Symbol
Zn
  
Zn
  
Period Number
4
  
4
  
Block
d block
  
d block
  
Element Family
Transition Metal
  
Transition Metal
  
Space Group Name
P63/mmc
  
P63/mmc
  
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.
  
- 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
  
Earth's crust, Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Indian metallurgists
  
Indian metallurgists
  
Discovery
Before 1000 BCE
  
Before 1000 BCE
  
Abundance
  
  
Abundance In Earth's Crust
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.
  
- 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
  
Electrical Industry, Electronic Industry
  
Medical Uses
Pharmaceutical Industry
  
Pharmaceutical Industry
  
Other Uses
Alloys
  
Alloys
  
Biological Properties
  
  
Toxicity
Highly Toxic
  
Highly Toxic
  
Present in Human Body
Yes
  
Yes
  
In Blood
7.00 Blood/mg dm-3
  
6
7.00 Blood/mg dm-3
  
6
In Bone
170.00 p.p.m.
  
6
170.00 p.p.m.
  
6
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Silvery Gray
  
Silvery Gray
  
Luster
Metallic
  
Metallic
  
Hardness
  
  
Speed of Sound
3,850.00 m/s
  
18
3,850.00 m/s
  
18
Optical Properties
  
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
Zn
  
Zn
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
906.40 kJ/mol
  
6
906.40 kJ/mol
  
6
2nd Energy Level
1,733.30 kJ/mol
  
27
1,733.30 kJ/mol
  
27
3rd Energy Level
3,833.00 kJ/mol
  
12
3,833.00 kJ/mol
  
12
4th Energy Level
5,731.00 kJ/mol
  
11
5,731.00 kJ/mol
  
11
5th Energy Level
7,970.00 kJ/mol
  
9
7,970.00 kJ/mol
  
9
6th Energy Level
10,400.00 kJ/mol
  
9
10,400.00 kJ/mol
  
9
7th Energy level
12,900.00 kJ/mol
  
9
12,900.00 kJ/mol
  
9
8th Energy Level
16,800.00 kJ/mol
  
6
16,800.00 kJ/mol
  
6
9th Energy Level
19,600.00 kJ/mol
  
8
19,600.00 kJ/mol
  
8
10th Energy Level
23,000.00 kJ/mol
  
10
23,000.00 kJ/mol
  
10
11th Energy Level
26,400.00 kJ/mol
  
11
26,400.00 kJ/mol
  
11
12th Energy Level
29,990.00 kJ/mol
  
11
29,990.00 kJ/mol
  
11
13th Energy Level
40,490.00 kJ/mol
  
5
40,490.00 kJ/mol
  
5
14th Energy Level
43,800.00 kJ/mol
  
6
43,800.00 kJ/mol
  
6
15th Energy Level
47,300.00 kJ/mol
  
8
47,300.00 kJ/mol
  
8
16th Energy Level
52,300.00 kJ/mol
  
9
52,300.00 kJ/mol
  
9
17th Energy Level
55,900.00 kJ/mol
  
10
55,900.00 kJ/mol
  
10
18th Energy Level
59,700.00 kJ/mol
  
11
59,700.00 kJ/mol
  
11
19th Energy Level
67,300.00 kJ/mol
  
10
67,300.00 kJ/mol
  
10
20th Energy Level
171,200.00 kJ/mol
  
1
171,200.00 kJ/mol
  
1
21st Energy Level
179,100.00 kJ/mol
  
1
179,100.00 kJ/mol
  
1
Electrochemical Equivalent
1.22 g/amp-hr
  
99+
1.22 g/amp-hr
  
99+
Other Chemical Properties
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes
  
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes
  
Electron Configuration
[Ar] 3d10 4s2
  
[Ar] 3d10 4s2
  
Crystal Structure
Hexagonal Close Packed (HCP)
  
Hexagonal Close Packed (HCP)
  
Crystal Lattice
HCP-Crystal-Structure-of-Zinc.jpg#100
  
HCP-Crystal-Structure-of-Zinc.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Atomic Volume
9.20 cm3/mol
  
99+
9.20 cm3/mol
  
99+
Adjacent Atomic Numbers
  
  
Valence Electron Potential
38.90 (-eV)
  
99+
38.90 (-eV)
  
99+
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, 2 π/3
  
Lattice C/A Ratio
Not Available
  
Not Available
  
Density
  
  
Density At Room Temperature
7.14 g/cm
3
  
99+
7.14 g/cm
3
  
99+
Density When Liquid (at m.p.)
Tensile Strength
Not Available
  
Not Available
  
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Elasticity properties
  
  
Other Mechanical Properties
NA
  
NA
  
Magnetic Characteristics
  
  
Magnetic Ordering
Diamagnetic
  
Diamagnetic
  
Electrical Properties
  
  
Electrical Property
Conductor
  
Conductor
  
Electrical Conductivity
0.17 10
6/cm Ω
  
12
0.17 10
6/cm Ω
  
12
Electron Affinity
0.00 kJ/mol
  
40
0.00 kJ/mol
  
40
Specific Heat
0.39 J/(kg K)
  
14
0.39 J/(kg K)
  
14
Molar Heat Capacity
25.47 J/mol·K
  
39
25.47 J/mol·K
  
39
Thermal Conductivity
116.00 W/m·K
  
14
116.00 W/m·K
  
14
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
30.20 µm/(m·K)
  
11
30.20 µm/(m·K)
  
11
Enthalpy
  
  
Enthalpy of Vaporization
7.32 kJ/mol
  
99+
7.32 kJ/mol
  
99+
Enthalpy of Fusion
7.32 kJ/mol
  
99+
7.32 kJ/mol
  
99+
Enthalpy of Atomization
129.70 kJ/mol
  
99+
129.70 kJ/mol
  
99+
Standard Molar Entropy
41.60 J/mol.K
  
36
41.60 J/mol.K
  
36