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Magnesium vs Tantalum

Magnesium
Tantalum
Tantalum vs Magnesium


Periodic Table
Symbol
Mg  
Ta  
Group Number
2  
16
5  
13
Period Number
3  
6  
Block
s block  
d block  
Element Family
Alkaline Earth  
Transition Metal  
CAS Number
7439954  
99+
7440257  
99+
Space Group Name
P63/mmc  
Im_ 3m  
Space Group Number
194.00  
5
229.00  
1
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.
  
  • Tantalum metal is known as corrosion resistance.
  • Tantalum metal can easily fabricated and It is a good conductor of heat and electricity.
  
Sources
By Electrolysis Process, In Ocean, Mining  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Joseph Black  
Anders Gustaf Ekeberg  
Discovery
In 1755  
In 1802  
Abundance
  
  
Abundance In Universe
6 * 10-2 %  
2
8 * 10-9 %  
31
Abundance In Sun
~0.07 %  
2
~-9999 %  
Abundance In Meteorites
12.00 %  
2
0.00 %  
99+
Abundance In Earth's Crust
2.90 %  
4
0.00 %  
37
Abundance In Oceans
0.13 %  
2
0.00 %  
31
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.
  
  • Tantalum metal is mainly used in the manufacturing of electron components. Its Oxide layer acts as an insulator.
  • Tantalum metal is also used in surgical transplant like replacement of bone, skull plates and as a woven gauze.
  
Industrial Uses
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry  
Electrical Industry, Electronic Industry  
Medical Uses
NA  
NA  
Other Uses
Surgical Instruments Manufacturing  
Alloys  
Biological Properties
  
  
Toxicity
Non Toxic  
Low Toxic  
Present in Human Body
Yes  
Yes  
In Blood
37.80 Blood/mg dm-3  
5
Not Available  
In Bone
1,800.00 p.p.m.  
4
0.03 p.p.m.  
28
Physical Properties
Melting Point
650.00 °C  
99+
2,996.00 °C  
4
Boiling Point
1,107.00 °C  
99+
5,425.00 °C  
4
Appearance
  
  
Physical State
Solid  
Solid  
Color
Gray  
Gray Blue  
Luster
NA  
Metallic  
Hardness
  
  
Mohs Hardness
2.50  
14
6.50  
5
Brinell Hardness
260.00 MPa  
36
440.00 MPa  
28
Vickers Hardness
Not Available  
870.00 MPa  
12
Speed of Sound
4,940.00 m/s  
11
3,400.00 m/s  
22
Optical Properties
  
  
Reflectivity
74.00 %  
7
78.00 %  
6
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  
Ta  
Isotopes
  
  
Known Isotopes
15  
24
31  
8
Electronegativity
  
  
Pauling Electronegativity
1.31  
31
1.50  
27
Sanderson Electronegativity
1.32  
18
Not Available  
Allred Rochow Electronegativity
1.23  
25
1.33  
22
Mulliken-Jaffe Electronegativity
1.37  
16
Not Available  
Allen Electronegativity
1.29  
35
1.34  
33
Electropositivity
  
  
Pauling Electropositivity
2.69  
23
2.50  
27
Ionization Energies
  
  
1st Energy Level
737.70 kJ/mol  
24
761.00 kJ/mol  
18
2nd Energy Level
1,450.70 kJ/mol  
99+
1,500.00 kJ/mol  
40
3rd Energy Level
7,732.70 kJ/mol  
5
Not Available  
4th Energy Level
10,542.50 kJ/mol  
4
Not Available  
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+
1.35 g/amp-hr  
99+
Electron Work Function
3.66 eV  
29
4.25 eV  
21
Other Chemical Properties
Corrosion, Highly Inflammable, Ionization, Solubility  
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Atomic Properties
Atomic Number
12  
99+
73  
99+
Electron Configuration
[Ne] 3s2  
[Xe] 4f14 5d3 6s2  
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+
73  
99+
Number of Neutrons
12  
99+
108  
28
Number of Electrons
12  
99+
73  
99+
Radius of an Atom
  
  
Atomic Radius
160.00 pm  
27
146.00 pm  
35
Covalent Radius
141.00 pm  
99+
170.00 pm  
25
Van der Waals Radius
173.00 pm  
37
200.00 pm  
28
Atomic Weight
24.31 amu  
99+
180.95 amu  
38
Atomic Volume
13.97 cm3/mol  
37
10.90 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Sodium
  
Hafnium
  
Next Element
Aluminium
  
Tungsten
  
Valence Electron Potential
40.00 (-eV)  
99+
110.00 (-eV)  
7
Lattice Constant
320.94 pm  
99+
330.13 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+
16.69 g/cm3  
18
Density When Liquid (at m.p.)
1.58 g/cm3  
99+
15.00 g/cm3  
9
Tensile Strength
Not Available  
Not Available  
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available  
0.00 (Pa)  
31
Elasticity properties
  
  
Shear Modulus
17.00 GPa  
37
69.00 GPa  
13
Bulk Modulus
45.00 GPa  
25
200.00 GPa  
8
Young's Modulus
45.00 GPa  
39
186.00 GPa  
13
Poisson Ratio
0.29  
15
0.34  
10
Other Mechanical Properties
NA  
Ductile  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
1.74  
99+
16.65  
11
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
43.90 nΩ·m  
99+
131.00 nΩ·m  
25
Electrical Conductivity
0.23 106/cm Ω  
7
0.08 106/cm Ω  
27
Electron Affinity
0.00 kJ/mol  
40
31.00 kJ/mol  
29
Thermal Properties
Specific Heat
1.02 J/(kg K)  
4
0.14 J/(kg K)  
37
Molar Heat Capacity
24.87 J/mol·K  
99+
25.36 J/mol·K  
99+
Thermal Conductivity
156.00 W/m·K  
8
57.50 W/m·K  
27
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
24.80 µm/(m·K)  
15
6.30 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
128.70 kJ/mol  
99+
753.10 kJ/mol  
2
Enthalpy of Fusion
8.95 kJ/mol  
39
31.40 kJ/mol  
3
Enthalpy of Atomization
148.50 kJ/mol  
99+
782.00 kJ/mol  
3
Standard Molar Entropy
32.70 J/mol.K  
99+
41.50 J/mol.K  
37
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