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Properties of Osmium and Nickel

Osmium
Nickel
Properties of Nickel & Osmium


Physical Properties
Melting Point
3,045.00 °C   
3
1,453.00 °C   
31
Boiling Point
5,027.00 °C   
6
2,732.00 °C   
38
Hardness
  
  
Mohs Hardness
7.00   
3
4.00   
10
Brinell Hardness
3,490.00 MPa   
1
667.00 MPa   
18
Vickers Hardness
Not Available   
638.00 MPa   
16
Optical Properties
  
  
Refractive Index
Not Available   
Not Available   
Reflectivity
Not Available   
72.00 %   
9
Speed of Sound
4,940.00 m/s   
11
4,900.00 m/s   
12
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   
Ni   
Isotopes
  
  
Known Isotopes
35   
4
25   
14
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
1.91   
10
Sanderson Electronegativity
Not Available   
1.94   
10
Allred Rochow Electronegativity
1.52   
12
1.75   
3
Mulliken-Jaffe Electronegativity
Not Available   
Not Available   
Allen Electronegativity
1.65   
19
1.88   
6
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
2.09   
99+
Ionization Energies
  
  
1st Energy Level
840.00 kJ/mol   
12
737.10 kJ/mol   
25
2nd Energy Level
1,309.80 kJ/mol   
99+
1,753.00 kJ/mol   
25
3rd Energy Level
1,600.00 kJ/mol   
99+
3,395.00 kJ/mol   
17
Electrochemical Equivalent
1.77 g/amp-hr   
38
1.10 g/amp-hr   
99+
Electron Work Function
4.83 eV   
8
5.15 eV   
2
Other Chemical Properties
?
Stable metals are non radioactive metals and have zero valence electrons in the outer shell.Chemical Stability, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility   
?
Anti-corrosion metals have the protection on their surfaces which protect them from corroding in corrosive environments.Anti Corrosion, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes   
Mechanical Properties
Density
  
  
Density At Room Temperature
22.59 g/cm3   
9
8.91 g/cm3   
99+
Density When Liquid (at m.p.)
20.00 g/cm3   
1
7.81 g/cm3   
29
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
31
Vapor Pressure at 2000 K
0.00 (Pa)   
28
19.50 (Pa)   
6
Tensile Strength
1,000.00 MPa   
4
345.00 MPa   
11
Viscosity
Not Available   
Not Available   
Elasticity properties
  
  
Shear Modulus
222.00 GPa   
1
76.00 GPa   
12
Bulk Modulus
462.00 GPa   
1
180.00 GPa   
9
Young's Modulus
Not Available   
200.00 GPa   
11
Poisson Ratio
0.25   
24
0.31   
13
Other Mechanical Properties
?
Ductility of metals defines their ability to deform under tensile stress; this is often characterized by the metals ability to be stretched into a wire.Ductile   
?
Ductility of metals defines their ability to deform under tensile stress; this is often characterized by the metals ability to be stretched into a wire.Ductile   
Periodic Table
Symbol
Os   
Ni   
Group Number
8   
10
10   
8
Period Number
6   
4   
Block
?
The d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d block   
?
The d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d block   
Element Family
?
What is Transition Metal? All transition metals are placed under the d-block from group number 3 to 12. Transition metals show characteristics like malleability, ductility and are good conductor of electricity.Transition Metal   
?
What is Transition Metal? All transition metals are placed under the d-block from group number 3 to 12. Transition metals show characteristics like malleability, ductility and are good conductor of electricity.Transition Metal   
Atomic Properties
Atomic Number
76   
40
28   
99+
Atomic Weight
190.23 amu   
35
58.69 amu   
99+
Atomic Volume
8.49 cm3/mol   
99+
6.59 cm3/mol   
99+
Electron Configuration
[Xe] 4f14 5d6 6s2   
[Ar] 3d8 4s2 Or [Ar] 3d9 4s1   
Valence Electron Potential
91.40 (-eV)   
12
42.00 (-eV)   
99+
Atom
  
  
Number of Protons
76   
39
28   
99+
Number of Neutrons
114   
25
31   
99+
Number of Electrons
76   
39
28   
99+
Crystal Structure
?
The hexagonal crystal system consists of the 7 point groups such that all their space groups have the hexagonal lattice as underlying lattice. The hexagonal crystal family consists of the 12 point groups such that at least one of their space groups has theHexagonal Close Packed (HCP)   
?
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most common and simplest shapes found in crystals and minerals.Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Nickel.jpg#100   
Radius of an Atom
  
  
Atomic Radius
133.80 pm   
99+
124.00 pm   
99+
Covalent Radius
Not Available   
124.00 pm   
99+
Van der Waals Radius
216.00 pm   
24
163.00 pm   
40
Lattice Constant
273.44 pm   
99+
352.40 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.58   
14
Not Available   
Adjacent Atomic Numbers
  
  
Next Element
Iridium
  
Copper
  
Previous Element
Rhenium
  
Cobalt
  
Magnetic Properties
Electrical Properties
  
  
Resistivity
81.20 nΩ·m   
35
69.30 nΩ·m   
39
Electrical Conductivity
0.11 106/cm Ω   
18
0.14 106/cm Ω   
13
Electron Affinity
106.10 kJ/mol   
9
112.00 kJ/mol   
6
Electrical Property
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor   
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor   
Magnetic Characteristics
  
  
Specific Gravity
22.57   
2
8.90   
33
Magnetic Ordering
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic   
Ferromagnetic   
Permeability
Not Available   
0.00 H/m   
2
Susceptibility
Not Available   
600.00   
2
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
0.44 J/(kg K)   
13
Thermal Conductivity
87.60 W/m·K   
19
90.90 W/m·K   
18
Critical Temperature
Not Available   
Not Available   
Molar Heat Capacity
24.70 J/mol·K   
99+
26.07 J/mol·K   
31
Thermal Expansion
5.10 µm/(m·K)   
99+
13.40 µm/(m·K)   
28
Standard Molar Entropy
32.60 J/mol.K   
99+
29.90 J/mol.K   
99+
Enthalpy
  
  
Enthalpy of Vaporization
627.60 kJ/mol   
7
371.80 kJ/mol   
20
Enthalpy of Fusion
29.30 kJ/mol   
4
17.57 kJ/mol   
14
Enthalpy of Atomization
669.00 kJ/mol   
6
422.60 kJ/mol   
17
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