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Einsteinium vs Dysprosium


Dysprosium vs Einsteinium


Periodic Table

Symbol
Es   
Dy   

Group Number
Not Available   
Not Available   

Period Number
7   
6   

Block
f block   
f block   

Element Family
Actinide   
Lanthanide   

CAS Number
7429927   
99+
7429916   
99+

Space Group Name
Not Available   
P63/mmc   

Space Group Number
Not Available   
194.00   
5

Facts

Interesting Facts
  • Einsteinium is the transuranic element found in US.
  • Only 0.01 mg of Einsteinium was synthesized in 1961.
  
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
  

Sources
Made by Bombarding Uranium with Neutrons   
Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Lawrence Berkeley National Laboratory   
Lecoq de Boisbaudran   

Discovery
In 1952   
In 1886   

Abundance
  
  

Abundance In Universe
Not Available   
2 * 10-7 %   
22

Abundance In Sun
~-9999 %   
~0.0000002 %   
25

Abundance In Meteorites
Not Available   
0.00 %   
33

Abundance In Earth's Crust
Not Available   
0.00 %   
28

Abundance In Oceans
Not Available   
0.00 %   
35

Uses

Uses & Benefits
  • Currently known uses of Einsteinium metal are limited to research purpose only.
  
  • Dysprosium metal is highly reactive due to which it pure form is not as usual as its alloy.
  • Thi metals alloy is used in magnate as it is resistance to high temperature.
  

Industrial Uses
NA   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys, Nuclear Research, Research Purposes   
Alloys, Nuclear Research   

Biological Properties
  
  

Toxicity
Toxic   
Mildly Toxic   

Present in Human Body
No   
No   

In Blood
0.00 Blood/mg dm-3   
37
Not Available   

In Bone
0.00 p.p.m.   
36
Not Available   

Physical Properties

Melting Point
860.00 °C   
99+
1,407.00 °C   
32

Boiling Point
996.00 °C   
99+
2,562.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Silvery White   

Luster
NA   
Metallic   

Hardness
  
  

Brinell Hardness
Not Available   
500.00 MPa   
23

Vickers Hardness
Not Available   
540.00 MPa   
20

Speed of Sound
Not Available   
2,710.00 m/s   
33

Optical Properties
  
  

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
Es   
Dy   

Isotopes
  
  

Known Isotopes
16   
23
29   
10

Electronegativity
  
  

Pauling Electronegativity
1.54   
26
1.22   
38

Allred Rochow Electronegativity
1.20   
27
1.10   
30

Electropositivity
  
  

Pauling Electropositivity
2.70   
22
2.78   
16

Ionization Energies
  
  

1st Energy Level
619.00 kJ/mol   
99+
573.00 kJ/mol   
99+

2nd Energy Level
1,216.00 kJ/mol   
99+
1,130.00 kJ/mol   
99+

3rd Energy Level
2,334.00 kJ/mol   
99+
2,200.00 kJ/mol   
99+

4th Energy Level
3,734.00 kJ/mol   
99+
3,990.00 kJ/mol   
37

Electrochemical Equivalent
4.74 g/amp-hr   
5
2.02 g/amp-hr   
29

Electron Work Function
Not Available   
Not Available   

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   

Atomic Properties

Atomic Number
99   
19
66   
99+

Electron Configuration
[Rn] 5f11 7s2   
[Xe] 4f9 6s2   

Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100   
HCP-Crystal-Structure-of-Dysprosium.jpg#100   

Atom
  
  

Number of Protons
99   
19
66   
99+

Number of Neutrons
153   
9
96   
35

Number of Electrons
99   
19
66   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
178.00 pm   
16

Covalent Radius
Not Available   
192.00 pm   
17

Van der Waals Radius
Not Available   
229.00 pm   
20

Atomic Weight
252.00 amu   
16
162.50 amu   
99+

Atomic Volume
Not Available   
19.00 cm3/mol   
23

Adjacent Atomic Numbers
  
  

Previous Element
Terbium
  

Next Element
Fermium
  
Holmium
  

Valence Electron Potential
Not Available   
47.40 (-eV)   
32

Lattice Constant
Not Available   
359.30 pm   
37

Lattice Angles
NA   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
1.57   
15

Mechanical Properties

Density
  
  

Density At Room Temperature
8.84 g/cm3   
99+
8.54 g/cm3   
99+

Density When Liquid (at m.p.)
Not Available   
8.37 g/cm3   
25

Tensile Strength
Not Available   
120.00 MPa   
15

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Elasticity properties
  
  

Shear Modulus
Not Available   
24.70 GPa   
31

Bulk Modulus
Not Available   
40.50 GPa   
31

Young's Modulus
Not Available   
61.40 GPa   
33

Poisson Ratio
Not Available   
0.25   
25

Other Mechanical Properties
NA   
Sectile   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
Not Available   
8.55   
38

Magnetic Ordering
Paramagnetic   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Unknown   
Conductor   

Resistivity
Not Available   
926.00 nΩ·m   
2

Electrical Conductivity
Not Available   
0.01 106/cm Ω   
99+

Electron Affinity
Not Available   
50.00 kJ/mol   
21

Thermal Properties

Specific Heat
Not Available   
0.17 J/(kg K)   
34

Molar Heat Capacity
Not Available   
27.70 J/mol·K   
14

Thermal Conductivity
Not Available   
10.70 W/m·K   
99+

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
Not Available   
9.90 µm/(m·K)   
40

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
230.00 kJ/mol   
39

Enthalpy of Fusion
Not Available   
11.05 kJ/mol   
32

Enthalpy of Atomization
Not Available   
301.00 kJ/mol   
36

Standard Molar Entropy
Not Available   
75.60 J/mol.K   
7

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