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Cesium vs Vanadium

Cesium
Vanadium
Vanadium vs Cesium


Periodic Table
Symbol
Cs  
V  
Group Number
1  
17
5  
13
Period Number
6  
4  
Block
s block  
d block  
Element Family
Alkali  
Transition Metal  
CAS Number
7440462  
40
7440622  
27
Space Group Name
Im_ 3m  
Im_ 3m  
Space Group Number
229.00  
2
229.00  
2
Facts
Interesting Facts
Cesium is the most alkaline metal and is used in atomic clocks.  
  • Vanadium is a highly reactive metal, hence it is not found free in nature.
  • Vanadium can be found in almost 65 different types of minerals.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
Found As a By-product, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Robert Bunsen and Gustav Kirchhoff  
Andrés Manuel del Río  
Discovery
In 1860  
In 1801  
Abundance
  
  
Abundance In Universe
0.00 %  
25
0.00 %  
11
Abundance In Sun
0.00 %  
20
0.00 %  
13
Abundance In Meteorites
0.00 %  
38
0.01 %  
14
Abundance In Earth's Crust
0.00 %  
35
0.02 %  
12
Abundance In Oceans
0.00 %  
17
0.00 %  
14
Abundance In Humans
0.00 %  
20
0.00 %  
19
Uses
Uses & Benefits
  • The most common use of cesium metal is as a drilling fluid. It is also used in optical glass manufacturing.
  • In vacuum tubes and radiation monitor equipment this metal is used as a catalyst promoter.
  
  • Its ally with steel is used very tough and hence it is used in armor plates, axles, piston rods, tools and crankshafts.
  • Its oxide is used as pigments for glass and ceramics.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry  
Aerospace Industry, Automobile Industry, Chemical Industry  
Medical Uses
-  
-  
Other Uses
Alloys  
Alloys  
Biological Properties
  
  
Toxicity
Mildly Toxic  
Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.00 Blood/mg dm-3  
28
0.00 Blood/mg dm-3  
39
In Bone
0.05 p.p.m.  
31
0.00 p.p.m.  
36
Physical
Melting Point
28.50 °C  
99+
1,890.00 °C  
13
Boiling Point
678.40 °C  
99+
3,380.00 °C  
21
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gold  
Blue-Silver Grey  
Luster
-  
Metallic  
Hardness
  
  
Mohs Hardness
0.20  
27
6.70  
4
Brinell Hardness
0.14 MPa  
99+
600.00 MPa  
24
Vickers Hardness
0.14 MPa  
99+
628.00 MPa  
25
Speed of Sound
1,630.00 m/s  
99+
4,560.00 m/s  
22
Optical Properties
  
  
Refractive Index
1.93  
17
2.05  
13
Reflectivity
35.00 %  
34
61.00 %  
22
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Cs  
V  
Isotopes
  
  
Known Isotopes
36  
3
22  
17
Electronegativity
  
  
Pauling Electronegativity
0.79  
99+
1.63  
21
Sanderson Electronegativity
0.22  
99+
1.39  
21
Allred Rochow Electronegativity
0.86  
99+
1.45  
17
Mulliken-Jaffe Electronegativity
0.62  
99+
1.63  
21
Allen Electronegativity
0.66  
99+
1.53  
29
Electropositivity
  
  
Pauling Electropositivity
3.21  
2
2.37  
34
Ionization Energies
  
  
1st Energy Level
375.70 kJ/mol  
99+
650.90 kJ/mol  
99+
2nd Energy Level
2,234.30 kJ/mol  
8
1,414.00 kJ/mol  
99+
3rd Energy Level
3,400.00 kJ/mol  
16
2,830.00 kJ/mol  
36
4th Energy Level
375.70 kJ/mol  
99+
4,507.00 kJ/mol  
35
5th Energy Level
3,750.00 kJ/mol  
99+
6,298.70 kJ/mol  
38
6th Energy Level
3,750.00 kJ/mol  
99+
12,363.00 kJ/mol  
6
7th Energy level
3,750.00 kJ/mol  
99+
14,530.00 kJ/mol  
5
8th Energy Level
3,760.00 kJ/mol  
99+
16,730.00 kJ/mol  
7
9th Energy Level
3,750.00 kJ/mol  
99+
19,860.00 kJ/mol  
7
10th Energy Level
3,757.00 kJ/mol  
99+
22,240.00 kJ/mol  
12
11th Energy Level
3,757.00 kJ/mol  
99+
24,670.00 kJ/mol  
15
12th Energy Level
3,750.00 kJ/mol  
99+
29,730.00 kJ/mol  
34
13th Energy Level
3,750.00 kJ/mol  
99+
32,446.00 kJ/mol  
12
14th Energy Level
3,750.00 kJ/mol  
99+
86,450.00 kJ/mol  
1
15th Energy Level
37,500.00 kJ/mol  
99+
94,170.00 kJ/mol  
3
16th Energy Level
375.70 kJ/mol  
99+
102,300.00 kJ/mol  
3
17th Energy Level
375.70 kJ/mol  
99+
112,700.00 kJ/mol  
4
18th Energy Level
3,757.00 kJ/mol  
99+
121,600.00 kJ/mol  
5
19th Energy Level
375.70 kJ/mol  
99+
130,700.00 kJ/mol  
6
20th Energy Level
375.00 kJ/mol  
99+
143,400.00 kJ/mol  
8
21st Energy Level
375.70 kJ/mol  
99+
151,440.00 kJ/mol  
8
22nd Energy Level
375.00 kJ/mol  
99+
650.00 kJ/mol  
32
23rd Energy Level
375.70 kJ/mol  
99+
650.90 kJ/mol  
99+
24th Energy Level
375.70 kJ/mol  
99+
650.90 kJ/mol  
34
25th Energy Level
375.70 kJ/mol  
99+
650.90 kJ/mol  
36
26th Energy Level
375.70 kJ/mol  
99+
650.90 kJ/mol  
35
27th Energy Level
375.70 kJ/mol  
99+
650.90 kJ/mol  
36
28th Energy Level
375.70 kJ/mol  
99+
650.90 kJ/mol  
99+
29th Energy Level
375.70 kJ/mol  
99+
650.90 kJ/mol  
99+
30th Energy Level
375.70 kJ/mol  
99+
650.90 kJ/mol  
38
Electrochemical Equivalent
4.96 g/amp-hr  
3
0.38 g/amp-hr  
99+
Electron Work Function
2.14 eV  
99+
4.30 eV  
25
Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Radioactive Isotopes, Solubility  
Anti Corrosion, Ionization, Radioactive Isotopes  
Atomic
Atomic Number
55  
99+
23  
99+
Electron Configuration
[Xe] 6s1  
[Ar] 3d3 4s2  
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
55  
99+
23  
99+
Number of Neutrons
78  
99+
28  
99+
Number of Electrons
55  
99+
23  
99+
Radius of an Atom
  
  
Atomic Radius
265.00 pm  
2
134.00 pm  
99+
Covalent Radius
244.00 pm  
2
153.00 pm  
35
Van der Waals Radius
343.00 pm  
2
200.00 pm  
35
Atomic Weight
132.91 amu  
99+
50.94 amu  
99+
Atomic Volume
71.07 cm3/mol  
1
8.78 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Tin
  
Titanium
  
Next Element
Barium
  
Chromium
  
Valence Electron Potential
8.62 (-eV)  
99+
120.00 (-eV)  
6
Lattice Constant
614.10 pm  
5
303.00 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.87  
3
1.70  
9
Mechanical
Density
  
  
Density At Room Temperature
1.93 g/cm3  
99+
6.00 g/cm3  
99+
Density When Liquid (at m.p.)
1.84 g/cm3  
99+
5.50 g/cm3  
99+
Tensile Strength
15.00 MPa  
99+
800.00 MPa  
6
Viscosity
0.00  
25
0.00  
11
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.23 (Pa)  
16
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
47.00 GPa  
16
Bulk Modulus
1.60 GPa  
99+
160.00 GPa  
11
Young's Modulus
1.70 GPa  
99+
128.00 GPa  
17
Poisson Ratio
0.35  
9
0.37  
7
Other Mechanical Properties
Ductile  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
1.87  
99+
5.96  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
15
Susceptibility
0.00  
24
0.00  
8
Electrical Properties
  
  
Electrical Property
Semiconductor  
Superconductor  
Resistivity
205.00 nΩ·m  
17
197.00 nΩ·m  
19
Electrical Conductivity
0.05 106/cm Ω  
40
0.05 106/cm Ω  
40
Electron Affinity
45.50 kJ/mol  
30
50.60 kJ/mol  
25
Thermal
Specific Heat
0.24 J/(kg K)  
23
0.49 J/(kg K)  
10
Molar Heat Capacity
32.21 J/mol·K  
6
24.89 J/mol·K  
99+
Thermal Conductivity
35.90 W/m·K  
37
30.70 W/m·K  
40
Critical Temperature
1,938.00 K  
22
2,183.00 K  
15
Thermal Expansion
97.00 µm/(m·K)  
1
8.40 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
65.90 kJ/mol  
99+
458.60 kJ/mol  
19
Enthalpy of Fusion
2.10 kJ/mol  
99+
17.57 kJ/mol  
14
Enthalpy of Atomization
78.20 kJ/mol  
99+
514.60 kJ/mol  
17
Standard Molar Entropy
85.20 J/mol.K  
3
28.90 J/mol.K  
99+
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