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Indium Berkelium Comparison


Berkelium Indium comparison


Periodic Table

Symbol
In   
Bk   

Group Number
13   
5
Not Available   

Period Number
5   
7   

Block
p block   
f block   

Element Family
Post-​Transition   
Actinide   

CAS Number
7440746   
17
7440406   
99+

Space Group Name
I4/mmm   
P63/mmc   

Space Group Number
139.00   
8
194.00   
5

Facts

Interesting Facts
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
  
  • X-ray Diffraction- different compounds of Berkelium metals are identified using it.
    Commercial uses of Berkelium metal are not yet discovered.
  

Sources
Mining, Ores of metals   
Bombarding Americium with Alpha Particles.   

History
  
  

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

Discovery
In 1863   
In 1949   

Abundance
  
  

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

Abundance In Sun
~0.0000004 %   
23
~-9999 %   

Abundance In Meteorites
0.00 %   
99+
Not Available   

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

Abundance In Oceans
0.00 %   
99+
Not Available   

Uses

Uses & Benefits
  • 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.
  
  • This metal is very rare and has no commercial uses.
  

Industrial Uses
Aerospace Industry, Automobile Industry   
NA   

Medical Uses
Medical Research   
NA   

Other Uses
Alloys, In Nuclear Reactors   
NA   

Biological Properties
  
  

Toxicity
Non Toxic   
Unknown   

Present in Human Body
Yes   
No   

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

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

Physical Properties

Melting Point
156.61 °C   
99+
986.00 °C   
99+

Boiling Point
2,000.00 °C   
99+
2,627.00 °C   
40

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery Gray   
Silver   

Luster
Lustrous   
Metallic   

Hardness
  
  

Mohs Hardness
1.20   
20
Not Available   

Brinell Hardness
8.80 MPa   
99+
Not Available   

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

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
In   
Bk   

Isotopes
  
  

Known Isotopes
35   
4
14   
25

Electronegativity
  
  

Pauling Electronegativity
1.78   
16
1.30   
32

Sanderson Electronegativity
2.14   
8
Not Available   

Allred Rochow Electronegativity
1.49   
13
1.20   
27

Mulliken-Jaffe Electronegativity
1.76   
10
Not Available   

Allen Electronegativity
1.66   
18
2.70   
1

Electropositivity
  
  

Pauling Electropositivity
2.22   
38
2.70   
22

Ionization Energies
  
  

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

2nd Energy Level
1,820.70 kJ/mol   
18
1,186.00 kJ/mol   
99+

3rd Energy Level
2,704.00 kJ/mol   
39
2,152.00 kJ/mol   
99+

4th Energy Level
5,210.00 kJ/mol   
17
3,434.00 kJ/mol   
99+

Electrochemical Equivalent
1.43 g/amp-hr   
99+
3.07 g/amp-hr   
16

Electron Work Function
4.12 eV   
24
Not Available   

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

Atomic Properties

Atomic Number
49   
99+
97   
21

Electron Configuration
[Kr] 4d10 5s2 5p1   
[Rn] 5f9 7s2   

Crystal Structure
Tetragonal (TETR)   
Double Hexagonal Close Packed (DHCP)   

Crystal Lattice
TETR-Crystal-Structure-of-Indium.jpg#100   
DHCP-Crystal-Structure-of-Berkelium.jpg#100   

Atom
  
  

Number of Protons
49   
99+
97   
21

Number of Neutrons
66   
99+
150   
11

Number of Electrons
49   
99+
97   
21

Radius of an Atom
  
  

Atomic Radius
167.00 pm   
24
170.00 pm   
22

Covalent Radius
142.00 pm   
99+
Not Available   

Van der Waals Radius
193.00 pm   
31
Not Available   

Atomic Weight
114.82 amu   
99+
247.00 amu   
18

Atomic Volume
15.70 cm3/mol   
33
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Cadmium
  
Curium
  

Next Element
Tin
  

Valence Electron Potential
54.00 (-eV)   
25
45.50 (-eV)   
36

Lattice Constant
325.23 pm   
99+
341.60 pm   
99+

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

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
7.31 g/cm3   
99+
14.78 g/cm3   
22

Density When Liquid (at m.p.)
7.02 g/cm3   
33
13.25 g/cm3   
11

Tensile Strength
2.50 MPa   
21
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

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

Elasticity properties
  
  

Young's Modulus
11.00 GPa   
99+
Not Available   

Poisson Ratio
Not Available   
Not Available   

Other Mechanical Properties
Ductile, Malleable   
NA   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
7.31   
99+
14.00   
14

Magnetic Ordering
Diamagnetic   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Conductor   
Conductor   

Resistivity
83.70 nΩ·m   
34
Not Available   

Electrical Conductivity
0.12 106/cm Ω   
17
Not Available   

Electron Affinity
28.90 kJ/mol   
31
Not Available   

Thermal Properties

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

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

Thermal Conductivity
81.80 W/m·K   
21
10.00 W/m·K   
99+

Critical Temperature
Not Available   
Not Available   

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

Enthalpy
  
  

Enthalpy of Vaporization
226.40 kJ/mol   
40
Not Available   

Enthalpy of Fusion
3.28 kJ/mol   
99+
Not Available   

Enthalpy of Atomization
242.70 kJ/mol   
99+
Not Available   

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

Summary >>
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