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Barium Bismuth Comparison

Barium
Bismuth
Bismuth Barium comparison


Periodic Table
Symbol
Ba   
Bi   
Group Number
2   
16
15   
3
Period Number
6   
6   
Block
s block   
p block   
Element Family
Alkaline Earth   
Post-​Transition   
CAS Number
7440393   
99+
7440699   
22
Space Group Name
Im_ 3m   
C12/m1   
Space Group Number
229.00   
1
12.00   
12
Facts
Interesting Facts
  • Barium oxidizes very easily in the air.
  • All toxic compounds of Barium can easily dissolve in water.
  • Barium carbonate is used to produce a Rat poison and its other compound Barium nitrate is used in fireworks to produce green color.
  
  • Bismuth metal is soluble and reacts with concentrated nitric acid.
  • It oxides are used as a yellow pigment in paint. Bismuth chloride oxide BiClO gives a pearly texture to cosmetics.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Carl Wilhelm Scheele   
Claude François Geoffroy   
Discovery
In 1772   
In 1753   
Abundance
  
  
Abundance In Universe
1 * 10-6 %   
16
7 * 10-8 %   
25
Abundance In Sun
~0.000001 %   
18
~0.000006 %   
14
Abundance In Meteorites
0.00 %   
20
0.00 %   
99+
Abundance In Earth's Crust
0.03 %   
11
0.00 %   
99+
Abundance In Oceans
0.00 %   
8
0.00 %   
24
Abundance In Humans
0.00 %   
12
Not Available   
Uses
Uses & Benefits
  • It is sued in chemical paint manufacturing and glass manufacturing.
  • Compounds of this metal are toxic; but still the barium sulfate is insoluble and given to patients suffering from digestive disorder.
  
  • Tin and bismuth alloys have a very low melting point and hence it is used in fire detector and the fire extinguishers. It also used in electric solders and fuses.
  
Industrial Uses
Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry   
Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
Pharmaceutical Industry   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Low Toxic   
Low Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.07 Blood/mg dm-3   
15
0.02 Blood/mg dm-3   
20
In Bone
70.00 p.p.m.   
9
0.20 p.p.m.   
22
Physical Properties
Melting Point
725.00 °C   
99+
271.30 °C   
99+
Boiling Point
1,140.00 °C   
99+
1,560.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery Gray   
Silver   
Luster
NA   
Metallic   
Hardness
  
  
Mohs Hardness
1.25   
19
2.25   
15
Brinell Hardness
Not Available   
70.00 MPa   
99+
Speed of Sound
1,620.00 m/s   
99+
1,790.00 m/s   
99+
Optical Properties
  
  
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+
4th Energy Level
Not Available   
4,370.00 kJ/mol   
28
5th Energy Level
Not Available   
5,400.00 kJ/mol   
30
6th Energy Level
Not Available   
8,520.00 kJ/mol   
19
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, Radioactive Isotopes, Radioactivity, Solubility   
Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
56   
99+
83   
33
Electron Configuration
[Xe] 6s2   
[Xe] 4f14 5d10 6s2 6p3   
Crystal Structure
Body Centered Cubic (BCC)   
Rhombohedral (RHO)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
RHO-Crystal-Structure-of-Bismuth.jpg#100   
Atom
  
  
Number of Protons
56   
99+
83   
33
Number of Neutrons
81   
99+
126   
18
Number of Electrons
56   
99+
83   
33
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
Atomic Weight
137.33 amu   
99+
208.98 amu   
29
Atomic Volume
39.24 cm3/mol   
5
21.30 cm3/mol   
14
Adjacent Atomic Numbers
  
  
Previous Element
Cesium
  
Lead
  
Next Element
Lanthanum
  
Polonium
  
Valence Electron Potential
21.30 (-eV)   
99+
41.90 (-eV)   
99+
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   
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
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
7.11 (Pa)   
6
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   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
3.62   
99+
9.79   
30
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Permeability
Not Available   
0.00 H/m   
6
Susceptibility
Not Available   
0.00   
6
Electrical Properties
  
  
Electrical Property
Superconductor   
Semiconductor   
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
Thermal Properties
Specific Heat
0.20 J/(kg K)   
30
0.12 J/(kg K)   
40
Molar Heat Capacity
28.07 J/mol·K   
12
25.52 J/mol·K   
37
Thermal Conductivity
18.40 W/m·K   
99+
7.97 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
20.60 µm/(m·K)   
22
13.40 µm/(m·K)   
28
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+
Standard Molar Entropy
62.50 J/mol.K   
20
56.70 J/mol.K   
24
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