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Magnesium vs Seaborgium

Magnesium
Seaborgium
Seaborgium vs Magnesium


Periodic Table
Symbol
Mg  
Sg  
Group Number
2  
16
6  
12
Period Number
3  
7  
Block
s block  
d block  
Element Family
Alkaline Earth  
Transition Metal  
CAS Number
7439954  
99+
54038812  
9
Space Group Name
P63/mmc  
-  
Space Group Number
194.00  
7
166.00  
9
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.
  
  • Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
  • And other isotopes of Seaborgium have half-lives as short as 3 ms.
  
Sources
By Electrolysis Process, In Ocean, Mining  
Synthetically Produced  
History
  
  
Who Discovered
Joseph Black  
Lawrence Berkeley National Laboratory  
Discovery
In 1755  
In 1974  
Abundance
  
  
Abundance In Universe
0.06 %  
3
0.00 %  
40
Abundance In Sun
0.07 %  
2
-  
Abundance In Meteorites
12.00 %  
2
-  
Abundance In Earth's Crust
2.90 %  
4
-  
Abundance In Oceans
0.13 %  
2
-  
Abundance In Humans
0.03 %  
5
-  
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.
  
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  
Industrial Uses
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry  
-  
Medical Uses
-  
-  
Other Uses
Surgical Instruments Manufacturing  
Research Purposes  
Biological Properties
  
  
Toxicity
Non Toxic  
-  
Present in Human Body
Yes  
No  
In Blood
37.80 Blood/mg dm-3  
5
0.00 Blood/mg dm-3  
27
In Bone
1,800.00 p.p.m.  
4
0.00 p.p.m.  
99+
Physical
Melting Point
650.00 °C  
99+
-  
Boiling Point
1,107.00 °C  
99+
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Gray  
-  
Luster
-  
Unknown Luster  
Hardness
  
  
Mohs Hardness
2.50  
15
6.00  
6
Brinell Hardness
260.00 MPa  
99+
400.00 MPa  
34
Vickers Hardness
260.00 MPa  
99+
520.00 MPa  
33
Speed of Sound
4,940.00 m/s  
15
3,200.00 m/s  
35
Optical Properties
  
  
Refractive Index
1.49  
37
1.30  
99+
Reflectivity
74.00 %  
9
68.00 %  
15
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Mg  
Sg  
Isotopes
  
  
Known Isotopes
15  
24
9  
29
Electronegativity
  
  
Pauling Electronegativity
1.31  
32
0.00  
99+
Sanderson Electronegativity
1.32  
24
1.90  
13
Allred Rochow Electronegativity
1.23  
26
1.30  
25
Mulliken-Jaffe Electronegativity
1.37  
30
1.30  
33
Allen Electronegativity
1.29  
99+
1.90  
8
Electropositivity
  
  
Pauling Electropositivity
2.69  
23
2.20  
39
Ionization Energies
  
  
1st Energy Level
737.70 kJ/mol  
24
757.40 kJ/mol  
21
2nd Energy Level
1,450.70 kJ/mol  
99+
1,732.90 kJ/mol  
29
3rd Energy Level
7,732.70 kJ/mol  
5
2,483.50 kJ/mol  
99+
4th Energy Level
10,542.50 kJ/mol  
4
3,415.60 kJ/mol  
99+
5th Energy Level
13,630.00 kJ/mol  
3
4,561.80 kJ/mol  
99+
6th Energy Level
18,020.00 kJ/mol  
3
5,715.80 kJ/mol  
99+
7th Energy level
21,711.00 kJ/mol  
3
5,700.00 kJ/mol  
99+
8th Energy Level
25,661.00 kJ/mol  
3
5,700.00 kJ/mol  
99+
9th Energy Level
31,653.00 kJ/mol  
3
5,710.00 kJ/mol  
99+
10th Energy Level
35,458.00 kJ/mol  
5
6,270.00 kJ/mol  
99+
11th Energy Level
169,988.00 kJ/mol  
1
6,600.00 kJ/mol  
39
12th Energy Level
189,368.00 kJ/mol  
1
971.00 kJ/mol  
99+
13th Energy Level
7,370.00 kJ/mol  
24
5,700.00 kJ/mol  
99+
14th Energy Level
737.70 kJ/mol  
99+
5,700.00 kJ/mol  
99+
15th Energy Level
73,700.00 kJ/mol  
21
54,000.00 kJ/mol  
99+
16th Energy Level
73,770.00 kJ/mol  
16
64,000.00 kJ/mol  
27
17th Energy Level
737.70 kJ/mol  
37
579.80 kJ/mol  
99+
18th Energy Level
7,370.00 kJ/mol  
27
3,300.00 kJ/mol  
99+
19th Energy Level
737.70 kJ/mol  
34
579.80 kJ/mol  
99+
20th Energy Level
737.00 kJ/mol  
28
579.00 kJ/mol  
99+
21st Energy Level
737.70 kJ/mol  
99+
6,270.00 kJ/mol  
14
22nd Energy Level
738.00 kJ/mol  
22
573.00 kJ/mol  
99+
23rd Energy Level
737.70 kJ/mol  
99+
5,790.00 kJ/mol  
22
24th Energy Level
737.70 kJ/mol  
20
971.00 kJ/mol  
4
25th Energy Level
737.70 kJ/mol  
20
0.00 kJ/mol  
99+
26th Energy Level
737.70 kJ/mol  
20
579.10 kJ/mol  
99+
27th Energy Level
737.70 kJ/mol  
19
870.00 kJ/mol  
7
28th Energy Level
737.70 kJ/mol  
25
870.00 kJ/mol  
10
29th Energy Level
737.70 kJ/mol  
26
761.90 kJ/mol  
21
30th Energy Level
737.70 kJ/mol  
20
0.00 kJ/mol  
99+
Electrochemical Equivalent
0.45 g/amp-hr  
99+
3.20 g/amp-hr  
14
Electron Work Function
3.66 eV  
40
6.00 eV  
1
Other Chemical Properties
Corrosion, Highly Inflammable, Ionization, Solubility  
-  
Atomic
Atomic Number
12  
99+
106  
12
Electron Configuration
[Ne] 3s2  
[Rn] 5f14 6d2 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  
Crystal Lattice
HCP-Crystal-Structure-of-Magnesium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
12  
99+
106  
12
Number of Neutrons
12  
99+
157  
8
Number of Electrons
12  
99+
106  
12
Radius of an Atom
  
  
Atomic Radius
160.00 pm  
29
132.00 pm  
99+
Covalent Radius
141.00 pm  
99+
143.00 pm  
99+
Van der Waals Radius
173.00 pm  
99+
230.00 pm  
24
Atomic Weight
24.31 amu  
99+
269.00 amu  
9
Atomic Volume
13.97 cm3/mol  
99+
35.00 cm3/mol  
8
Adjacent Atomic Numbers
  
  
Previous Element
Sodium
  
Dubnium
  
Next Element
Aluminium
  
Bohrium
  
Valence Electron Potential
40.00 (-eV)  
99+
6.10 (-eV)  
99+
Lattice Constant
320.94 pm  
99+
-  
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.62  
15
1.36  
99+
Mechanical
Density
  
  
Density At Room Temperature
1.74 g/cm3  
99+
35.00 g/cm3  
4
Density When Liquid (at m.p.)
1.58 g/cm3  
99+
35.00 g/cm3  
4
Tensile Strength
150.00 MPa  
25
30.00 MPa  
99+
Viscosity
0.00  
24
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
99+
Elasticity properties
  
  
Shear Modulus
17.00 GPa  
99+
30.00 GPa  
27
Bulk Modulus
45.00 GPa  
29
0.00 GPa  
99+
Young's Modulus
45.00 GPa  
99+
12.60 GPa  
99+
Poisson Ratio
0.29  
15
0.25  
24
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
1.74  
99+
35.00  
6
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
8
0.00 H/m  
7
Susceptibility
0.00  
33
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
43.90 nΩ·m  
99+
0.38 nΩ·m  
99+
Electrical Conductivity
0.23 106/cm Ω  
7
0.00 106/cm Ω  
99+
Electron Affinity
0.00 kJ/mol  
99+
50.00 kJ/mol  
26
Thermal
Specific Heat
1.02 J/(kg K)  
4
0.27 J/(kg K)  
19
Molar Heat Capacity
24.87 J/mol·K  
99+
35.00 J/mol·K  
5
Thermal Conductivity
156.00 W/m·K  
8
0.14 W/m·K  
99+
Critical Temperature
923.00 K  
99+
1,200.00 K  
99+
Thermal Expansion
24.80 µm/(m·K)  
15
11.00 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
128.70 kJ/mol  
99+
585.00 kJ/mol  
10
Enthalpy of Fusion
8.95 kJ/mol  
99+
-  
Enthalpy of Atomization
148.50 kJ/mol  
99+
650.00 kJ/mol  
8
Standard Molar Entropy
32.70 J/mol.K  
99+
42.70 J/mol.K  
99+
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