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Bismuth Potassium Comparison

Bismuth
Potassium
Potassium Bismuth comparison


Periodic Table
Symbol
Bi   
K   
Group Number
15   
3
1   
17
Period Number
6   
4   
Block
p block   
s block   
Element Family
Post-​Transition   
Alkali   
CAS Number
7440699   
22
7440097   
99+
Space Group Name
C12/m1   
Im_ 3m   
Space Group Number
12.00   
12
229.00   
1
Facts
Interesting Facts
  • 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.
  
  • In the list of most abundant element Potassium is ranked 7th.
  • Potassium can easily be sliced (chopped) down using knife.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining   
History
  
  
Who Discovered
Claude François Geoffroy   
Humphry Davy   
Discovery
In 1753   
In 1807   
Abundance
  
  
Abundance In Universe
7 * 10-8 %   
25
3 * 10-4 %   
9
Abundance In Sun
~0.000006 %   
14
~0.0004 %   
9
Abundance In Meteorites
0.00 %   
99+
0.07 %   
9
Abundance In Earth's Crust
0.00 %   
99+
1.50 %   
6
Abundance In Oceans
0.00 %   
24
0.04 %   
3
Abundance In Humans
Not Available   
0.20 %   
2
Uses
Uses & Benefits
  • 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.
  
  • Potassium’s compounds are in high demand for their application in Fertilizer manufacturing.
  • Potassium carbonate is used in glass manufacturing and Potassium carbonate in manufacturing detergent and body wash.
  
Industrial Uses
Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Ammunition Industry, Chemical Industry   
Medical Uses
Pharmaceutical Industry   
Pharmaceutical Industry   
Other Uses
Alloys   
NA   
Biological Properties
  
  
Toxicity
Low Toxic   
Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.02 Blood/mg dm-3   
20
1,620.00 Blood/mg dm-3   
2
In Bone
0.20 p.p.m.   
22
2,100.00 p.p.m.   
3
Physical Properties
Melting Point
271.30 °C   
99+
63.65 °C   
99+
Boiling Point
1,560.00 °C   
99+
774.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silver   
Silvery Gray   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
2.25   
15
0.40   
23
Brinell Hardness
70.00 MPa   
99+
0.36 MPa   
99+
Speed of Sound
1,790.00 m/s   
99+
2,000.00 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
Bi   
K   
Isotopes
  
  
Known Isotopes
33   
6
20   
19
Electronegativity
  
  
Pauling Electronegativity
2.02   
6
0.82   
99+
Sanderson Electronegativity
2.34   
3
0.45   
31
Allred Rochow Electronegativity
1.67   
6
0.91   
39
Mulliken-Jaffe Electronegativity
2.15   
4
0.73   
23
Allen Electronegativity
2.01   
4
0.73   
99+
Electropositivity
  
  
Pauling Electropositivity
1.98   
99+
3.18   
3
Ionization Energies
  
  
1st Energy Level
703.00 kJ/mol   
35
418.80 kJ/mol   
99+
2nd Energy Level
1,610.00 kJ/mol   
33
3,052.00 kJ/mol   
5
3rd Energy Level
2,466.00 kJ/mol   
99+
4,420.00 kJ/mol   
8
4th Energy Level
4,370.00 kJ/mol   
28
5,877.00 kJ/mol   
9
5th Energy Level
5,400.00 kJ/mol   
30
7,975.00 kJ/mol   
8
6th Energy Level
8,520.00 kJ/mol   
19
9,590.00 kJ/mol   
13
7th Energy level
Not Available   
11,343.00 kJ/mol   
17
8th Energy Level
Not Available   
14,944.00 kJ/mol   
13
9th Energy Level
Not Available   
16,963.70 kJ/mol   
15
10th Energy Level
Not Available   
48,610.00 kJ/mol   
3
11th Energy Level
Not Available   
54,490.00 kJ/mol   
4
12th Energy Level
Not Available   
60,730.00 kJ/mol   
4
13th Energy Level
Not Available   
68,950.00 kJ/mol   
4
14th Energy Level
Not Available   
75,900.00 kJ/mol   
5
15th Energy Level
Not Available   
83,080.00 kJ/mol   
6
16th Energy Level
Not Available   
93,400.00 kJ/mol   
7
17th Energy Level
Not Available   
99,710.00 kJ/mol   
8
Electrochemical Equivalent
2.60 g/amp-hr   
19
1.46 g/amp-hr   
99+
Electron Work Function
4.22 eV   
22
2.30 eV   
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Flammability, Ionization, Solubility   
Atomic Properties
Atomic Number
83   
33
19   
99+
Electron Configuration
[Xe] 4f14 5d10 6s2 6p3   
[Ar] 4s1   
Crystal Structure
Rhombohedral (RHO)   
Body Centered Cubic (BCC)   
Crystal Lattice
RHO-Crystal-Structure-of-Bismuth.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
83   
33
19   
99+
Number of Neutrons
126   
18
20   
99+
Number of Electrons
83   
33
19   
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
227.00 pm   
3
Covalent Radius
148.00 pm   
36
203.00 pm   
9
Van der Waals Radius
207.00 pm   
26
275.00 pm   
5
Atomic Weight
208.98 amu   
29
39.10 amu   
99+
Atomic Volume
21.30 cm3/mol   
14
45.46 cm3/mol   
3
Adjacent Atomic Numbers
  
  
Previous Element
Lead
  
Aluminium
  
Next Element
Polonium
  
Calcium
  
Valence Electron Potential
41.90 (-eV)   
99+
10.40 (-eV)   
99+
Lattice Constant
667.40 pm   
2
532.80 pm   
12
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
9.78 g/cm3   
39
0.86 g/cm3   
99+
Density When Liquid (at m.p.)
10.05 g/cm3   
18
0.83 g/cm3   
99+
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Elasticity properties
  
  
Shear Modulus
12.00 GPa   
99+
1.30 GPa   
99+
Bulk Modulus
31.00 GPa   
38
3.10 GPa   
99+
Young's Modulus
32.00 GPa   
99+
3.53 GPa   
99+
Poisson Ratio
0.33   
11
Not Available   
Other Mechanical Properties
NA   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
9.79   
30
0.86   
99+
Magnetic Ordering
Diamagnetic   
Paramagnetic   
Permeability
0.00 H/m   
6
Not Available   
Susceptibility
0.00   
6
Not Available   
Electrical Properties
  
  
Electrical Property
Semiconductor   
Conductor   
Resistivity
1.29 nΩ·m   
99+
72.00 nΩ·m   
37
Electrical Conductivity
0.01 106/cm Ω   
99+
0.14 106/cm Ω   
14
Electron Affinity
91.20 kJ/mol   
11
48.40 kJ/mol   
22
Thermal Properties
Specific Heat
0.12 J/(kg K)   
40
0.75 J/(kg K)   
6
Molar Heat Capacity
25.52 J/mol·K   
37
29.60 J/mol·K   
6
Thermal Conductivity
7.97 W/m·K   
99+
102.50 W/m·K   
15
Critical Temperature
Not Available   
2,223.00 K   
3
Thermal Expansion
13.40 µm/(m·K)   
28
83.30 µm/(m·K)   
3
Enthalpy
  
  
Enthalpy of Vaporization
151.00 kJ/mol   
99+
77.50 kJ/mol   
99+
Enthalpy of Fusion
10.90 kJ/mol   
33
2.32 kJ/mol   
99+
Enthalpy of Atomization
207.10 kJ/mol   
99+
89.50 kJ/mol   
99+
Standard Molar Entropy
56.70 J/mol.K   
24
64.70 J/mol.K   
18
Summary >>
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