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Magnesium Uranium Comparison

Magnesium
Uranium
Uranium Magnesium comparison


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