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Properties of Barium and Bismuth


Properties of Bismuth & Barium


Physical Properties

Melting Point
725.00 °C   
99+
271.30 °C   
99+

Boiling Point
1,140.00 °C   
99+
1,560.00 °C   
99+

Hardness
  
  

Mohs Hardness
1.25   
19
2.25   
15

Brinell Hardness
Not Available   
70.00 MPa   
99+

Vickers Hardness
Not Available   
Not Available   

Optical Properties
  
  

Refractive Index
Not Available   
Not Available   

Reflectivity
Not Available   
Not Available   

Speed of Sound
1,620.00 m/s   
99+
1,790.00 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
Ba   
Bi   

Isotopes
  
  

Known Isotopes
37   
2
33   
6

Electronegativity
  
  

Pauling Electronegativity
0.89   
99+
2.02   
6

Sanderson Electronegativity
0.68   
28
2.34   
3

Allred Rochow Electronegativity
0.97   
38
1.67   
6

Mulliken-Jaffe Electronegativity
0.88   
22
2.15   
4

Allen Electronegativity
0.88   
99+
2.01   
4

Electropositivity
  
  

Pauling Electropositivity
3.11   
4
1.98   
99+

Ionization Energies
  
  

1st Energy Level
502.90 kJ/mol   
99+
703.00 kJ/mol   
35

2nd Energy Level
965.20 kJ/mol   
99+
1,610.00 kJ/mol   
33

3rd Energy Level
3,600.00 kJ/mol   
14
2,466.00 kJ/mol   
99+

Electrochemical Equivalent
2.56 g/amp-hr   
20
2.60 g/amp-hr   
19

Electron Work Function
2.70 eV   
99+
4.22 eV   
22

Other Chemical Properties
?
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
  
?
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, 
?
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
3.51 g/cm3   
99+
9.78 g/cm3   
39

Density When Liquid (at m.p.)
3.34 g/cm3   
99+
10.05 g/cm3   
18

Vapor Pressure
  
  

Vapor Pressure at 1000 K
7.11 (Pa)   
6
Not Available   

Vapor Pressure at 2000 K
Not Available   
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Elasticity properties
  
  

Shear Modulus
4.90 GPa   
99+
12.00 GPa   
99+

Bulk Modulus
9.60 GPa   
99+
31.00 GPa   
38

Young's Modulus
13.00 GPa   
99+
32.00 GPa   
99+

Poisson Ratio
Not Available   
0.33   
11

Other Mechanical Properties
NA   
NA   

Periodic Table

Symbol
Ba   
Bi   

Group Number
2   
16
15   
3

Period Number
6   
6   

Block
?
The s-block is on the left side of the periodic table that includes elements from the first two columns, the alkali metals (group 1) and alkaline earth metals (group 2), plus helium.s block
  
?
The p-block is on the right side of the periodic table and includes elements from the six columns beginning with column 13 and ending with column 18. Helium, though being in the top of group 18, is not included in the p-block.p block
  

Element Family
?
All alkaline earth metals are placed under group number 2 and s-block of periodic table. These metals are somewhat reactive at standard conditions. Alkaline earth metals appear shiny, silvery-white and are found in the earth’s crust.Alkaline Earth
  
?
All post transition metals are placed in group number 13, 14 and 15 of periodic table. In fact, they are located between Transition Metals and Metalloids. Post transition metals have very poor mechanical properties.Post-​Transition
  

Atomic Properties

Atomic Number
56   
99+
83   
33

Atomic Weight
137.33 amu   
99+
208.98 amu   
29

Atomic Volume
39.24 cm3/mol   
5
21.30 cm3/mol   
14

Electron Configuration
[Xe] 6s2   
[Xe] 4f14 5d10 6s2 6p3   

Valence Electron Potential
21.30 (-eV)   
99+
41.90 (-eV)   
99+

Atom
  
  

Number of Protons
56   
99+
83   
33

Number of Neutrons
81   
99+
126   
18

Number of Electrons
56   
99+
83   
33

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-Bismuth.jpg#100   

Radius of an Atom
  
  

Atomic Radius
222.00 pm   
4
156.00 pm   
29

Covalent Radius
215.00 pm   
5
148.00 pm   
36

Van der Waals Radius
268.00 pm   
6
207.00 pm   
26

Lattice Constant
502.80 pm   
15
667.40 pm   
2

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

Adjacent Atomic Numbers
  
  

Next Element
Lanthanum
  
Polonium
  

Previous Element
Cesium
  
Lead
  

Magnetic Properties

Electrical Properties
  
  

Resistivity
332.00 nΩ·m   
13
1.29 nΩ·m   
99+

Electrical Conductivity
0.03 106/cm Ω   
40
0.01 106/cm Ω   
99+

Electron Affinity
13.95 kJ/mol   
36
91.20 kJ/mol   
11

Electrical Property
?
Under certain conditions, superconductor metals offer zero resistance to electric current it means this type of metals will conduct electricity without any resistance.Superconductor
  
?
Semiconductor metals have conductivity between that of a conductor and an insulator.Semiconductor
  

Magnetic Characteristics
  
  

Specific Gravity
3.62   
99+
9.79   
30

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   
0.00 H/m   
6

Susceptibility
Not Available   
0.00   
6

Thermal Properties

Specific Heat
0.20 J/(kg K)   
30
0.12 J/(kg K)   
40

Thermal Conductivity
18.40 W/m·K   
99+
7.97 W/m·K   
99+

Critical Temperature
Not Available   
Not Available   

Molar Heat Capacity
28.07 J/mol·K   
12
25.52 J/mol·K   
37

Thermal Expansion
20.60 µm/(m·K)   
22
13.40 µm/(m·K)   
28

Standard Molar Entropy
62.50 J/mol.K   
20
56.70 J/mol.K   
24

Enthalpy
  
  

Enthalpy of Vaporization
140.00 kJ/mol   
99+
151.00 kJ/mol   
99+

Enthalpy of Fusion
7.66 kJ/mol   
99+
10.90 kJ/mol   
33

Enthalpy of Atomization
175.70 kJ/mol   
99+
207.10 kJ/mol   
99+

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