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Einsteinium vs Indium


Indium vs Einsteinium


Periodic Table

Symbol
Es   
In   

Group Number
Not Available   
13   
5

Period Number
7   
5   

Block
f block   
p block   

Element Family
Actinide   
Post-​Transition   

CAS Number
7429927   
99+
7440746   
17

Space Group Name
Not Available   
I4/mmm   

Space Group Number
Not Available   
139.00   
8

Facts

Interesting Facts
  • Einsteinium is the transuranic element found in US.
  • Only 0.01 mg of Einsteinium was synthesized in 1961.
  
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
  

Sources
Made by Bombarding Uranium with Neutrons   
Mining, Ores of metals   

History
  
  

Who Discovered
Lawrence Berkeley National Laboratory   
Ferdinand Reich and Hieronymous Theodor Richter   

Discovery
In 1952   
In 1863   

Abundance
  
  

Abundance In Universe
Not Available   
3 * 10-8 %   
28

Abundance In Sun
~-9999 %   
~0.0000004 %   
23

Abundance In Meteorites
Not Available   
0.00 %   
99+

Abundance In Earth's Crust
Not Available   
0.00 %   
99+

Abundance In Oceans
Not Available   
0.00 %   
99+

Uses

Uses & Benefits
  • Currently known uses of Einsteinium metal are limited to research purpose only.
  
  • It is used to produce indium tin oxide (ITO), it is used in manufacturing touch screens, flat screen TVs and solar panels.
  • Its nitride, phosphide and antimonide are used in transistors and microchips.
  

Industrial Uses
NA   
Aerospace Industry, Automobile Industry   

Medical Uses
NA   
Medical Research   

Other Uses
Alloys, Nuclear Research, Research Purposes   
Alloys, In Nuclear Reactors   

Biological Properties
  
  

Toxicity
Toxic   
Non Toxic   

Present in Human Body
No   
Yes   

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+
156.61 °C   
99+

Boiling Point
996.00 °C   
99+
2,000.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Silvery Gray   

Luster
NA   
Lustrous   

Hardness
  
  

Mohs Hardness
Not Available   
1.20   
20

Brinell Hardness
Not Available   
8.80 MPa   
99+

Speed of Sound
Not Available   
1,215.00 m/s   
99+

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   
In   

Isotopes
  
  

Known Isotopes
16   
23
35   
4

Electronegativity
  
  

Pauling Electronegativity
1.54   
26
1.78   
16

Sanderson Electronegativity
Not Available   
2.14   
8

Allred Rochow Electronegativity
1.20   
27
1.49   
13

Mulliken-Jaffe Electronegativity
Not Available   
1.76   
10

Allen Electronegativity
Not Available   
1.66   
18

Electropositivity
  
  

Pauling Electropositivity
2.70   
22
2.22   
38

Ionization Energies
  
  

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

2nd Energy Level
1,216.00 kJ/mol   
99+
1,820.70 kJ/mol   
18

3rd Energy Level
2,334.00 kJ/mol   
99+
2,704.00 kJ/mol   
39

4th Energy Level
3,734.00 kJ/mol   
99+
5,210.00 kJ/mol   
17

Electrochemical Equivalent
4.74 g/amp-hr   
5
1.43 g/amp-hr   
99+

Electron Work Function
Not Available   
4.12 eV   
24

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

Atomic Properties

Atomic Number
99   
19
49   
99+

Electron Configuration
[Rn] 5f11 7s2   
[Kr] 4d10 5s2 5p1   

Crystal Structure
Face Centered Cubic (FCC)   
Tetragonal (TETR)   

Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100   
TETR-Crystal-Structure-of-Indium.jpg#100   

Atom
  
  

Number of Protons
99   
19
49   
99+

Number of Neutrons
153   
9
66   
99+

Number of Electrons
99   
19
49   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
167.00 pm   
24

Covalent Radius
Not Available   
142.00 pm   
99+

Van der Waals Radius
Not Available   
193.00 pm   
31

Atomic Weight
252.00 amu   
16
114.82 amu   
99+

Atomic Volume
Not Available   
15.70 cm3/mol   
33

Adjacent Atomic Numbers
  
  

Previous Element
Cadmium
  

Next Element
Fermium
  
Tin
  

Valence Electron Potential
Not Available   
54.00 (-eV)   
25

Lattice Constant
Not Available   
325.23 pm   
99+

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

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

Density When Liquid (at m.p.)
Not Available   
7.02 g/cm3   
33

Tensile Strength
Not Available   
2.50 MPa   
21

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.01 (Pa)   
11

Elasticity properties
  
  

Young's Modulus
Not Available   
11.00 GPa   
99+

Poisson Ratio
Not Available   
Not Available   

Other Mechanical Properties
NA   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
Not Available   
7.31   
99+

Magnetic Ordering
Paramagnetic   
Diamagnetic   

Electrical Properties
  
  

Electrical Property
Unknown   
Conductor   

Resistivity
Not Available   
83.70 nΩ·m   
34

Electrical Conductivity
Not Available   
0.12 106/cm Ω   
17

Electron Affinity
Not Available   
28.90 kJ/mol   
31

Thermal Properties

Specific Heat
Not Available   
0.23 J/(kg K)   
27

Molar Heat Capacity
Not Available   
26.74 J/mol·K   
25

Thermal Conductivity
Not Available   
81.80 W/m·K   
21

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
Not Available   
32.10 µm/(m·K)   
9

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
226.40 kJ/mol   
40

Enthalpy of Fusion
Not Available   
3.28 kJ/mol   
99+

Enthalpy of Atomization
Not Available   
242.70 kJ/mol   
99+

Standard Molar Entropy
Not Available   
57.80 J/mol.K   
22

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