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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   
10
194.00   
5
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
Not Available   
Joseph Black   
Discovery
In 1789   
In 1755   
Abundance
  
  
Abundance In Universe
2 * 10-8 %   
29
6 * 10-2 %   
2
Abundance In Sun
~0.0000001 %   
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
Not Available   
0.03 %   
4
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
NA   
NA   
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
Not Available   
37.80 Blood/mg dm-3   
5
In Bone
Not Available   
1,800.00 p.p.m.   
4
Physical Properties
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   
NA   
Hardness
  
  
Mohs Hardness
6.00   
6
2.50   
14
Brinell Hardness
2,350.00 MPa   
2
260.00 MPa   
36
Vickers Hardness
1,960.00 MPa   
2
Not Available   
Speed of Sound
3,155.00 m/s   
25
4,940.00 m/s   
11
Optical Properties
  
  
Reflectivity
Not Available   
74.00 %   
7
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
U   
Mg   
Isotopes
  
  
Known Isotopes
25   
14
15   
24
Electronegativity
  
  
Pauling Electronegativity
1.38   
28
1.31   
31
Sanderson Electronegativity
Not Available   
1.32   
18
Allred Rochow Electronegativity
1.22   
26
1.23   
25
Mulliken-Jaffe Electronegativity
Not Available   
1.37   
16
Allen Electronegativity
Not Available   
1.29   
35
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
Not Available   
13,630.00 kJ/mol   
3
6th Energy Level
Not Available   
18,020.00 kJ/mol   
3
7th Energy level
Not Available   
21,711.00 kJ/mol   
3
8th Energy Level
Not Available   
25,661.00 kJ/mol   
3
9th Energy Level
Not Available   
31,653.00 kJ/mol   
3
10th Energy Level
Not Available   
35,458.00 kJ/mol   
5
11th Energy Level
Not Available   
169,988.00 kJ/mol   
1
12th Energy Level
Not Available   
189,368.00 kJ/mol   
1
Electrochemical Equivalent
1.48 g/amp-hr   
99+
0.45 g/amp-hr   
99+
Electron Work Function
3.63 eV   
30
3.66 eV   
29
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Corrosion, Highly Inflammable, Ionization, Solubility   
Atomic Properties
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   
13
12   
99+
Number of Electrons
92   
26
12   
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
160.00 pm   
27
Covalent Radius
196.00 pm   
14
141.00 pm   
99+
Van der Waals Radius
186.00 pm   
33
173.00 pm   
37
Atomic Weight
238.03 amu   
21
24.31 amu   
99+
Atomic Volume
12.59 cm3/mol   
40
13.97 cm3/mol   
37
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
Not Available   
Not Available   
Mechanical Properties
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   
7
1.58 g/cm3   
99+
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.01 (Pa)   
20
Not Available   
Elasticity properties
  
  
Shear Modulus
111.00 GPa   
10
17.00 GPa   
37
Bulk Modulus
100.00 GPa   
16
45.00 GPa   
25
Young's Modulus
208.00 GPa   
10
45.00 GPa   
39
Poisson Ratio
0.23   
30
0.29   
15
Other Mechanical Properties
Ductile, Malleable   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
18.80   
10
1.74   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
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   
37
0.23 106/cm Ω   
7
Electron Affinity
Not Available   
0.00 kJ/mol   
40
Thermal Properties
Specific Heat
0.12 J/(kg K)   
40
1.02 J/(kg K)   
4
Molar Heat Capacity
27.67 J/mol·K   
15
24.87 J/mol·K   
99+
Thermal Conductivity
27.50 W/m·K   
40
156.00 W/m·K   
8
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
13.90 µm/(m·K)   
27
24.80 µm/(m·K)   
15
Enthalpy
  
  
Enthalpy of Vaporization
477.00 kJ/mol   
13
128.70 kJ/mol   
99+
Enthalpy of Fusion
15.48 kJ/mol   
19
8.95 kJ/mol   
39
Enthalpy of Atomization
489.50 kJ/mol   
14
148.50 kJ/mol   
99+
Standard Molar Entropy
50.20 J/mol.K   
31
32.70 J/mol.K   
99+
Summary >>
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