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Iron vs Gallium


Gallium vs Iron


Periodic Table

Symbol
Fe  
Ga  

Group Number
8  
10
13  
5

Period Number
4  
4  

Block
d block  
p block  

Element Family
Transition Metal  
Post-​Transition  

CAS Number
7439896  
99+
7440553  
32

Space Group Name
Im_ 3m  
Cmca  

Space Group Number
229.00  
2
64.00  
12

Facts

Interesting Facts
  • 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.
  
  • 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
Earth's crust, Found in Minerals  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  

History
  
  

Who Discovered
-  
Lecoq de Boisbaudran  

Discovery
Before 5000 BC  
In 1875  

Abundance
  
  

Abundance In Universe
0.11 %  
1
0.00 %  
17

Abundance In Sun
0.10 %  
1
0.00 %  
16

Abundance In Meteorites
22.00 %  
1
0.00 %  
16

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

Abundance In Oceans
0.00 %  
12
0.00 %  
22

Abundance In Humans
0.01 %  
6
0.00 %  
24

Uses

Uses & Benefits
  • 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.
  
  • 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
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Electrical Industry, Electronic Industry  

Medical Uses
Pharmaceutical Industry, Surgical Instruments Manufacturing  
Surgical Instruments Manufacturing  

Other Uses
Alloys, Sculptures, Statues  
Alloys  

Biological Properties
  
  

Toxicity
Non Toxic  
Non Toxic  

Present in Human Body
Yes  
Yes  

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

In Bone
380.00 p.p.m.  
5
0.00 p.p.m.  
99+

Physical

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

Boiling Point
2,750.00 °C  
39
2,403.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Gray  
Silvery White  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
4.00  
11
1.50  
19

Brinell Hardness
200.00 MPa  
99+
56.80 MPa  
99+

Vickers Hardness
608.00 MPa  
27
111.00 MPa  
99+

Speed of Sound
5,120.00 m/s  
12
2,740.00 m/s  
99+

Optical Properties
  
  

Refractive Index
2.60  
4
1.81  
20

Reflectivity
65.00 %  
18
36.00 %  
33

Allotropes
Yes  
No  

α Allotropes
Ferrite (alpha Iron)  
-  

β Allotropes
beta Iron  
-  

γ Allotropes
gamma Iron  
-  

Chemical

Chemical Formula
Fe  
Ga  

Isotopes
  
  

Known Isotopes
26  
13
24  
15

Electronegativity
  
  

Pauling Electronegativity
1.83  
15
1.81  
16

Sanderson Electronegativity
2.20  
8
2.42  
2

Allred Rochow Electronegativity
1.64  
9
1.82  
2

Mulliken-Jaffe Electronegativity
1.83  
16
2.01  
9

Allen Electronegativity
1.80  
15
1.76  
17

Electropositivity
  
  

Pauling Electropositivity
2.17  
99+
2.19  
40

Ionization Energies
  
  

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

2nd Energy Level
1,561.90 kJ/mol  
37
1,979.30 kJ/mol  
13

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

4th Energy Level
5,290.00 kJ/mol  
25
6,180.00 kJ/mol  
16

5th Energy Level
7,240.00 kJ/mol  
25
5,787.00 kJ/mol  
99+

6th Energy Level
9,560.00 kJ/mol  
20
5,787.00 kJ/mol  
99+

7th Energy level
12,060.00 kJ/mol  
15
5,780.00 kJ/mol  
99+

8th Energy Level
14,580.00 kJ/mol  
14
5,780.00 kJ/mol  
99+

9th Energy Level
22,540.00 kJ/mol  
5
5,787.00 kJ/mol  
99+

10th Energy Level
25,290.00 kJ/mol  
8
5,787.00 kJ/mol  
99+

11th Energy Level
28,000.00 kJ/mol  
9
5,780.00 kJ/mol  
99+

12th Energy Level
31,920.00 kJ/mol  
31
57,800.00 kJ/mol  
20

13th Energy Level
34,830.00 kJ/mol  
9
5,780.00 kJ/mol  
99+

14th Energy Level
37,840.00 kJ/mol  
11
578.00 kJ/mol  
99+

15th Energy Level
44,100.00 kJ/mol  
99+
57,800.00 kJ/mol  
99+

16th Energy Level
47,206.00 kJ/mol  
99+
57,800.00 kJ/mol  
99+

17th Energy Level
122,200.00 kJ/mol  
1
578.80 kJ/mol  
99+

18th Energy Level
131,000.00 kJ/mol  
2
5,787.00 kJ/mol  
99+

19th Energy Level
140,500.00 kJ/mol  
3
578.80 kJ/mol  
99+

20th Energy Level
152,600.00 kJ/mol  
5
578.00 kJ/mol  
99+

21st Energy Level
163,000.00 kJ/mol  
5
578.80 kJ/mol  
99+

22nd Energy Level
173,600.00 kJ/mol  
4
578.00 kJ/mol  
99+

23rd Energy Level
188,100.00 kJ/mol  
4
578.80 kJ/mol  
99+

24th Energy Level
195,200.00 kJ/mol  
1
578.80 kJ/mol  
99+

25th Energy Level
762.00 kJ/mol  
15
578.00 kJ/mol  
99+

26th Energy Level
762.50 kJ/mol  
15
578.80 kJ/mol  
99+

27th Energy Level
762.50 kJ/mol  
14
578.80 kJ/mol  
99+

28th Energy Level
762.50 kJ/mol  
20
578.80 kJ/mol  
99+

29th Energy Level
762.50 kJ/mol  
20
578.80 kJ/mol  
99+

30th Energy Level
762.00 kJ/mol  
15
578.80 kJ/mol  
99+

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

Electron Work Function
4.70 eV  
15
4.20 eV  
30

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

Atomic

Atomic Number
26  
99+
31  
99+

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

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

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

Atom
  
  

Number of Protons
26  
99+
31  
99+

Number of Neutrons
30  
99+
39  
99+

Number of Electrons
26  
99+
31  
99+

Radius of an Atom
  
  

Atomic Radius
126.00 pm  
99+
135.00 pm  
99+

Covalent Radius
132.00 pm  
99+
122.00 pm  
99+

Van der Waals Radius
200.00 pm  
35
187.00 pm  
39

Atomic Weight
55.85 amu  
99+
69.72 amu  
99+

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

Adjacent Atomic Numbers
  
  

Previous Element
Manganese
  
Zinc
  

Next Element
Cobalt
  
Rubidium
  

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

Lattice Constant
286.65 pm  
99+
451.97 pm  
20

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

Lattice C/A Ratio
1.35  
99+
1.30  
99+

Mechanical

Density
  
  

Density At Room Temperature
7.87 g/cm3  
99+
5.91 g/cm3  
99+

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

Tensile Strength
11,000.00 MPa  
1
41.00 MPa  
99+

Viscosity
0.00  
19
0.00  
23

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
30
0.00 (Pa)  
15

Vapor Pressure at 2000 K
36.80 (Pa)  
5
0.00 (Pa)  
30

Elasticity properties
  
  

Shear Modulus
82.00 GPa  
11
7.20 GPa  
99+

Bulk Modulus
170.00 GPa  
10
37.30 GPa  
99+

Young's Modulus
211.00 GPa  
9
9.80 GPa  
99+

Poisson Ratio
0.29  
15
0.47  
1

Other Mechanical Properties
Ductile, Malleable, Weldable  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
7.20  
99+
5.91  
99+

Magnetic Ordering
Ferromagnetic  
Diamagnetic  

Permeability
0.01 H/m  
1
0.00 H/m  
11

Susceptibility
200,000.00  
1
0.00  
7

Electrical Properties
  
  

Electrical Property
Conductor  
Semiconductor  

Resistivity
96.10 nΩ·m  
32
270.00 nΩ·m  
15

Electrical Conductivity
0.10 106/cm Ω  
24
0.07 106/cm Ω  
34

Electron Affinity
15.70 kJ/mol  
40
28.90 kJ/mol  
37

Thermal

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

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

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

Critical Temperature
1,811.00 K  
29
302.00 K  
99+

Thermal Expansion
11.80 µm/(m·K)  
99+
18.00 µm/(m·K)  
26

Enthalpy
  
  

Enthalpy of Vaporization
351.00 kJ/mol  
33
256.10 kJ/mol  
99+

Enthalpy of Fusion
14.90 kJ/mol  
23
5.59 kJ/mol  
99+

Enthalpy of Atomization
414.20 kJ/mol  
24
276.10 kJ/mol  
99+

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

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