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Properties of Platinum and Mercury

Platinum
Mercury
Properties of Mercury & Platinum


Physical Properties
Melting Point
1,772.00 °C   
16
Not Available   
Boiling Point
3,827.00 °C   
15
356.58 °C   
99+
Hardness
  
  
Mohs Hardness
3.50   
11
Not Available   
Brinell Hardness
300.00 MPa   
34
Not Available   
Vickers Hardness
400.00 MPa   
25
Not Available   
Optical Properties
  
  
Refractive Index
Not Available   
1.00   
3
Reflectivity
73.00 %   
8
73.00 %   
8
Speed of Sound
2,800.00 m/s   
29
1,451.40 m/s   
99+
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
Pt   
Hg   
Isotopes
  
  
Known Isotopes
35   
4
34   
5
Electronegativity
  
  
Pauling Electronegativity
2.28   
3
2.00   
7
Sanderson Electronegativity
Not Available   
2.20   
7
Allred Rochow Electronegativity
1.44   
17
1.44   
17
Mulliken-Jaffe Electronegativity
Not Available   
1.81   
9
Allen Electronegativity
1.72   
16
1.44   
30
Electropositivity
  
  
Pauling Electropositivity
1.72   
99+
2.00   
99+
Ionization Energies
  
  
1st Energy Level
870.00 kJ/mol   
10
1,007.10 kJ/mol   
4
2nd Energy Level
1,791.00 kJ/mol   
21
1,810.00 kJ/mol   
20
3rd Energy Level
Not Available   
3,300.00 kJ/mol   
20
Electrochemical Equivalent
1.82 g/amp-hr   
35
3.74 g/amp-hr   
10
Electron Work Function
5.65 eV   
1
4.49 eV   
15
Other Chemical Properties
?
Stable metals are non radioactive metals and have zero valence electrons in the outer shell.Chemical Stability, 
?
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   
?
Flammable metals have ability to burn or ignite, causing fire or combustion.Flammability, 
?
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   
Mechanical Properties
Density
  
  
Density At Room Temperature
21.45 g/cm3   
11
13.53 g/cm3   
24
Density When Liquid (at m.p.)
19.77 g/cm3   
2
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
Not Available   
Vapor Pressure at 2000 K
0.07 (Pa)   
18
Not Available   
Tensile Strength
125.00 MPa   
14
Not Available   
Viscosity
Not Available   
0.00   
1
Elasticity properties
  
  
Shear Modulus
61.00 GPa   
14
Not Available   
Bulk Modulus
230.00 GPa   
6
Not Available   
Young's Modulus
168.00 GPa   
14
Not Available   
Poisson Ratio
0.38   
6
Not Available   
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, 
?
Malleability of metals defines their ability to deform under compressive stress; this is often characterized by the metals ability to form a thin sheet by hammering or rolling.Malleable   
NA   
Periodic Table
Symbol
Pt   
Hg   
Group Number
10   
8
12   
6
Period Number
6   
6   
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
78   
38
80   
36
Atomic Weight
47.87 amu   
99+
200.59 amu   
32
Atomic Volume
9.09 cm3/mol   
99+
14.82 cm3/mol   
35
Electron Configuration
[Xe] 4f14 5d9 6s1   
[Xe] 4f14 5d10 6s2   
Valence Electron Potential
392.42 (-eV)   
1
28.20 (-eV)   
99+
Atom
  
  
Number of Protons
78   
38
80   
36
Number of Neutrons
117   
24
121   
22
Number of Electrons
78   
38
80   
36
Crystal Structure
?
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)   
?
Rhombohedral crystal lattice structure comes under trigonal crystal structure. The Rhombohedral crystal structure is a term associated trigonal crystal structure with the rhombohedral lattice.Rhombohedral (RHO)   
Crystal Lattice
FCC-Crystal-Structure-of-Platinum.jpg#100   
RHO-Crystal-Structure-of-Mercury.jpg#100   
Radius of an Atom
  
  
Atomic Radius
139.00 pm   
39
151.00 pm   
32
Covalent Radius
136.00 pm   
99+
132.00 pm   
99+
Van der Waals Radius
175.00 pm   
36
155.00 pm   
99+
Lattice Constant
392.42 pm   
24
300.50 pm   
99+
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Adjacent Atomic Numbers
  
  
Next Element
Gold
  
Thallium
  
Previous Element
Iridium
  
Gold
  
Magnetic Properties
Electrical Properties
  
  
Resistivity
105.00 nΩ·m   
30
961.00 nΩ·m   
1
Electrical Conductivity
0.10 106/cm Ω   
21
0.01 106/cm Ω   
99+
Electron Affinity
205.30 kJ/mol   
2
0.00 kJ/mol   
40
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
21.45   
4
13.53   
16
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   
?
Diamagnetic metals produce a magnetic field opposite to the applied magnetic field. Thus, they are repelled by magnets and show magnetic nature.Diamagnetic   
Permeability
0.00 H/m   
3
Not Available   
Susceptibility
Not Available   
Not Available   
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
0.14 J/(kg K)   
38
Thermal Conductivity
71.60 W/m·K   
24
8.30 W/m·K   
99+
Critical Temperature
Not Available   
1,750.00 K   
6
Molar Heat Capacity
25.86 J/mol·K   
35
27.98 J/mol·K   
13
Thermal Expansion
8.80 µm/(m·K)   
99+
60.40 µm/(m·K)   
5
Standard Molar Entropy
41.60 J/mol.K   
36
75.80 J/mol.K   
6
Enthalpy
  
  
Enthalpy of Vaporization
510.50 kJ/mol   
11
56.90 kJ/mol   
99+
Enthalpy of Fusion
19.70 kJ/mol   
12
2.29 kJ/mol   
99+
Enthalpy of Atomization
565.00 kJ/mol   
11
61.50 kJ/mol   
99+
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