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What is Zinc?

Zinc In Periodic Table

Zinc Symbol
Zn

Group Number
12
6
📊

Period Number
4
📊

Block
d block
📊

Element Family
Transition Metal
📊

CAS Number of Zinc
7440666
24

Space Group Name
P63/mmc

Space Group Number
194.00
5
📊

Facts about Zinc

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.

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

History of Zinc

Who Discovered
Indian metallurgists

Discovery
Before 1000 BCE

Abundance of Zinc

Abundance In Universe
0.00 %
11
📊

Abundance In Sun
0.00 %
11
📊

Abundance In Meteorites
0.02 %
12
📊

Abundance In Earth's Crust
0.01 %
16
📊

Abundance In Oceans
0.00 %
10
📊

Abundance In Humans
0.00 %
6
📊

Uses of Zinc

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.

Industrial Uses
Electrical Industry, Electronic Industry

Medical Uses
Pharmaceutical Industry

Other Uses
Alloys

Biological Properties

Toxicity
Highly Toxic
📊

Present in Human Body
📊

In Blood
7.00 Blood/mg dm-3
6

In Bone
170.00 p.p.m.
6

Physical Properties of Zinc

Zinc Melting Point
419.58 °C
65
📊

Zinc Boiling Point
907.00 °C
70
📊

Appearance of Zinc

Physical State
Solid
📊

Color
Silvery Gray

Luster
Metallic
📊

Hardness of Zinc

Mohs Hardness
2.50
14
📊

Brinell Hardness
327.00 MPa
32
📊

Vickers Hardness
Not Available

Speed of Sound
3,850.00 m/s
18
📊

Optical Properties

Refractive Index
1.00
2
📊

Reflectivity
80.00 %
5
📊

Allotropes

α Allotropes
Not Available

β Allotropes
Not Available

γ Allotropes
Not Available

Chemical Properties of Zinc

Chemical Formula
Zn

Isotopes of Zinc

Known Isotopes
25
14
📊

Electronegativity

Pauling Electronegativity
1.65
19
📊

Sanderson Electronegativity
2.23
6
📊

Allred Rochow Electronegativity
1.66
7
📊

Mulliken-Jaffe Electronegativity
1.65
11
📊

Allen Electronegativity
1.59
22
📊

Electropositivity

Pauling Electropositivity
2.35
35
📊

Ionization Energies

1st Energy Level
906.40 kJ/mol
6
📊

2nd Energy Level
1,733.30 kJ/mol
27
📊

3rd Energy Level
3,833.00 kJ/mol
12
📊

4th Energy Level
5,731.00 kJ/mol
11
📊

5th Energy Level
7,970.00 kJ/mol
9
📊

6th Energy Level
10,400.00 kJ/mol
9
📊

7th Energy level
12,900.00 kJ/mol
9
📊

8th Energy Level
16,800.00 kJ/mol
6
📊

9th Energy Level
19,600.00 kJ/mol
8
📊

10th Energy Level
23,000.00 kJ/mol
10
📊

11th Energy Level
26,400.00 kJ/mol
11

12th Energy Level
29,990.00 kJ/mol
12

13th Energy Level
40,490.00 kJ/mol
6

14th Energy Level
43,800.00 kJ/mol
6

15th Energy Level
47,300.00 kJ/mol
8

16th Energy Level
52,300.00 kJ/mol
9

17th Energy Level
55,900.00 kJ/mol
10

18th Energy Level
59,700.00 kJ/mol
12
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19th Energy Level
67,300.00 kJ/mol
12

20th Energy Level
171,200.00 kJ/mol
3

21st Energy Level
179,100.00 kJ/mol
3

22nd Energy Level
Not Available

23rd Energy Level
Not Available

24th Energy Level
Not Available

25th Energy Level
Not Available

26th Energy Level
Not Available

27th Energy Level
Not Available

28th Energy Level
Not Available

29th Energy Level
Not Available

30th Energy Level
Not Available

Electrochemical Equivalent
1.22 g/amp-hr
52
📊

Electron Work Function
4.33 eV
17
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Other Chemical Properties
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes

Atomic Properties of Zinc

Atomic Number of Zinc
30
77
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Zinc Electron Configuration
[Ar] 3d10 4s2

Crystal Structure
Hexagonal Close Packed (HCP)
📊

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

Atom of Zinc

Number of Protons
30
76
📊

Number of Neutrons
35
59
📊

Number of Electrons
30
76
📊

Radius of an Atom

Atomic Radius
134.00 pm
43
📊

Covalent Radius
122.00 pm
52
📊

Van der Waals Radius
139.00 pm
45
📊

Atomic Weight
65.38 amu
71
📊

Atomic Volume
9.20 cm3/mol
52
📊

Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential
38.90 (-eV)
48
📊

Lattice Constant
266.49 pm
68
📊

Lattice Angles
π/2, π/2, 2 π/3

Lattice C/A Ratio
Not Available

Mechanical Properties of Zinc

Zinc Density

Density At Room Temperature
7.14 g/cm3
59
📊

Density When Liquid (at m.p.)
6.57 g/cm3
37
📊

Tensile Strength
Not Available

Viscosity
Not Available

Vapor Pressure of Zinc

Vapor Pressure at 1000 K
Not Available

Vapor Pressure at 2000 K
Not Available

Elasticity properties

Shear Modulus
43.00 GPa
18
📊

Bulk Modulus
70.00 GPa
19
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Young's Modulus
108.00 GPa
19
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Poisson Ratio
0.25
24
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Other Mechanical Properties
NA

Magnetic Properties of Zinc

Magnetic Characteristics of Zinc

Specific Gravity
6.90
49
📊

Magnetic Ordering
Diamagnetic
📊

Permeability
Not Available

Susceptibility
Not Available

Electrical Properties

Electrical Property
Conductor
📊

Resistivity
59.00 nΩ·m
40
📊

Electrical Conductivity
0.17 106/cm Ω
12
📊

Electron Affinity
0.00 kJ/mol
40
📊

Thermal Properties of Zinc

Specific Heat
0.39 J/(kg K)
14
📊

Molar Heat Capacity
25.47 J/mol·K
39
📊

Thermal Conductivity
116.00 W/m·K
14
📊

Critical Temperature
Not Available

Thermal Expansion
30.20 µm/(m·K)
11
📊

Enthalpy of Zinc

Enthalpy of Vaporization
7.32 kJ/mol
60
📊

Enthalpy of Fusion
7.32 kJ/mol
44
📊

Enthalpy of Atomization
129.70 kJ/mol
55
📊

Standard Molar Entropy
41.60 J/mol.K
36
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