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Properties of Neodymium and Einsteinium

Neodymium
Einsteinium
Properties of Einsteinium & Neodymium


Physical Properties
Melting Point
1,010.00 °C   
99+
860.00 °C   
99+
Boiling Point
3,127.00 °C   
28
996.00 °C   
99+
Hardness
  
  
Mohs Hardness
Not Available   
Not Available   
Brinell Hardness
265.00 MPa   
35
Not Available   
Vickers Hardness
345.00 MPa   
27
Not Available   
Optical Properties
  
  
Refractive Index
Not Available   
Not Available   
Reflectivity
Not Available   
Not Available   
Speed of Sound
2,330.00 m/s   
38
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
Nd   
Es   
Isotopes
  
  
Known Isotopes
30   
9
16   
23
Electronegativity
  
  
Pauling Electronegativity
1.14   
99+
1.54   
26
Sanderson Electronegativity
Not Available   
Not Available   
Allred Rochow Electronegativity
1.07   
32
1.20   
27
Mulliken-Jaffe Electronegativity
Not Available   
Not Available   
Allen Electronegativity
Not Available   
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.86   
13
2.70   
22
Ionization Energies
  
  
1st Energy Level
533.10 kJ/mol   
99+
619.00 kJ/mol   
99+
2nd Energy Level
1,040.00 kJ/mol   
99+
1,216.00 kJ/mol   
99+
3rd Energy Level
2,130.00 kJ/mol   
99+
2,334.00 kJ/mol   
99+
Electrochemical Equivalent
1.79 g/amp-hr   
37
4.74 g/amp-hr   
5
Electron Work Function
3.20 eV   
34
Not Available   
Other Chemical Properties
?
Stable metals are non radioactive metals and have zero valence electrons in the outer shell.Chemical Stability, 
?
Corrosion is a process which converts refined metals to their more stable forms, for example, its oxide and hydroxide. This process of metals getting corroded is a gradual destruction of metals by chemical reactions.Corrosion, 
?
Flammable metals have ability to burn or ignite, causing fire or combustion.Flammable, 
?
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, 
?
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
7.01 g/cm3   
99+
8.84 g/cm3   
99+
Density When Liquid (at m.p.)
6.89 g/cm3   
36
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
21
Not Available   
Vapor Pressure at 2000 K
101.00 (Pa)   
2
Not Available   
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Elasticity properties
  
  
Shear Modulus
16.30 GPa   
38
Not Available   
Bulk Modulus
31.80 GPa   
37
Not Available   
Young's Modulus
41.40 GPa   
40
Not Available   
Poisson Ratio
0.28   
16
Not Available   
Other Mechanical Properties
NA   
NA   
Periodic Table
Symbol
Nd   
Es   
Group Number
1   
17
Not Available   
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 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
?
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   
?
Total 15 metals are included in actinide series, from Actinium to Lawrencium. Actinide series is located under f and d block of the periodic table.Actinide   
Atomic Properties
Atomic Number
60   
99+
99   
19
Atomic Weight
144.24 amu   
99+
252.00 amu   
16
Atomic Volume
20.60 cm3/mol   
18
Not Available   
Electron Configuration
[Xe] 4f4 6s2   
[Rn] 5f11 7s2   
Valence Electron Potential
43.40 (-eV)   
99+
Not Available   
Atom
  
  
Number of Protons
60   
99+
99   
19
Number of Neutrons
84   
40
153   
9
Number of Electrons
60   
99+
99   
19
Crystal Structure
?
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)   
?
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most common and simplest shapes found in crystals and minerals.Face Centered Cubic (FCC)   
Crystal Lattice
DHCP-Crystal-Structure-of-Neodymium.jpg#100   
FCC-Crystal-Structure-of-Einsteinium.jpg#100   
Radius of an Atom
  
  
Atomic Radius
181.00 pm   
13
186.00 pm   
9
Covalent Radius
201.00 pm   
10
Not Available   
Van der Waals Radius
229.00 pm   
20
Not Available   
Lattice Constant
365.80 pm   
30
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.61   
4
Not Available   
Adjacent Atomic Numbers
  
  
Next Element
Promethium
  
Fermium
  
Previous Element
Praseodymium
  
Californium
  
Magnetic Properties
Electrical Properties
  
  
Resistivity
643.00 nΩ·m   
6
Not Available   
Electrical Conductivity
0.02 106/cm Ω   
99+
Not Available   
Electron Affinity
50.00 kJ/mol   
21
Not Available   
Electrical Property
NA   
Unknown   
Magnetic Characteristics
  
  
Specific Gravity
7.00   
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   
?
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
0.19 J/(kg K)   
32
Not Available   
Thermal Conductivity
16.50 W/m·K   
99+
Not Available   
Critical Temperature
Not Available   
Not Available   
Molar Heat Capacity
27.45 J/mol·K   
17
Not Available   
Thermal Expansion
9.60 µm/(m·K)   
99+
Not Available   
Standard Molar Entropy
71.50 J/mol.K   
13
Not Available   
Enthalpy
  
  
Enthalpy of Vaporization
273.00 kJ/mol   
34
Not Available   
Enthalpy of Fusion
7.14 kJ/mol   
99+
Not Available   
Enthalpy of Atomization
322.00 kJ/mol   
32
Not Available   
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