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Indium vs Barium


Barium vs Indium


Periodic Table

Symbol
In   
Ba   

Group Number
13   
5
2   
16

Period Number
5   
6   

Block
p block   
s block   

Element Family
Post-​Transition   
Alkaline Earth   

CAS Number
7440746   
17
7440393   
99+

Space Group Name
I4/mmm   
Im_ 3m   

Space Group Number
139.00   
8
229.00   
1

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.
  
  • Barium oxidizes very easily in the air.
  • All toxic compounds of Barium can easily dissolve in water.
  • Barium carbonate is used to produce a Rat poison and its other compound Barium nitrate is used in fireworks to produce green color.
  

Sources
Mining, Ores of metals   
Earth's crust, Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Ferdinand Reich and Hieronymous Theodor Richter   
Carl Wilhelm Scheele   

Discovery
In 1863   
In 1772   

Abundance
  
  

Abundance In Universe
3 * 10-8 %   
28
1 * 10-6 %   
16

Abundance In Sun
~0.0000004 %   
23
~0.000001 %   
18

Abundance In Meteorites
0.00 %   
99+
0.00 %   
20

Abundance In Earth's Crust
0.00 %   
99+
0.03 %   
11

Abundance In Oceans
0.00 %   
99+
0.00 %   
8

Abundance In Humans
Not Available   
0.00 %   
12

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.
  
  • It is sued in chemical paint manufacturing and glass manufacturing.
  • Compounds of this metal are toxic; but still the barium sulfate is insoluble and given to patients suffering from digestive disorder.
  

Industrial Uses
Aerospace Industry, Automobile Industry   
Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry   

Medical Uses
Medical Research   
NA   

Other Uses
Alloys, In Nuclear Reactors   
Alloys   

Biological Properties
  
  

Toxicity
Non Toxic   
Low Toxic   

Present in Human Body
Yes   
Yes   

In Blood
Not Available   
0.07 Blood/mg dm-3   
15

In Bone
Not Available   
70.00 p.p.m.   
9

Physical Properties

Melting Point
156.61 °C   
99+
725.00 °C   
99+

Boiling Point
2,000.00 °C   
99+
1,140.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery Gray   
Silvery Gray   

Luster
Lustrous   
NA   

Hardness
  
  

Mohs Hardness
1.20   
20
1.25   
19

Brinell Hardness
8.80 MPa   
99+
Not Available   

Speed of Sound
1,215.00 m/s   
99+
1,620.00 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
In   
Ba   

Isotopes
  
  

Known Isotopes
35   
4
37   
2

Electronegativity
  
  

Pauling Electronegativity
1.78   
16
0.89   
99+

Sanderson Electronegativity
2.14   
8
0.68   
28

Allred Rochow Electronegativity
1.49   
13
0.97   
38

Mulliken-Jaffe Electronegativity
1.76   
10
0.88   
22

Allen Electronegativity
1.66   
18
0.88   
99+

Electropositivity
  
  

Pauling Electropositivity
2.22   
38
3.11   
4

Ionization Energies
  
  

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

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

3rd Energy Level
2,704.00 kJ/mol   
39
3,600.00 kJ/mol   
14

4th Energy Level
5,210.00 kJ/mol   
17
Not Available   

Electrochemical Equivalent
1.43 g/amp-hr   
99+
2.56 g/amp-hr   
20

Electron Work Function
4.12 eV   
24
2.70 eV   
99+

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

Atomic Properties

Atomic Number
49   
99+
56   
99+

Electron Configuration
[Kr] 4d10 5s2 5p1   
[Xe] 6s2   

Crystal Structure
Tetragonal (TETR)   
Body Centered Cubic (BCC)   

Crystal Lattice
TETR-Crystal-Structure-of-Indium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
49   
99+
56   
99+

Number of Neutrons
66   
99+
81   
99+

Number of Electrons
49   
99+
56   
99+

Radius of an Atom
  
  

Atomic Radius
167.00 pm   
24
222.00 pm   
4

Covalent Radius
142.00 pm   
99+
215.00 pm   
5

Van der Waals Radius
193.00 pm   
31
268.00 pm   
6

Atomic Weight
114.82 amu   
99+
137.33 amu   
99+

Atomic Volume
15.70 cm3/mol   
33
39.24 cm3/mol   
5

Adjacent Atomic Numbers
  
  

Previous Element
Cadmium
  
Cesium
  

Next Element
Tin
  
Lanthanum
  

Valence Electron Potential
54.00 (-eV)   
25
21.30 (-eV)   
99+

Lattice Constant
325.23 pm   
99+
502.80 pm   
15

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

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

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

Density When Liquid (at m.p.)
7.02 g/cm3   
33
3.34 g/cm3   
99+

Tensile Strength
2.50 MPa   
21
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.01 (Pa)   
11
7.11 (Pa)   
6

Elasticity properties
  
  

Shear Modulus
Not Available   
4.90 GPa   
99+

Bulk Modulus
Not Available   
9.60 GPa   
99+

Young's Modulus
11.00 GPa   
99+
13.00 GPa   
99+

Poisson Ratio
Not Available   
Not Available   

Other Mechanical Properties
Ductile, Malleable   
NA   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
7.31   
99+
3.62   
99+

Magnetic Ordering
Diamagnetic   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Conductor   
Superconductor   

Resistivity
83.70 nΩ·m   
34
332.00 nΩ·m   
13

Electrical Conductivity
0.12 106/cm Ω   
17
0.03 106/cm Ω   
40

Electron Affinity
28.90 kJ/mol   
31
13.95 kJ/mol   
36

Thermal Properties

Specific Heat
0.23 J/(kg K)   
27
0.20 J/(kg K)   
30

Molar Heat Capacity
26.74 J/mol·K   
25
28.07 J/mol·K   
12

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

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
32.10 µm/(m·K)   
9
20.60 µm/(m·K)   
22

Enthalpy
  
  

Enthalpy of Vaporization
226.40 kJ/mol   
40
140.00 kJ/mol   
99+

Enthalpy of Fusion
3.28 kJ/mol   
99+
7.66 kJ/mol   
99+

Enthalpy of Atomization
242.70 kJ/mol   
99+
175.70 kJ/mol   
99+

Standard Molar Entropy
57.80 J/mol.K   
22
62.50 J/mol.K   
20

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