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Zinc vs Cesium


Cesium vs Zinc


Periodic Table

Symbol
Zn  
Cs  

Group Number
12  
6
1  
17

Period Number
4  
6  

Block
d block  
s block  

Element Family
Transition Metal  
Alkali  

CAS Number
7440666  
24
7440462  
40

Space Group Name
P63/mmc  
Im_ 3m  

Space Group Number
194.00  
5
229.00  
1

Facts

Interesting Facts
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.
  
Not Available  

Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  

History
  
  

Who Discovered
Indian metallurgists  
Robert Bunsen and Gustav Kirchhoff  

Discovery
Before 1000 BCE  
In 1860  

Abundance
  
  

Abundance In Universe
3 * 10-5 %  
11
8 * 10-8 %  
24

Abundance In Sun
~0.0002 %  
10
~0.0000008 %  
20

Abundance In Meteorites
0.02 %  
12
0.00 %  
38

Abundance In Earth's Crust
0.01 %  
16
0.00 %  
35

Abundance In Oceans
0.00 %  
10
0.00 %  
17

Abundance In Humans
0.00 %  
6
0.00 %  
17

Uses

Uses & Benefits
  • It is mainly used for Galvanizing other metals.
  • It is also used for manufacturing die-casting and it is very essential for automobile industry.
  
  • 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.
  

Industrial Uses
Electrical Industry, Electronic Industry  
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry  

Medical Uses
Pharmaceutical Industry  
NA  

Other Uses
Alloys  
Alloys  

Biological Properties
  
  

Toxicity
Highly Toxic  
Mildly Toxic  

Present in Human Body
Yes  
Yes  

In Blood
7.00 Blood/mg dm-3  
6
0.00 Blood/mg dm-3  
28

In Bone
170.00 p.p.m.  
6
0.05 p.p.m.  
26

Physical Properties

Melting Point
419.58 °C  
99+
28.50 °C  
99+

Boiling Point
907.00 °C  
99+
678.40 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery Gray  
Silvery Gold  

Luster
Metallic  
NA  

Hardness
  
  

Mohs Hardness
2.50  
14
0.20  
25

Brinell Hardness
327.00 MPa  
32
0.14 MPa  
99+

Speed of Sound
3,850.00 m/s  
18
Not Available  

Optical Properties
  
  

Refractive Index
1.00  
2
Not Available  

Reflectivity
80.00 %  
5
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
Zn  
Cs  

Isotopes
  
  

Known Isotopes
25  
14
36  
3

Electronegativity
  
  

Pauling Electronegativity
1.65  
19
0.79  
99+

Sanderson Electronegativity
2.23  
6
0.22  
33

Allred Rochow Electronegativity
1.66  
7
0.86  
99+

Mulliken-Jaffe Electronegativity
1.65  
11
0.62  
26

Allen Electronegativity
1.59  
22
0.66  
99+

Electropositivity
  
  

Pauling Electropositivity
2.35  
35
3.21  
2

Ionization Energies
  
  

1st Energy Level
906.40 kJ/mol  
6
375.70 kJ/mol  
99+

2nd Energy Level
1,733.30 kJ/mol  
27
2,234.30 kJ/mol  
8

3rd Energy Level
3,833.00 kJ/mol  
12
3,400.00 kJ/mol  
16

4th Energy Level
5,731.00 kJ/mol  
11
Not Available  

5th Energy Level
7,970.00 kJ/mol  
9
Not Available  

6th Energy Level
10,400.00 kJ/mol  
9
Not Available  

7th Energy level
12,900.00 kJ/mol  
9
Not Available  

8th Energy Level
16,800.00 kJ/mol  
6
Not Available  

9th Energy Level
19,600.00 kJ/mol  
8
Not Available  

10th Energy Level
23,000.00 kJ/mol  
10
Not Available  

11th Energy Level
26,400.00 kJ/mol  
11
Not Available  

12th Energy Level
29,990.00 kJ/mol  
11
Not Available  

13th Energy Level
40,490.00 kJ/mol  
5
Not Available  

14th Energy Level
43,800.00 kJ/mol  
6
Not Available  

15th Energy Level
47,300.00 kJ/mol  
8
Not Available  

16th Energy Level
52,300.00 kJ/mol  
9
Not Available  

17th Energy Level
55,900.00 kJ/mol  
10
Not Available  

18th Energy Level
59,700.00 kJ/mol  
11
Not Available  

19th Energy Level
67,300.00 kJ/mol  
10
Not Available  

20th Energy Level
171,200.00 kJ/mol  
1
Not Available  

21st Energy Level
179,100.00 kJ/mol  
1
Not Available  

Electrochemical Equivalent
1.22 g/amp-hr  
99+
4.96 g/amp-hr  
3

Electron Work Function
4.33 eV  
17
2.14 eV  
99+

Other Chemical Properties
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes  
Chemical Stability, Corrosion, Ionization, Radioactive Isotopes, Solubility  

Atomic Properties

Atomic Number
30  
99+
55  
99+

Electron Configuration
[Ar] 3d10 4s2  
[Xe] 6s1  

Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  

Crystal Lattice
HCP-Crystal-Structure-of-Zinc.jpg#100  
BCC-Crystal-Structure-.jpg#100  

Atom
  
  

Number of Protons
30  
99+
55  
99+

Number of Neutrons
35  
99+
78  
99+

Number of Electrons
30  
99+
55  
99+

Radius of an Atom
  
  

Atomic Radius
134.00 pm  
99+
265.00 pm  
1

Covalent Radius
122.00 pm  
99+
244.00 pm  
2

Van der Waals Radius
139.00 pm  
99+
343.00 pm  
2

Atomic Weight
65.38 amu  
99+
132.91 amu  
99+

Atomic Volume
9.20 cm3/mol  
99+
71.07 cm3/mol  
1

Adjacent Atomic Numbers
  
  

Previous Element
Copper
  
Tin
  

Next Element
Gallium
  
Barium
  

Valence Electron Potential
38.90 (-eV)  
99+
8.62 (-eV)  
99+

Lattice Constant
266.49 pm  
99+
614.10 pm  
5

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
7.14 g/cm3  
99+
1.93 g/cm3  
99+

Density When Liquid (at m.p.)
6.57 g/cm3  
37
1.84 g/cm3  
99+

Tensile Strength
Not Available  
Not Available  

Viscosity
Not Available  
Not Available  

Vapor Pressure
  
  

Elasticity properties
  
  

Shear Modulus
43.00 GPa  
18
Not Available  

Bulk Modulus
70.00 GPa  
19
1.60 GPa  
99+

Young's Modulus
108.00 GPa  
19
1.70 GPa  
99+

Poisson Ratio
0.25  
24
Not Available  

Other Mechanical Properties
NA  
Ductile  

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
6.90  
99+
1.87  
99+

Magnetic Ordering
Diamagnetic  
Paramagnetic  

Electrical Properties
  
  

Electrical Property
Conductor  
Semiconductor  

Resistivity
59.00 nΩ·m  
40
205.00 nΩ·m  
17

Electrical Conductivity
0.17 106/cm Ω  
12
0.05 106/cm Ω  
35

Electron Affinity
0.00 kJ/mol  
40
45.50 kJ/mol  
25

Thermal Properties

Specific Heat
0.39 J/(kg K)  
14
0.24 J/(kg K)  
23

Molar Heat Capacity
25.47 J/mol·K  
39
32.21 J/mol·K  
4

Thermal Conductivity
116.00 W/m·K  
14
35.90 W/m·K  
36

Critical Temperature
Not Available  
1,938.00 K  
5

Thermal Expansion
30.20 µm/(m·K)  
11
97.00 µm/(m·K)  
1

Enthalpy
  
  

Enthalpy of Vaporization
7.32 kJ/mol  
99+
65.90 kJ/mol  
99+

Enthalpy of Fusion
7.32 kJ/mol  
99+
2.10 kJ/mol  
99+

Enthalpy of Atomization
129.70 kJ/mol  
99+
78.20 kJ/mol  
99+

Standard Molar Entropy
41.60 J/mol.K  
36
85.20 J/mol.K  
3

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