat
0.20 J/(kg K)   
31
Not Available   
Thermal Conductivity
13.30 W/m·K   
99+
Not Available   
Critical Temperature
Not Available   
Not Available   
Molar Heat Capacity
29.54 J/mol·K   
7
Not Available   
Thermal Expansion
12.70 µm/(m·K)   
30
Not Available   
Standard Molar Entropy
69.60 J/mol.K   
15
Not Available   
Enthalpy
  
  
Enthalpy of Vaporization
166.40 kJ/mol   
99+
Not Available   
Enthalpy of Fusion
8.62 kJ/mol   
40
Not Available   
Enthalpy of Atomization
209.00 kJ/mol   
99+
Not Available   
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