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Gallium vs Uranium

Gallium
Uranium
Uranium vs Gallium


Periodic Table
Symbol
Ga  
U  
Group Number
13  
5
0  
18
Period Number
4  
7  
Block
p block  
f block  
Element Family
Post-​Transition  
Actinide  
CAS Number
7440553  
32
7440611  
28
Space Group Name
Cmca  
Cmcm  
Space Group Number
64.00  
12
63.00  
13
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.
  
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
Earth's crust, Mining, Ores of Minerals  
History
  
  
Who Discovered
Lecoq de Boisbaudran  
-  
Discovery
In 1875  
In 1789  
Abundance
  
  
Abundance In Universe
0.00 %  
17
0.00 %  
30
Abundance In Sun
0.00 %  
16
0.00 %  
26
Abundance In Meteorites
0.00 %  
16
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
24
0.00 %  
36
Abundance In Oceans
0.00 %  
22
0.00 %  
11
Abundance In Humans
0.00 %  
24
0.00 %  
24
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.
  
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
  
Industrial Uses
Electrical Industry, Electronic Industry  
Ammunition Industry, Chemical Industry  
Medical Uses
Surgical Instruments Manufacturing  
-  
Other Uses
Alloys  
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Non Toxic  
Toxic  
Present in Human Body
Yes  
No  
In Blood
0.08 Blood/mg dm-3  
13
0.00 Blood/mg dm-3  
37
In Bone
0.00 p.p.m.  
99+
1.20 p.p.m.  
19
Physical
Melting Point
29.78 °C  
99+
1,132.00 °C  
39
Boiling Point
2,403.00 °C  
99+
3,818.00 °C  
16
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery Gray  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
1.50  
19
6.00  
6
Brinell Hardness
56.80 MPa  
99+
2,350.00 MPa  
2
Vickers Hardness
111.00 MPa  
99+
1,960.00 MPa  
6
Speed of Sound
2,740.00 m/s  
99+
3,155.00 m/s  
36
Optical Properties
  
  
Refractive Index
1.81  
20
1.38  
40
Reflectivity
36.00 %  
33
80.00 %  
7
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ga  
U  
Isotopes
  
  
Known Isotopes
24  
15
25  
14
Electronegativity
  
  
Pauling Electronegativity
1.81  
16
1.38  
29
Sanderson Electronegativity
2.42  
2
1.38  
22
Allred Rochow Electronegativity
1.82  
2
1.22  
27
Mulliken-Jaffe Electronegativity
2.01  
9
1.38  
29
Allen Electronegativity
1.76  
17
1.38  
36
Electropositivity
  
  
Pauling Electropositivity
2.19  
40
2.62  
26
Ionization Energies
  
  
1st Energy Level
578.80 kJ/mol  
99+
597.60 kJ/mol  
99+
2nd Energy Level
1,979.30 kJ/mol  
13
1,420.00 kJ/mol  
99+
3rd Energy Level
2,963.00 kJ/mol  
28
1,900.00 kJ/mol  
99+
4th Energy Level
6,180.00 kJ/mol  
16
3,145.00 kJ/mol  
99+
5th Energy Level
5,787.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
6th Energy Level
5,787.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
7th Energy level
5,780.00 kJ/mol  
99+
5,970.00 kJ/mol  
99+
8th Energy Level
5,780.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
9th Energy Level
5,787.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
10th Energy Level
5,787.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
11th Energy Level
5,780.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
12th Energy Level
57,800.00 kJ/mol  
20
5,970.00 kJ/mol  
99+
13th Energy Level
5,780.00 kJ/mol  
99+
5,970.00 kJ/mol  
99+
14th Energy Level
578.00 kJ/mol  
99+
5,970.00 kJ/mol  
34
15th Energy Level
57,800.00 kJ/mol  
99+
59,700.00 kJ/mol  
99+
16th Energy Level
57,800.00 kJ/mol  
99+
59,700.00 kJ/mol  
35
17th Energy Level
578.80 kJ/mol  
99+
597.60 kJ/mol  
99+
18th Energy Level
5,787.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
19th Energy Level
578.80 kJ/mol  
99+
597.60 kJ/mol  
99+
20th Energy Level
578.00 kJ/mol  
99+
597.00 kJ/mol  
99+
21st Energy Level
578.80 kJ/mol  
99+
597.60 kJ/mol  
99+
22nd Energy Level
578.00 kJ/mol  
99+
597.00 kJ/mol  
99+
23rd Energy Level
578.80 kJ/mol  
99+
597.60 kJ/mol  
99+
24th Energy Level
578.80 kJ/mol  
99+
597.60 kJ/mol  
99+
25th Energy Level
578.00 kJ/mol  
99+
597.60 kJ/mol  
99+
26th Energy Level
578.80 kJ/mol  
99+
597.60 kJ/mol  
99+
27th Energy Level
578.80 kJ/mol  
99+
597.60 kJ/mol  
99+
28th Energy Level
578.80 kJ/mol  
99+
597.60 kJ/mol  
99+
29th Energy Level
578.80 kJ/mol  
99+
597.60 kJ/mol  
99+
30th Energy Level
578.80 kJ/mol  
99+
597.60 kJ/mol  
99+
Electrochemical Equivalent
0.87 g/amp-hr  
99+
1.48 g/amp-hr  
99+
Electron Work Function
4.20 eV  
30
3.63 eV  
99+
Other Chemical Properties
Ionization, Radioactive Isotopes  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
31  
99+
92  
26
Electron Configuration
[Ar] 3d10 4s2 4p1  
[Rn] 5f3 6d1 7s2  
Crystal Structure
Orthorhombic (ORTH)  
Orthorhombic (ORTH)  
Crystal Lattice
ORTH-Crystal-Structure-of-Gallium.jpg#100  
ORTH-Crystal-Structure-of-Uranium.jpg#100  
Atom
  
  
Number of Protons
31  
99+
92  
26
Number of Neutrons
39  
99+
146  
14
Number of Electrons
31  
99+
92  
26
Radius of an Atom
  
  
Atomic Radius
135.00 pm  
99+
156.00 pm  
31
Covalent Radius
122.00 pm  
99+
196.00 pm  
14
Van der Waals Radius
187.00 pm  
39
186.00 pm  
40
Atomic Weight
69.72 amu  
99+
238.03 amu  
21
Atomic Volume
11.80 cm3/mol  
99+
12.59 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Zinc
  
Protactinium
  
Next Element
Rubidium
  
Neptunium
  
Valence Electron Potential
69.70 (-eV)  
19
170.00 (-eV)  
4
Lattice Constant
451.97 pm  
20
295.08 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.30  
99+
1.02  
99+
Mechanical
Density
  
  
Density At Room Temperature
5.91 g/cm3  
99+
19.10 g/cm3  
17
Density When Liquid (at m.p.)
6.10 g/cm3  
99+
17.30 g/cm3  
17
Tensile Strength
41.00 MPa  
99+
100.00 MPa  
28
Viscosity
0.00  
23
0.00  
21
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
15
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.01 (Pa)  
20
Elasticity properties
  
  
Shear Modulus
7.20 GPa  
99+
111.00 GPa  
10
Bulk Modulus
37.30 GPa  
99+
100.00 GPa  
16
Young's Modulus
9.80 GPa  
99+
208.00 GPa  
11
Poisson Ratio
0.47  
1
0.23  
30
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
5.91  
99+
18.80  
19
Magnetic Ordering
Diamagnetic  
Paramagnetic  
Permeability
0.00 H/m  
11
0.00 H/m  
16
Susceptibility
0.00  
7
0.00  
24
Electrical Properties
  
  
Electrical Property
Semiconductor  
Poor Conductor  
Resistivity
270.00 nΩ·m  
15
0.28 nΩ·m  
99+
Electrical Conductivity
0.07 106/cm Ω  
34
0.04 106/cm Ω  
99+
Electron Affinity
28.90 kJ/mol  
37
50.60 kJ/mol  
25
Thermal
Specific Heat
0.37 J/(kg K)  
16
0.12 J/(kg K)  
99+
Molar Heat Capacity
25.86 J/mol·K  
99+
27.67 J/mol·K  
18
Thermal Conductivity
40.60 W/m·K  
34
27.50 W/m·K  
99+
Critical Temperature
302.00 K  
99+
1,405.00 K  
99+
Thermal Expansion
18.00 µm/(m·K)  
26
13.90 µm/(m·K)  
30
Enthalpy
  
  
Enthalpy of Vaporization
256.10 kJ/mol  
99+
477.00 kJ/mol  
18
Enthalpy of Fusion
5.59 kJ/mol  
99+
15.48 kJ/mol  
19
Enthalpy of Atomization
276.10 kJ/mol  
99+
489.50 kJ/mol  
18
Standard Molar Entropy
40.80 J/mol.K  
99+
50.20 J/mol.K  
99+
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