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Bohrium vs Magnesium

Bohrium
Magnesium
Magnesium vs Bohrium


Periodic Table
Symbol
Bh  
Mg  
Group Number
7  
11
2  
16
Period Number
7  
3  
Block
d block  
s block  
Element Family
Transition Metal  
Alkaline Earth  
CAS Number
54037148  
12
7439954  
99+
Space Group Name
-  
P63/mmc  
Space Group Number
276.00  
1
194.00  
7
Facts
Interesting Facts
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  
  • Magnesium ions are present in every chlorophyll of every green plant .
  • Controlling Magnesium fire by pouring water on it will result in explosions.
  
Sources
Found in Minerals, Mining, Synthetically Produced  
By Electrolysis Process, In Ocean, Mining  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Joseph Black  
Discovery
In 1981  
In 1755  
Abundance
  
  
Abundance In Universe
0.00 %  
37
0.06 %  
3
Abundance In Sun
-  
0.07 %  
2
Abundance In Meteorites
0.00 %  
99+
12.00 %  
2
Abundance In Earth's Crust
0.00 %  
99+
2.90 %  
4
Abundance In Oceans
-  
0.13 %  
2
Abundance In Humans
-  
0.03 %  
5
Uses
Uses & Benefits
  • Currently known uses of Bohrium metal are limited to research purpose only.
  
  • 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
-  
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Surgical Instruments Manufacturing  
Biological Properties
  
  
Toxicity
-  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
37.80 Blood/mg dm-3  
5
In Bone
0.00 p.p.m.  
99+
1,800.00 p.p.m.  
4
Physical
Melting Point
-  
650.00 °C  
99+
Boiling Point
0.00 °C  
99+
1,107.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Gray  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
7.00  
3
2.50  
15
Brinell Hardness
270.00 MPa  
99+
260.00 MPa  
99+
Vickers Hardness
2,700.00 MPa  
4
260.00 MPa  
99+
Speed of Sound
2,680.00 m/s  
99+
4,940.00 m/s  
15
Optical Properties
  
  
Refractive Index
1.50  
36
1.49  
37
Reflectivity
59.00 %  
24
74.00 %  
9
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Bh  
Mg  
Isotopes
  
  
Known Isotopes
5  
32
15  
24
Electronegativity
  
  
Pauling Electronegativity
2.00  
8
1.31  
32
Sanderson Electronegativity
1.30  
25
1.32  
24
Allred Rochow Electronegativity
1.30  
25
1.23  
26
Mulliken-Jaffe Electronegativity
1.30  
33
1.37  
30
Allen Electronegativity
2.00  
6
1.29  
99+
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.69  
23
Ionization Energies
  
  
1st Energy Level
742.90 kJ/mol  
23
737.70 kJ/mol  
24
2nd Energy Level
1,688.50 kJ/mol  
31
1,450.70 kJ/mol  
99+
3rd Energy Level
2,566.50 kJ/mol  
99+
7,732.70 kJ/mol  
5
4th Energy Level
3,598.90 kJ/mol  
99+
10,542.50 kJ/mol  
4
5th Energy Level
4,727.80 kJ/mol  
99+
13,630.00 kJ/mol  
3
6th Energy Level
5,991.70 kJ/mol  
99+
18,020.00 kJ/mol  
3
7th Energy level
7,226.80 kJ/mol  
34
21,711.00 kJ/mol  
3
8th Energy Level
7,100.00 kJ/mol  
33
25,661.00 kJ/mol  
3
9th Energy Level
5,800.00 kJ/mol  
99+
31,653.00 kJ/mol  
3
10th Energy Level
7,100.00 kJ/mol  
35
35,458.00 kJ/mol  
5
11th Energy Level
8,200.00 kJ/mol  
25
169,988.00 kJ/mol  
1
12th Energy Level
82,700.00 kJ/mol  
4
189,368.00 kJ/mol  
1
13th Energy Level
7,100.00 kJ/mol  
29
7,370.00 kJ/mol  
24
14th Energy Level
8,200.00 kJ/mol  
17
737.70 kJ/mol  
99+
15th Energy Level
82,000.00 kJ/mol  
14
73,700.00 kJ/mol  
21
16th Energy Level
71,100.00 kJ/mol  
20
73,770.00 kJ/mol  
16
17th Energy Level
820.00 kJ/mol  
31
737.70 kJ/mol  
37
18th Energy Level
8,200.00 kJ/mol  
20
7,370.00 kJ/mol  
27
19th Energy Level
820.80 kJ/mol  
28
737.70 kJ/mol  
34
20th Energy Level
820.00 kJ/mol  
21
737.00 kJ/mol  
28
21st Energy Level
8,200.00 kJ/mol  
11
737.70 kJ/mol  
99+
22nd Energy Level
820.00 kJ/mol  
16
738.00 kJ/mol  
22
23rd Energy Level
8,200.00 kJ/mol  
8
737.70 kJ/mol  
99+
24th Energy Level
820.00 kJ/mol  
12
737.70 kJ/mol  
20
25th Energy Level
820.00 kJ/mol  
10
737.70 kJ/mol  
20
26th Energy Level
820.00 kJ/mol  
10
737.70 kJ/mol  
20
27th Energy Level
820.00 kJ/mol  
9
737.70 kJ/mol  
19
28th Energy Level
820.00 kJ/mol  
15
737.70 kJ/mol  
25
29th Energy Level
820.00 kJ/mol  
14
737.70 kJ/mol  
26
30th Energy Level
820.00 kJ/mol  
10
737.70 kJ/mol  
20
Electrochemical Equivalent
3.00 g/amp-hr  
21
0.45 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
3.66 eV  
40
Other Chemical Properties
Ionization, Radioactive Isotopes  
Corrosion, Highly Inflammable, Ionization, Solubility  
Atomic
Atomic Number
107  
11
12  
99+
Electron Configuration
[Rn] 5f14 6d5 7s2  
[Ne] 3s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Magnesium.jpg#100  
Atom
  
  
Number of Protons
107  
11
12  
99+
Number of Neutrons
155  
9
12  
99+
Number of Electrons
107  
11
12  
99+
Radius of an Atom
  
  
Atomic Radius
128.00 pm  
99+
160.00 pm  
29
Covalent Radius
141.00 pm  
99+
141.00 pm  
99+
Van der Waals Radius
0.00 pm  
99+
173.00 pm  
99+
Atomic Weight
270.00 amu  
8
24.31 amu  
99+
Atomic Volume
23.70 cm3/mol  
14
13.97 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Seaborgium
  
Sodium
  
Next Element
Hassium
  
Aluminium
  
Valence Electron Potential
27.20 (-eV)  
99+
40.00 (-eV)  
99+
Lattice Constant
-  
320.94 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.57  
99+
1.62  
15
Mechanical
Density
  
  
Density At Room Temperature
37.10 g/cm3  
3
1.74 g/cm3  
99+
Density When Liquid (at m.p.)
37.10 g/cm3  
3
1.58 g/cm3  
99+
Tensile Strength
152.00 MPa  
24
150.00 MPa  
25
Viscosity
0.00  
25
0.00  
24
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
28.00 GPa  
32
17.00 GPa  
99+
Bulk Modulus
37.00 GPa  
99+
45.00 GPa  
29
Young's Modulus
0.00 GPa  
99+
45.00 GPa  
99+
Poisson Ratio
0.35  
9
0.29  
15
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
37.00  
5
1.74  
99+
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
11
0.00 H/m  
8
Susceptibility
0.00  
24
0.00  
33
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
6.50 nΩ·m  
99+
43.90 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.23 106/cm Ω  
7
Electron Affinity
-  
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.10 J/(kg K)  
99+
1.02 J/(kg K)  
4
Molar Heat Capacity
37.10 J/mol·K  
2
24.87 J/mol·K  
99+
Thermal Conductivity
37.00 W/m·K  
36
156.00 W/m·K  
8
Critical Temperature
1,323.00 K  
99+
923.00 K  
99+
Thermal Expansion
14.30 µm/(m·K)  
28
24.80 µm/(m·K)  
15
Enthalpy
  
  
Enthalpy of Vaporization
270.50 kJ/mol  
99+
128.70 kJ/mol  
99+
Enthalpy of Fusion
-  
8.95 kJ/mol  
99+
Enthalpy of Atomization
-  
148.50 kJ/mol  
99+
Standard Molar Entropy
57.00 J/mol.K  
30
32.70 J/mol.K  
99+
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