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Osmium vs Zinc

Osmium
Zinc
Zinc vs Osmium


Periodic Table
Symbol
Os   
Zn   
Group Number
8   
10
12   
6
Period Number
6   
4   
Block
d block   
d block   
Element Family
Transition Metal   
Transition Metal   
CAS Number
7440042   
99+
7440666   
24
Space Group Name
P63/mmc   
P63/mmc   
Space Group Number
194.00   
5
194.00   
5
Facts
Interesting Facts
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  
  • 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
Found As a By-product, Found in Minerals, Mining   
Earth's crust, Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Smithson Tennant   
Indian metallurgists   
Discovery
In 1803   
Before 1000 BCE   
Abundance
  
  
Abundance In Universe
3 * 10-7 %   
21
3 * 10-5 %   
11
Abundance In Sun
~0.0000002 %   
25
~0.0002 %   
10
Abundance In Meteorites
0.00 %   
28
0.02 %   
12
Abundance In Earth's Crust
0.00 %   
99+
0.01 %   
16
Abundance In Oceans
Not Available   
0.00 %   
10
Abundance In Humans
Not Available   
0.00 %   
6
Uses
Uses & Benefits
  • Its has very limited uses and its alloys are very hard and are used in the manufacturing of pen tips, pivots, needles and electrical contacts.
  • It is also used as industrial catalyst to speed up the chemical reaction.
  
  • 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
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry   
Electrical Industry, Electronic Industry   
Medical Uses
NA   
Pharmaceutical Industry   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Highly Toxic   
Highly Toxic   
Present in Human Body
No   
Yes   
In Blood
Not Available   
7.00 Blood/mg dm-3   
6
In Bone
Not Available   
170.00 p.p.m.   
6
Physical Properties
Melting Point
3,045.00 °C   
3
419.58 °C   
99+
Boiling Point
5,027.00 °C   
6
907.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery Bluish-Gray   
Silvery Gray   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
7.00   
3
2.50   
14
Brinell Hardness
3,490.00 MPa   
1
327.00 MPa   
32
Speed of Sound
4,940.00 m/s   
11
3,850.00 m/s   
18
Optical Properties
  
  
Refractive Index
Not Available   
1.00   
2
Reflectivity
Not Available   
80.00 %   
5
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
Os   
Zn   
Isotopes
  
  
Known Isotopes
35   
4
25   
14
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
1.65   
19
Sanderson Electronegativity
Not Available   
2.23   
6
Allred Rochow Electronegativity
1.52   
12
1.66   
7
Mulliken-Jaffe Electronegativity
Not Available   
1.65   
11
Allen Electronegativity
1.65   
19
1.59   
22
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
2.35   
35
Ionization Energies
  
  
1st Energy Level
840.00 kJ/mol   
12
906.40 kJ/mol   
6
2nd Energy Level
1,309.80 kJ/mol   
99+
1,733.30 kJ/mol   
27
3rd Energy Level
1,600.00 kJ/mol   
99+
3,833.00 kJ/mol   
12
4th Energy Level
Not Available   
5,731.00 kJ/mol   
11
5th Energy Level
Not Available   
7,970.00 kJ/mol   
9
6th Energy Level
Not Available   
10,400.00 kJ/mol   
9
7th Energy level
Not Available   
12,900.00 kJ/mol   
9
8th Energy Level
Not Available   
16,800.00 kJ/mol   
6
9th Energy Level
Not Available   
19,600.00 kJ/mol   
8
10th Energy Level
Not Available   
23,000.00 kJ/mol   
10
11th Energy Level
Not Available   
26,400.00 kJ/mol   
11
12th Energy Level
Not Available   
29,990.00 kJ/mol   
11
13th Energy Level
Not Available   
40,490.00 kJ/mol   
5
14th Energy Level
Not Available   
43,800.00 kJ/mol   
6
15th Energy Level
Not Available   
47,300.00 kJ/mol   
8
16th Energy Level
Not Available   
52,300.00 kJ/mol   
9
17th Energy Level
Not Available   
55,900.00 kJ/mol   
10
18th Energy Level
Not Available   
59,700.00 kJ/mol   
11
19th Energy Level
Not Available   
67,300.00 kJ/mol   
10
20th Energy Level
Not Available   
171,200.00 kJ/mol   
1
21st Energy Level
Not Available   
179,100.00 kJ/mol   
1
Electrochemical Equivalent
1.77 g/amp-hr   
38
1.22 g/amp-hr   
99+
Electron Work Function
4.83 eV   
8
4.33 eV   
17
Other Chemical Properties
Chemical Stability, Ionization, Solubility   
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
76   
40
30   
99+
Electron Configuration
[Xe] 4f14 5d6 6s2   
[Ar] 3d10 4s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Zinc.jpg#100   
Atom
  
  
Number of Protons
76   
39
30   
99+
Number of Neutrons
114   
25
35   
99+
Number of Electrons
76   
39
30   
99+
Radius of an Atom
  
  
Atomic Radius
133.80 pm   
99+
134.00 pm   
99+
Covalent Radius
Not Available   
122.00 pm   
99+
Van der Waals Radius
216.00 pm   
24
139.00 pm   
99+
Atomic Weight
190.23 amu   
35
65.38 amu   
99+
Atomic Volume
8.49 cm3/mol   
99+
9.20 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Rhenium
  
Copper
  
Next Element
Iridium
  
Gallium
  
Valence Electron Potential
91.40 (-eV)   
12
38.90 (-eV)   
99+
Lattice Constant
273.44 pm   
99+
266.49 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.58   
14
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
22.59 g/cm3   
9
7.14 g/cm3   
99+
Density When Liquid (at m.p.)
20.00 g/cm3   
1
6.57 g/cm3   
37
Tensile Strength
1,000.00 MPa   
4
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.00 (Pa)   
28
Not Available   
Elasticity properties
  
  
Shear Modulus
222.00 GPa   
1
43.00 GPa   
18
Bulk Modulus
462.00 GPa   
1
70.00 GPa   
19
Young's Modulus
Not Available   
108.00 GPa   
19
Poisson Ratio
0.25   
24
0.25   
24
Other Mechanical Properties
Ductile   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
22.57   
2
6.90   
99+
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
81.20 nΩ·m   
35
59.00 nΩ·m   
40
Electrical Conductivity
0.11 106/cm Ω   
18
0.17 106/cm Ω   
12
Electron Affinity
106.10 kJ/mol   
9
0.00 kJ/mol   
40
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
0.39 J/(kg K)   
14
Molar Heat Capacity
24.70 J/mol·K   
99+
25.47 J/mol·K   
39
Thermal Conductivity
87.60 W/m·K   
19
116.00 W/m·K   
14
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
5.10 µm/(m·K)   
99+
30.20 µm/(m·K)   
11
Enthalpy
  
  
Enthalpy of Vaporization
627.60 kJ/mol   
7
7.32 kJ/mol   
99+
Enthalpy of Fusion
29.30 kJ/mol   
4
7.32 kJ/mol   
99+
Enthalpy of Atomization
669.00 kJ/mol   
6
129.70 kJ/mol   
99+
Standard Molar Entropy
32.60 J/mol.K   
99+
41.60 J/mol.K   
36
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