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Magnesium vs Uranium

Magnesium
Uranium
Uranium vs Magnesium


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   
5
63.00   
10
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   
Not Available   
Discovery
In 1755   
In 1789   
Abundance
  
  
Abundance In Universe
6 * 10-2 %   
2
2 * 10-8 %   
29
Abundance In Sun
~0.07 %   
2
~0.0000001 %   
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 %   
4
Not Available   
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
NA   
NA   
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
Not Available   
In Bone
1,800.00 p.p.m.   
4
Not Available   
Physical Properties
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
NA   
Metallic   
Hardness
  
  
Mohs Hardness
2.50   
14
6.00   
6
Brinell Hardness
260.00 MPa   
36
2,350.00 MPa   
2
Vickers Hardness
Not Available   
1,960.00 MPa   
2
Speed of Sound
4,940.00 m/s   
11
3,155.00 m/s   
25
Optical Properties
  
  
Reflectivity
74.00 %   
7
Not Available   
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Mg   
U   
Isotopes
  
  
Known Isotopes
15   
24
25   
14
Electronegativity
  
  
Pauling Electronegativity
1.31   
31
1.38   
28
Sanderson Electronegativity
1.32   
18
Not Available   
Allred Rochow Electronegativity
1.23   
25
1.22   
26
Mulliken-Jaffe Electronegativity
1.37   
16
Not Available   
Allen Electronegativity
1.29   
35
Not Available   
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
Not Available   
6th Energy Level
18,020.00 kJ/mol   
3
Not Available   
7th Energy level
21,711.00 kJ/mol   
3
Not Available   
8th Energy Level
25,661.00 kJ/mol   
3
Not Available   
9th Energy Level
31,653.00 kJ/mol   
3
Not Available   
10th Energy Level
35,458.00 kJ/mol   
5
Not Available   
11th Energy Level
169,988.00 kJ/mol   
1
Not Available   
12th Energy Level
189,368.00 kJ/mol   
1
Not Available   
Electrochemical Equivalent
0.45 g/amp-hr   
99+
1.48 g/amp-hr   
99+
Electron Work Function
3.66 eV   
29
3.63 eV   
30
Other Chemical Properties
Corrosion, Highly Inflammable, Ionization, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
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   
13
Number of Electrons
12   
99+
92   
26
Radius of an Atom
  
  
Atomic Radius
160.00 pm   
27
156.00 pm   
29
Covalent Radius
141.00 pm   
99+
196.00 pm   
14
Van der Waals Radius
173.00 pm   
37
186.00 pm   
33
Atomic Weight
24.31 amu   
99+
238.03 amu   
21
Atomic Volume
13.97 cm3/mol   
37
12.59 cm3/mol   
40
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
Not Available   
Not Available   
Mechanical Properties
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   
7
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available   
0.01 (Pa)   
20
Elasticity properties
  
  
Shear Modulus
17.00 GPa   
37
111.00 GPa   
10
Bulk Modulus
45.00 GPa   
25
100.00 GPa   
16
Young's Modulus
45.00 GPa   
39
208.00 GPa   
10
Poisson Ratio
0.29   
15
0.23   
30
Other Mechanical Properties
NA   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
1.74   
99+
18.80   
10
Magnetic Ordering
Paramagnetic   
Paramagnetic   
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   
37
Electron Affinity
0.00 kJ/mol   
40
Not Available   
Thermal Properties
Specific Heat
1.02 J/(kg K)   
4
0.12 J/(kg K)   
40
Molar Heat Capacity
24.87 J/mol·K   
99+
27.67 J/mol·K   
15
Thermal Conductivity
156.00 W/m·K   
8
27.50 W/m·K   
40
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
24.80 µm/(m·K)   
15
13.90 µm/(m·K)   
27
Enthalpy
  
  
Enthalpy of Vaporization
128.70 kJ/mol   
99+
477.00 kJ/mol   
13
Enthalpy of Fusion
8.95 kJ/mol   
39
15.48 kJ/mol   
19
Enthalpy of Atomization
148.50 kJ/mol   
99+
489.50 kJ/mol   
14
Standard Molar Entropy
32.70 J/mol.K   
99+
50.20 J/mol.K   
31
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