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Bismuth vs Gallium


Gallium vs Bismuth


Periodic Table

Symbol
Bi   
Ga   

Group Number
15   
3
13   
5

Period Number
6   
4   

Block
p block   
p block   

Element Family
Post-​Transition   
Post-​Transition   

CAS Number
7440699   
22
7440553   
32

Space Group Name
C12/m1   
Cmca   

Space Group Number
12.00   
12
64.00   
9

Facts

Interesting Facts
  • Bismuth metal is soluble and reacts with concentrated nitric acid.
  • It oxides are used as a yellow pigment in paint. Bismuth chloride oxide BiClO gives a pearly texture to cosmetics.
  
  • A gram of Gallium metal can be bought for only three dollars.
  • Gallium metal found in ores of following things Coal, Bauxite, Diaspore, Sphalerite, Germanite and Zinc.
  

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

History
  
  

Who Discovered
Claude François Geoffroy   
Lecoq de Boisbaudran   

Discovery
In 1753   
In 1875   

Abundance
  
  

Abundance In Universe
7 * 10-8 %   
25
1 * 10-6 %   
16

Abundance In Sun
~0.000006 %   
14
~0.000004 %   
16

Abundance In Meteorites
0.00 %   
99+
0.00 %   
16

Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
24

Abundance In Oceans
0.00 %   
24
0.00 %   
22

Uses

Uses & Benefits
  • Tin and bismuth alloys have a very low melting point and hence it is used in fire detector and the fire extinguishers. It also used in electric solders and fuses.
  
  • Gallium arsenide is a very important component of many semiconductors and led manufacturing.
  • Gallium nitride is also know as a semiconductor and it is used in Blu-ray technology, mobile smartphones and LED.
  

Industrial Uses
Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Electrical Industry, Electronic Industry   

Medical Uses
Pharmaceutical Industry   
Surgical Instruments Manufacturing   

Other Uses
Alloys   
Alloys   

Biological Properties
  
  

Toxicity
Low Toxic   
Non Toxic   

Present in Human Body
Yes   
Yes   

In Blood
0.02 Blood/mg dm-3   
20
0.08 Blood/mg dm-3   
13

In Bone
0.20 p.p.m.   
22
Not Available   

Physical Properties

Melting Point
271.30 °C   
99+
29.78 °C   
99+

Boiling Point
1,560.00 °C   
99+
2,403.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Silvery White   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
2.25   
15
1.50   
18

Brinell Hardness
70.00 MPa   
99+
56.80 MPa   
99+

Speed of Sound
1,790.00 m/s   
99+
2,740.00 m/s   
31

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
Bi   
Ga   

Isotopes
  
  

Known Isotopes
33   
6
24   
15

Electronegativity
  
  

Pauling Electronegativity
2.02   
6
1.81   
15

Sanderson Electronegativity
2.34   
3
2.42   
2

Allred Rochow Electronegativity
1.67   
6
1.82   
1

Mulliken-Jaffe Electronegativity
2.15   
4
2.01   
5

Allen Electronegativity
2.01   
4
1.76   
14

Electropositivity
  
  

Pauling Electropositivity
1.98   
99+
2.19   
39

Ionization Energies
  
  

1st Energy Level
703.00 kJ/mol   
35
578.80 kJ/mol   
99+

2nd Energy Level
1,610.00 kJ/mol   
33
1,979.30 kJ/mol   
13

3rd Energy Level
2,466.00 kJ/mol   
99+
2,963.00 kJ/mol   
28

4th Energy Level
4,370.00 kJ/mol   
28
6,180.00 kJ/mol   
8

5th Energy Level
5,400.00 kJ/mol   
30
Not Available   

6th Energy Level
8,520.00 kJ/mol   
19
Not Available   

Electrochemical Equivalent
2.60 g/amp-hr   
19
0.87 g/amp-hr   
99+

Electron Work Function
4.22 eV   
22
4.20 eV   
23

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

Atomic Properties

Atomic Number
83   
33
31   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p3   
[Ar] 3d10 4s2 4p1   

Crystal Structure
Rhombohedral (RHO)   
Orthorhombic (ORTH)   

Crystal Lattice
RHO-Crystal-Structure-of-Bismuth.jpg#100   
ORTH-Crystal-Structure-of-Gallium.jpg#100   

Atom
  
  

Number of Protons
83   
33
31   
99+

Number of Neutrons
126   
18
39   
99+

Number of Electrons
83   
33
31   
99+

Radius of an Atom
  
  

Atomic Radius
156.00 pm   
29
135.00 pm   
99+

Covalent Radius
148.00 pm   
36
122.00 pm   
99+

Van der Waals Radius
207.00 pm   
26
187.00 pm   
32

Atomic Weight
208.98 amu   
29
69.72 amu   
99+

Atomic Volume
21.30 cm3/mol   
14
11.80 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Lead
  
Zinc
  

Next Element
Polonium
  
Rubidium
  

Valence Electron Potential
41.90 (-eV)   
99+
69.70 (-eV)   
19

Lattice Constant
667.40 pm   
2
451.97 pm   
18

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
9.78 g/cm3   
39
5.91 g/cm3   
99+

Density When Liquid (at m.p.)
10.05 g/cm3   
18
6.10 g/cm3   
99+

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
15

Elasticity properties
  
  

Shear Modulus
12.00 GPa   
99+
Not Available   

Bulk Modulus
31.00 GPa   
38
Not Available   

Young's Modulus
32.00 GPa   
99+
9.80 GPa   
99+

Poisson Ratio
0.33   
11
0.47   
1

Other Mechanical Properties
NA   
NA   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
9.79   
30
5.91   
99+

Magnetic Ordering
Diamagnetic   
Diamagnetic   

Permeability
0.00 H/m   
6
Not Available   

Susceptibility
0.00   
6
Not Available   

Electrical Properties
  
  

Electrical Property
Semiconductor   
Semiconductor   

Resistivity
1.29 nΩ·m   
99+
270.00 nΩ·m   
15

Electrical Conductivity
0.01 106/cm Ω   
99+
0.07 106/cm Ω   
29

Electron Affinity
91.20 kJ/mol   
11
28.90 kJ/mol   
31

Thermal Properties

Specific Heat
0.12 J/(kg K)   
40
0.37 J/(kg K)   
16

Molar Heat Capacity
25.52 J/mol·K   
37
25.86 J/mol·K   
35

Thermal Conductivity
7.97 W/m·K   
99+
40.60 W/m·K   
34

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
13.40 µm/(m·K)   
28
18.00 µm/(m·K)   
24

Enthalpy
  
  

Enthalpy of Vaporization
151.00 kJ/mol   
99+
256.10 kJ/mol   
36

Enthalpy of Fusion
10.90 kJ/mol   
33
5.59 kJ/mol   
99+

Enthalpy of Atomization
207.10 kJ/mol   
99+
276.10 kJ/mol   
39

Standard Molar Entropy
56.70 J/mol.K   
24
40.80 J/mol.K   
38

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