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Properties of Tantalum and Mercury


Properties of Mercury & Tantalum


Physical Properties

Melting Point
2,996.00 °C   
4
Not Available   

Boiling Point
5,425.00 °C   
4
356.58 °C   
99+

Hardness
  
  

Mohs Hardness
6.50   
5
Not Available   

Brinell Hardness
440.00 MPa   
28
Not Available   

Vickers Hardness
870.00 MPa   
12
Not Available   

Optical Properties
  
  

Refractive Index
Not Available   
1.00   
3

Reflectivity
78.00 %   
6
73.00 %   
8

Speed of Sound
3,400.00 m/s   
22
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
Ta   
Hg   

Isotopes
  
  

Known Isotopes
31   
8
34   
5

Electronegativity
  
  

Pauling Electronegativity
1.50   
27
2.00   
7

Sanderson Electronegativity
Not Available   
2.20   
7

Allred Rochow Electronegativity
1.33   
22
1.44   
17

Mulliken-Jaffe Electronegativity
Not Available   
1.81   
9

Allen Electronegativity
1.34   
33
1.44   
30

Electropositivity
  
  

Pauling Electropositivity
2.50   
27
2.00   
99+

Ionization Energies
  
  

1st Energy Level
761.00 kJ/mol   
18
1,007.10 kJ/mol   
4

2nd Energy Level
1,500.00 kJ/mol   
40
1,810.00 kJ/mol   
20

3rd Energy Level
Not Available   
3,300.00 kJ/mol   
20

Electrochemical Equivalent
1.35 g/amp-hr   
99+
3.74 g/amp-hr   
10

Electron Work Function
4.25 eV   
21
4.49 eV   
15

Other Chemical Properties
?
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, 
?
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.Radioactivity, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility
  
?
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
16.69 g/cm3   
18
13.53 g/cm3   
24

Density When Liquid (at m.p.)
15.00 g/cm3   
9
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
Not Available   

Vapor Pressure at 2000 K
0.00 (Pa)   
31
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
0.00   
1

Elasticity properties
  
  

Shear Modulus
69.00 GPa   
13
Not Available   

Bulk Modulus
200.00 GPa   
8
Not Available   

Young's Modulus
186.00 GPa   
13
Not Available   

Poisson Ratio
0.34   
10
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
  
NA   

Periodic Table

Symbol
Ta   
Hg   

Group Number
5   
13
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
73   
99+
80   
36

Atomic Weight
180.95 amu   
38
200.59 amu   
32

Atomic Volume
10.90 cm3/mol   
99+
14.82 cm3/mol   
35

Electron Configuration
[Xe] 4f14 5d3 6s2   
[Xe] 4f14 5d10 6s2   

Valence Electron Potential
110.00 (-eV)   
7
28.20 (-eV)   
99+

Atom
  
  

Number of Protons
73   
99+
80   
36

Number of Neutrons
108   
28
121   
22

Number of Electrons
73   
99+
80   
36

Crystal Structure
?
BCC is a basis type of cubic crystal structure. In crystallography, the cubic crystals structure is a crystal system where the unit cell has a cube shaped structure. This is one of the simplest crystal structure found in crystals of metal.Body Centered Cubic (BCC)
  
?
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
BCC-Crystal-Structure-.jpg#100   
RHO-Crystal-Structure-of-Mercury.jpg#100   

Radius of an Atom
  
  

Atomic Radius
146.00 pm   
35
151.00 pm   
32

Covalent Radius
170.00 pm   
25
132.00 pm   
99+

Van der Waals Radius
200.00 pm   
28
155.00 pm   
99+

Lattice Constant
330.13 pm   
99+
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
Tungsten
  
Thallium
  

Previous Element
Hafnium
  
Gold
  

Magnetic Properties

Electrical Properties
  
  

Resistivity
131.00 nΩ·m   
25
961.00 nΩ·m   
1

Electrical Conductivity
0.08 106/cm Ω   
27
0.01 106/cm Ω   
99+

Electron Affinity
31.00 kJ/mol   
29
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
16.65   
11
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
Not Available   
Not Available   

Susceptibility
Not Available   
Not Available   

Thermal Properties

Specific Heat
0.14 J/(kg K)   
37
0.14 J/(kg K)   
38

Thermal Conductivity
57.50 W/m·K   
27
8.30 W/m·K   
99+

Critical Temperature
Not Available   
1,750.00 K   
6

Molar Heat Capacity
25.36 J/mol·K   
99+
27.98 J/mol·K   
13

Thermal Expansion
6.30 µm/(m·K)   
99+
60.40 µm/(m·K)   
5

Standard Molar Entropy
41.50 J/mol.K   
37
75.80 J/mol.K   
6

Enthalpy
  
  

Enthalpy of Vaporization
753.10 kJ/mol   
2
56.90 kJ/mol   
99+

Enthalpy of Fusion
31.40 kJ/mol   
3
2.29 kJ/mol   
99+

Enthalpy of Atomization
782.00 kJ/mol   
3
61.50 kJ/mol   
99+

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