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Gallium Iron Comparison


Iron Gallium comparison


Periodic Table

Symbol
Ga   
Fe   

Group Number
13   
5
8   
10

Period Number
4   
4   

Block
p block   
d block   

Element Family
Post-​Transition   
Transition Metal   

CAS Number
7440553   
32
7439896   
99+

Space Group Name
Cmca   
Im_ 3m   

Space Group Number
64.00   
9
229.00   
1

Facts

Interesting Facts
  • 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.
  
  • Iron is not always magnetic in nature, its allotrope are ferromagnetic and the B allotrope is nonmagnetic.
  • The blood consists Iron in hemoglobin molecules to transfer Oxygen in the body.
  

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

History
  
  

Who Discovered
Lecoq de Boisbaudran   
Unknown   

Discovery
In 1875   
Before 5000 BC   

Abundance
  
  

Abundance In Universe
1 * 10-6 %   
16
1.1 * 10-1 %   
1

Abundance In Sun
~0.000004 %   
16
~0.1 %   
1

Abundance In Meteorites
0.00 %   
16
22.00 %   
1

Abundance In Earth's Crust
0.00 %   
24
6.30 %   
2

Abundance In Oceans
0.00 %   
22
0.00 %   
12

Abundance In Humans
Not Available   
0.01 %   
5

Uses

Uses & Benefits
  • 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.
  
  • Iron metal alloy steel is used in the application of civil engineering and manufacturing.
  • Alloys of iron with nickel, vanadium, chromium, tungsten and manganese have very useful properties.
  

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

Medical Uses
Surgical Instruments Manufacturing   
Pharmaceutical Industry, Surgical Instruments Manufacturing   

Other Uses
Alloys   
Alloys, Sculptures, Statues   

Biological Properties
  
  

Toxicity
Non Toxic   
Non Toxic   

Present in Human Body
Yes   
Yes   

In Blood
0.08 Blood/mg dm-3   
13
447.00 Blood/mg dm-3   
3

In Bone
Not Available   
380.00 p.p.m.   
5

Physical Properties

Melting Point
29.78 °C   
99+
1,535.00 °C   
25

Boiling Point
2,403.00 °C   
99+
2,750.00 °C   
37

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Gray   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
1.50   
18
4.00   
10

Brinell Hardness
56.80 MPa   
99+
200.00 MPa   
40

Vickers Hardness
Not Available   
608.00 MPa   
18

Speed of Sound
2,740.00 m/s   
31
5,120.00 m/s   
8

Optical Properties
  
  

Reflectivity
Not Available   
65.00 %   
12

Allotropes
No   
Yes   

α Allotropes
Not Available   
Ferrite (alpha Iron)   

β Allotropes
Not Available   
beta Iron   

γ Allotropes
Not Available   
gamma Iron   

Chemical Properties

Chemical Formula
Ga   
Fe   

Isotopes
  
  

Known Isotopes
24   
15
26   
13

Electronegativity
  
  

Pauling Electronegativity
1.81   
15
1.83   
14

Sanderson Electronegativity
2.42   
2
2.20   
7

Allred Rochow Electronegativity
1.82   
1
1.64   
8

Mulliken-Jaffe Electronegativity
2.01   
5
Not Available   

Allen Electronegativity
1.76   
14
1.80   
12

Electropositivity
  
  

Pauling Electropositivity
2.19   
39
2.17   
40

Ionization Energies
  
  

1st Energy Level
578.80 kJ/mol   
99+
762.50 kJ/mol   
17

2nd Energy Level
1,979.30 kJ/mol   
13
1,561.90 kJ/mol   
36

3rd Energy Level
2,963.00 kJ/mol   
28
2,957.00 kJ/mol   
29

4th Energy Level
6,180.00 kJ/mol   
8
5,290.00 kJ/mol   
16

5th Energy Level
Not Available   
7,240.00 kJ/mol   
16

6th Energy Level
Not Available   
9,560.00 kJ/mol   
14

7th Energy level
Not Available   
12,060.00 kJ/mol   
15

8th Energy Level
Not Available   
14,580.00 kJ/mol   
14

9th Energy Level
Not Available   
22,540.00 kJ/mol   
5

10th Energy Level
Not Available   
25,290.00 kJ/mol   
8

11th Energy Level
Not Available   
28,000.00 kJ/mol   
9

12th Energy Level
Not Available   
31,920.00 kJ/mol   
9

13th Energy Level
Not Available   
34,830.00 kJ/mol   
9

14th Energy Level
Not Available   
37,840.00 kJ/mol   
11

15th Energy Level
Not Available   
44,100.00 kJ/mol   
11

16th Energy Level
Not Available   
47,206.00 kJ/mol   
13

17th Energy Level
Not Available   
122,200.00 kJ/mol   
1

18th Energy Level
Not Available   
131,000.00 kJ/mol   
2

19th Energy Level
Not Available   
140,500.00 kJ/mol   
3

20th Energy Level
Not Available   
152,600.00 kJ/mol   
5

21st Energy Level
Not Available   
163,000.00 kJ/mol   
5

22nd Energy Level
Not Available   
173,600.00 kJ/mol   
4

23rd Energy Level
Not Available   
188,100.00 kJ/mol   
4

24th Energy Level
Not Available   
195,200.00 kJ/mol   
1

Electrochemical Equivalent
0.87 g/amp-hr   
99+
0.69 g/amp-hr   
99+

Electron Work Function
4.20 eV   
23
4.70 eV   
10

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

Atomic Properties

Atomic Number
31   
99+
26   
99+

Electron Configuration
[Ar] 3d10 4s2 4p1   
[Ar] 3d6 4s2   

Crystal Structure
Orthorhombic (ORTH)   
Body Centered Cubic (BCC)   

Crystal Lattice
ORTH-Crystal-Structure-of-Gallium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
31   
99+
26   
99+

Number of Neutrons
39   
99+
30   
99+

Number of Electrons
31   
99+
26   
99+

Radius of an Atom
  
  

Atomic Radius
135.00 pm   
99+
126.00 pm   
99+

Covalent Radius
122.00 pm   
99+
132.00 pm   
99+

Van der Waals Radius
187.00 pm   
32
200.00 pm   
28

Atomic Weight
69.72 amu   
99+
55.85 amu   
99+

Atomic Volume
11.80 cm3/mol   
99+
7.10 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Zinc
  
Manganese
  

Next Element
Rubidium
  
Cobalt
  

Valence Electron Potential
69.70 (-eV)   
19
67.00 (-eV)   
20

Lattice Constant
451.97 pm   
18
286.65 pm   
99+

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
5.91 g/cm3   
99+
7.87 g/cm3   
99+

Density When Liquid (at m.p.)
6.10 g/cm3   
99+
6.98 g/cm3   
35

Tensile Strength
Not Available   
11,000.00 MPa   
1

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)   
15
0.00 (Pa)   
28

Vapor Pressure at 2000 K
Not Available   
36.80 (Pa)   
5

Elasticity properties
  
  

Shear Modulus
Not Available   
82.00 GPa   
11

Bulk Modulus
Not Available   
170.00 GPa   
10

Young's Modulus
9.80 GPa   
99+
211.00 GPa   
9

Poisson Ratio
0.47   
1
0.29   
15

Other Mechanical Properties
NA   
Ductile, Malleable, Weldable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
5.91   
99+
7.20   
99+

Magnetic Ordering
Diamagnetic   
Ferromagnetic   

Permeability
Not Available   
6.3 * 10-3 H/m   
1

Susceptibility
Not Available   
2,00,000.00   
1

Electrical Properties
  
  

Electrical Property
Semiconductor   
Conductor   

Resistivity
270.00 nΩ·m   
15
96.10 nΩ·m   
32

Electrical Conductivity
0.07 106/cm Ω   
29
0.10 106/cm Ω   
20

Electron Affinity
28.90 kJ/mol   
31
15.70 kJ/mol   
34

Thermal Properties

Specific Heat
0.37 J/(kg K)   
16
0.44 J/(kg K)   
13

Molar Heat Capacity
25.86 J/mol·K   
35
25.10 J/mol·K   
99+

Thermal Conductivity
40.60 W/m·K   
34
80.40 W/m·K   
22

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
18.00 µm/(m·K)   
24
11.80 µm/(m·K)   
33

Enthalpy
  
  

Enthalpy of Vaporization
256.10 kJ/mol   
36
351.00 kJ/mol   
23

Enthalpy of Fusion
5.59 kJ/mol   
99+
14.90 kJ/mol   
22

Enthalpy of Atomization
276.10 kJ/mol   
39
414.20 kJ/mol   
19

Standard Molar Entropy
40.80 J/mol.K   
38
27.30 J/mol.K   
99+

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