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What is Zinc?
Zinc


Periodic Table
0
Symbol
Zn 0
Group Number
12 6
Period Number
4 4
Block
d block 0
Element Family
Transition Metal 0
CAS Number
7440666 24
Space Group Name
P63/mmc 0
Space Group Number
194.00 5
Facts
0
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.
0
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals 0
History
0
Who Discovered
Indian metallurgists 0
Discovery
Before 1000 BCE 0
Abundance
0
Abundance In Universe
3 * 10-5 % 11
Abundance In Sun
~0.0002 % 10
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
0
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.
0
Industrial Uses
Electrical Industry, Electronic Industry 0
Medical Uses
Pharmaceutical Industry 0
Other Uses
Alloys 0
Biological Properties
0
Toxicity
Highly Toxic 0
Present in Human Body
Yes 0
In Blood
7.00 Blood/mg dm-3 6
In Bone
170.00 p.p.m. 6
Physical
0
Melting Point
419.58 °C 65
Boiling Point
907.00 °C 70
Appearance
0
Physical State
Solid 0
Color
Silvery Gray 0
Luster
Metallic 0
Hardness
0
Mohs Hardness
2.50 14
Brinell Hardness
327.00 MPa 32
Vickers Hardness
Not Available 0
Speed of Sound
3,850.00 m/s 18
Optical Properties
0
Refractive Index
1.00 2
Reflectivity
80.00 % 5
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
Zn 0
Isotopes
0
Known Isotopes
25 14
Electronegativity
0
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
0
Pauling Electropositivity
2.35 35
Ionization Energies
0
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 11
13th Energy Level
40,490.00 kJ/mol 5
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 11
19th Energy Level
67,300.00 kJ/mol 10
20th Energy Level
171,200.00 kJ/mol 1
21st Energy Level
179,100.00 kJ/mol 1
22nd Energy Level
Not Available 0
23rd Energy Level
Not Available 0
24th Energy Level
Not Available 0
25th Energy Level
Not Available 0
26th Energy Level
Not Available 0
27th Energy Level
Not Available 0
28th Energy Level
Not Available 0
29th Energy Level
Not Available 0
30th Energy Level
Not Available 0
Electrochemical Equivalent
1.22 g/amp-hr 52
Electron Work Function
4.33 eV 17
Other Chemical Properties
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes 0
Atomic
0
Atomic Number
30 77
Electron Configuration
[Ar] 3d10 4s2 0
Crystal Structure
Hexagonal Close Packed (HCP) 0
Crystal Lattice
HCP-Crystal-Structure-of-Zinc.jpg#100 0
Atom
0
Number of Protons
30 76
Number of Neutrons
35 58
Number of Electrons
30 76
Radius of an Atom
0
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
0
Previous Element
6 0
Next Element
24 0
Valence Electron Potential
38.90 (-eV) 48
Lattice Constant
266.49 pm 68
Lattice Angles
π/2, π/2, 2 π/3 0
Lattice C/A Ratio
Not Available 0
Mechanical
0
Density
0
Density At Room Temperature
7.14 g/cm3 59
Density When Liquid (at m.p.)
6.57 g/cm3 37
Tensile Strength
Not Available 0
Viscosity
Not Available 0
Vapor Pressure
0
Vapor Pressure at 1000 K
Not Available 0
Vapor Pressure at 2000 K
Not Available 0
Elasticity properties
0
Shear Modulus
43.00 GPa 18
Bulk Modulus
70.00 GPa 19
Young's Modulus
108.00 GPa 19
Poisson Ratio
0.25 24
Other Mechanical Properties
NA 0
Magnetic
0
Magnetic Characteristics
0
Specific Gravity
6.90 49
Magnetic Ordering
Diamagnetic 0
Permeability
Not Available 0
Susceptibility
Not Available 0
Electrical Properties
0
Electrical Property
Conductor 0
Resistivity
59.00 nΩ·m 40
Electrical Conductivity
0.17 106/cm Ω 12
Electron Affinity
0.00 kJ/mol 40
Thermal
0
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 0
Thermal Expansion
30.20 µm/(m·K) 11
Enthalpy
0
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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