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Tantalum vs Lithium

Tantalum
Lithium
Lithium vs Tantalum


Periodic Table
Symbol
Ta   
Li   
Group Number
5   
13
1   
17
Period Number
6   
2   
Block
d block   
s block   
Element Family
Transition Metal   
Alkali   
CAS Number
7440257   
99+
7439932   
99+
Space Group Name
Im_ 3m   
Im_ 3m   
Space Group Number
229.00   
1
229.00   
1
Facts
Interesting Facts
  • Tantalum metal is known as corrosion resistance.
  • Tantalum metal can easily fabricated and It is a good conductor of heat and electricity.
  
  • Heat capacity of Lithium is very high.
  • Lithium inflammable and highly explosive metal, hence it has to be stored properly.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining   
History
  
  
Who Discovered
Anders Gustaf Ekeberg   
Johan August Arfwedson   
Discovery
In 1802   
In 1817   
Abundance
  
  
Abundance In Universe
8 * 10-9 %   
31
6 * 10-7 %   
18
Abundance In Sun
~-9999 %   
~0.00017 %   
11
Abundance In Meteorites
0.00 %   
99+
0.00 %   
22
Abundance In Earth's Crust
0.00 %   
37
0.00 %   
99+
Abundance In Oceans
0.00 %   
31
0.00 %   
15
Abundance In Humans
Not Available   
0.00 %   
16
Uses
Uses & Benefits
  • 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.
  
  • The main usage of Lithium is manufacturing rechargeable batteries for electronic equipment and gadgets.
  • it is also used in manufacturing non-rechargeable batteries.
  
Industrial Uses
Electrical Industry, Electronic Industry   
Aerospace Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Low Toxic   
NA   
Present in Human Body
Yes   
Yes   
In Blood
Not Available   
0.00 Blood/mg dm-3   
27
In Bone
0.03 p.p.m.   
28
1.30 p.p.m.   
17
Physical Properties
Melting Point
2,996.00 °C   
4
180.54 °C   
99+
Boiling Point
5,425.00 °C   
4
1,347.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gray Blue   
Silvery White   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
6.50   
5
0.60   
21
Brinell Hardness
440.00 MPa   
28
5.00 MPa   
99+
Vickers Hardness
870.00 MPa   
12
Not Available   
Speed of Sound
3,400.00 m/s   
22
6,000.00 m/s   
3
Optical Properties
  
  
Reflectivity
78.00 %   
6
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
Ta   
Li   
Isotopes
  
  
Known Isotopes
31   
8
8   
30
Electronegativity
  
  
Pauling Electronegativity
1.50   
27
0.98   
99+
Sanderson Electronegativity
Not Available   
0.89   
26
Allred Rochow Electronegativity
1.33   
22
0.97   
38
Mulliken-Jaffe Electronegativity
Not Available   
0.97   
19
Allen Electronegativity
1.34   
33
0.91   
99+
Electropositivity
  
  
Pauling Electropositivity
2.50   
27
3.02   
8
Ionization Energies
  
  
1st Energy Level
761.00 kJ/mol   
18
520.20 kJ/mol   
99+
2nd Energy Level
1,500.00 kJ/mol   
40
7,298.10 kJ/mol   
3
3rd Energy Level
Not Available   
11,815.00 kJ/mol   
4
Electrochemical Equivalent
1.35 g/amp-hr   
99+
0.26 g/amp-hr   
99+
Electron Work Function
4.25 eV   
21
2.90 eV   
37
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Corrosion, Flammable, Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
73   
99+
3   
99+
Electron Configuration
[Xe] 4f14 5d3 6s2   
[He] 2s1   
Crystal Structure
Body Centered Cubic (BCC)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
73   
99+
3   
99+
Number of Neutrons
108   
28
4   
99+
Number of Electrons
73   
99+
3   
99+
Radius of an Atom
  
  
Atomic Radius
146.00 pm   
35
152.00 pm   
31
Covalent Radius
170.00 pm   
25
128.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
182.00 pm   
35
Atomic Weight
180.95 amu   
38
6.94 amu   
99+
Atomic Volume
10.90 cm3/mol   
99+
13.10 cm3/mol   
39
Adjacent Atomic Numbers
  
  
Previous Element
Hafnium
  
No Previous Element   
Next Element
Tungsten
  
Beryllium
  
Valence Electron Potential
110.00 (-eV)   
7
19.00 (-eV)   
99+
Lattice Constant
330.13 pm   
99+
351.00 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
16.69 g/cm3   
18
0.53 g/cm3   
99+
Density When Liquid (at m.p.)
15.00 g/cm3   
9
0.51 g/cm3   
99+
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
109.00 (Pa)   
2
Vapor Pressure at 2000 K
0.00 (Pa)   
31
Not Available   
Elasticity properties
  
  
Shear Modulus
69.00 GPa   
13
4.20 GPa   
99+
Bulk Modulus
200.00 GPa   
8
11.00 GPa   
99+
Young's Modulus
186.00 GPa   
13
4.90 GPa   
99+
Poisson Ratio
0.34   
10
Not Available   
Other Mechanical Properties
Ductile   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
16.65   
11
0.53   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
131.00 nΩ·m   
25
92.80 nΩ·m   
33
Electrical Conductivity
0.08 106/cm Ω   
27
0.11 106/cm Ω   
19
Electron Affinity
31.00 kJ/mol   
29
59.60 kJ/mol   
16
Thermal Properties
Specific Heat
0.14 J/(kg K)   
37
3.60 J/(kg K)   
1
Molar Heat Capacity
25.36 J/mol·K   
99+
24.86 J/mol·K   
99+
Thermal Conductivity
57.50 W/m·K   
27
84.80 W/m·K   
20
Critical Temperature
Not Available   
3,223.00 K   
1
Thermal Expansion
6.30 µm/(m·K)   
99+
46.00 µm/(m·K)   
7
Enthalpy
  
  
Enthalpy of Vaporization
753.10 kJ/mol   
2
134.70 kJ/mol   
99+
Enthalpy of Fusion
31.40 kJ/mol   
3
3.00 kJ/mol   
99+
Enthalpy of Atomization
782.00 kJ/mol   
3
160.70 kJ/mol   
99+
Standard Molar Entropy
41.50 J/mol.K   
37
29.10 J/mol.K   
99+
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