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Uranium Magnesium Comparison

Uranium
Magnesium
Magnesium Uranium comparison


Periodic Table
Symbol
U  
Mg  
Group Number
0  
18
2  
16
Period Number
7  
3  
Block
f block  
s block  
Element Family
Actinide  
Alkaline Earth  
CAS Number
7440611  
28
7439954  
99+
Space Group Name
Cmcm  
P63/mmc  
Space Group Number
63.00  
13
194.00  
7
Facts
Interesting Facts
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
  • Magnesium ions are present in every chlorophyll of every green plant .
  • Controlling Magnesium fire by pouring water on it will result in explosions.
  
Sources
Earth's crust, Mining, Ores of Minerals  
By Electrolysis Process, In Ocean, Mining  
History
  
  
Who Discovered
-  
Joseph Black  
Discovery
In 1789  
In 1755  
Abundance
  
  
Abundance In Universe
0.00 %  
30
0.06 %  
3
Abundance In Sun
0.00 %  
26
0.07 %  
2
Abundance In Meteorites
0.00 %  
99+
12.00 %  
2
Abundance In Earth's Crust
0.00 %  
36
2.90 %  
4
Abundance In Oceans
0.00 %  
11
0.13 %  
2
Abundance In Humans
0.00 %  
24
0.03 %  
5
Uses
Uses & Benefits
  • 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.
  
  • Magnesium aluminum alloy improves the mechanical strength and welding characteristics and hence it is used in aeroplane and car manufacturing.
  • It is also used to remove sulfur from the molten iron and steel.
  
Industrial Uses
Ammunition Industry, Chemical Industry  
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry  
Medical Uses
-  
-  
Other Uses
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  
Surgical Instruments Manufacturing  
Biological Properties
  
  
Toxicity
Toxic  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
37
37.80 Blood/mg dm-3  
5
In Bone
1.20 p.p.m.  
19
1,800.00 p.p.m.  
4
Physical
Melting Point
1,132.00 °C  
39
650.00 °C  
99+
Boiling Point
3,818.00 °C  
16
1,107.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
Gray  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
6.00  
6
2.50  
15
Brinell Hardness
2,350.00 MPa  
2
260.00 MPa  
99+
Vickers Hardness
1,960.00 MPa  
6
260.00 MPa  
99+
Speed of Sound
3,155.00 m/s  
36
4,940.00 m/s  
15
Optical Properties
  
  
Refractive Index
1.38  
40
1.49  
37
Reflectivity
80.00 %  
7
74.00 %  
9
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
U  
Mg  
Isotopes
  
  
Known Isotopes
25  
14
15  
24
Electronegativity
  
  
Pauling Electronegativity
1.38  
29
1.31  
32
Sanderson Electronegativity
1.38  
22
1.32  
24
Allred Rochow Electronegativity
1.22  
27
1.23  
26
Mulliken-Jaffe Electronegativity
1.38  
29
1.37  
30
Allen Electronegativity
1.38  
36
1.29  
99+
Electropositivity
  
  
Pauling Electropositivity
2.62  
26
2.69  
23
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol  
99+
737.70 kJ/mol  
24
2nd Energy Level
1,420.00 kJ/mol  
99+
1,450.70 kJ/mol  
99+
3rd Energy Level
1,900.00 kJ/mol  
99+
7,732.70 kJ/mol  
5
4th Energy Level
3,145.00 kJ/mol  
99+
10,542.50 kJ/mol  
4
5th Energy Level
5,976.00 kJ/mol  
99+
13,630.00 kJ/mol  
3
6th Energy Level
5,976.00 kJ/mol  
99+
18,020.00 kJ/mol  
3
7th Energy level
5,970.00 kJ/mol  
99+
21,711.00 kJ/mol  
3
8th Energy Level
5,976.00 kJ/mol  
99+
25,661.00 kJ/mol  
3
9th Energy Level
5,976.00 kJ/mol  
99+
31,653.00 kJ/mol  
3
10th Energy Level
5,976.00 kJ/mol  
99+
35,458.00 kJ/mol  
5
11th Energy Level
5,976.00 kJ/mol  
99+
169,988.00 kJ/mol  
1
12th Energy Level
5,970.00 kJ/mol  
99+
189,368.00 kJ/mol  
1
13th Energy Level
5,970.00 kJ/mol  
99+
7,370.00 kJ/mol  
24
14th Energy Level
5,970.00 kJ/mol  
34
737.70 kJ/mol  
99+
15th Energy Level
59,700.00 kJ/mol  
99+
73,700.00 kJ/mol  
21
16th Energy Level
59,700.00 kJ/mol  
35
73,770.00 kJ/mol  
16
17th Energy Level
597.60 kJ/mol  
99+
737.70 kJ/mol  
37
18th Energy Level
5,976.00 kJ/mol  
99+
7,370.00 kJ/mol  
27
19th Energy Level
597.60 kJ/mol  
99+
737.70 kJ/mol  
34
20th Energy Level
597.00 kJ/mol  
99+
737.00 kJ/mol  
28
21st Energy Level
597.60 kJ/mol  
99+
737.70 kJ/mol  
99+
22nd Energy Level
597.00 kJ/mol  
99+
738.00 kJ/mol  
22
23rd Energy Level
597.60 kJ/mol  
99+
737.70 kJ/mol  
99+
24th Energy Level
597.60 kJ/mol  
99+
737.70 kJ/mol  
20
25th Energy Level
597.60 kJ/mol  
99+
737.70 kJ/mol  
20
26th Energy Level
597.60 kJ/mol  
99+
737.70 kJ/mol  
20
27th Energy Level
597.60 kJ/mol  
99+
737.70 kJ/mol  
19
28th Energy Level
597.60 kJ/mol  
99+
737.70 kJ/mol  
25
29th Energy Level
597.60 kJ/mol  
99+
737.70 kJ/mol  
26
30th Energy Level
597.60 kJ/mol  
99+
737.70 kJ/mol  
20
Electrochemical Equivalent
1.48 g/amp-hr  
99+
0.45 g/amp-hr  
99+
Electron Work Function
3.63 eV  
99+
3.66 eV  
40
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Corrosion, Highly Inflammable, Ionization, Solubility  
Atomic
Atomic Number
92  
26
12  
99+
Electron Configuration
[Rn] 5f3 6d1 7s2  
[Ne] 3s2  
Crystal Structure
Orthorhombic (ORTH)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100  
HCP-Crystal-Structure-of-Magnesium.jpg#100  
Atom
  
  
Number of Protons
92  
26
12  
99+
Number of Neutrons
146  
14
12  
99+
Number of Electrons
92  
26
12  
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm  
31
160.00 pm  
29
Covalent Radius
196.00 pm  
14
141.00 pm  
99+
Van der Waals Radius
186.00 pm  
40
173.00 pm  
99+
Atomic Weight
238.03 amu  
21
24.31 amu  
99+
Atomic Volume
12.59 cm3/mol  
99+
13.97 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Sodium
  
Next Element
Neptunium
  
Aluminium
  
Valence Electron Potential
170.00 (-eV)  
4
40.00 (-eV)  
99+
Lattice Constant
295.08 pm  
99+
320.94 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.02  
99+
1.62  
15
Mechanical
Density
  
  
Density At Room Temperature
19.10 g/cm3  
17
1.74 g/cm3  
99+
Density When Liquid (at m.p.)
17.30 g/cm3  
17
1.58 g/cm3  
99+
Tensile Strength
100.00 MPa  
28
150.00 MPa  
25
Viscosity
0.00  
21
0.00  
24
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.01 (Pa)  
20
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
111.00 GPa  
10
17.00 GPa  
99+
Bulk Modulus
100.00 GPa  
16
45.00 GPa  
29
Young's Modulus
208.00 GPa  
11
45.00 GPa  
99+
Poisson Ratio
0.23  
30
0.29  
15
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
18.80  
19
1.74  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
16
0.00 H/m  
8
Susceptibility
0.00  
24
0.00  
33
Electrical Properties
  
  
Electrical Property
Poor Conductor  
Conductor  
Resistivity
0.28 nΩ·m  
99+
43.90 nΩ·m  
99+
Electrical Conductivity
0.04 106/cm Ω  
99+
0.23 106/cm Ω  
7
Electron Affinity
50.60 kJ/mol  
25
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.12 J/(kg K)  
99+
1.02 J/(kg K)  
4
Molar Heat Capacity
27.67 J/mol·K  
18
24.87 J/mol·K  
99+
Thermal Conductivity
27.50 W/m·K  
99+
156.00 W/m·K  
8
Critical Temperature
1,405.00 K  
99+
923.00 K  
99+
Thermal Expansion
13.90 µm/(m·K)  
30
24.80 µm/(m·K)  
15
Enthalpy
  
  
Enthalpy of Vaporization
477.00 kJ/mol  
18
128.70 kJ/mol  
99+
Enthalpy of Fusion
15.48 kJ/mol  
19
8.95 kJ/mol  
99+
Enthalpy of Atomization
489.50 kJ/mol  
18
148.50 kJ/mol  
99+
Standard Molar Entropy
50.20 J/mol.K  
99+
32.70 J/mol.K  
99+
Summary >>
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Actinide Series

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