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Niobium Bismuth Comparison

Niobium
Bismuth
Bismuth Niobium comparison


Periodic Table
Symbol
Nb   
Bi   
Group Number
5   
13
15   
3
Period Number
5   
6   
Block
d block   
p block   
Element Family
Transition Metal   
Post-​Transition   
CAS Number
7440031   
99+
7440699   
22
Space Group Name
Im_ 3m   
C12/m1   
Space Group Number
229.00   
1
12.00   
12
Facts
Interesting Facts
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
  
  • 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
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Charles Hatchett   
Claude François Geoffroy   
Discovery
In 1801   
In 1753   
Abundance
  
  
Abundance In Universe
2 * 10-7 %   
22
7 * 10-8 %   
25
Abundance In Sun
~0.0000004 %   
23
~0.000006 %   
14
Abundance In Meteorites
0.00 %   
35
0.00 %   
99+
Abundance In Earth's Crust
0.00 %   
25
0.00 %   
99+
Abundance In Oceans
0.00 %   
34
0.00 %   
24
Uses
Uses & Benefits
  • Niobium alloys are used in jet engines and rockets and spacecraft, beams and girders for buildings and oil and gas pipelines.
  • It is used superconducting magnets in particles accelerators, NMR and MRI equipment.
  
  • 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
Aerospace Industry, Ammunition 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
0.01 Blood/mg dm-3   
25
0.02 Blood/mg dm-3   
20
In Bone
0.07 p.p.m.   
25
0.20 p.p.m.   
22
Physical Properties
Melting Point
2,468.00 °C   
6
271.30 °C   
99+
Boiling Point
2,468.00 °C   
99+
1,560.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gray   
Silver   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
6.00   
6
2.25   
15
Brinell Hardness
735.00 MPa   
14
70.00 MPa   
99+
Vickers Hardness
870.00 MPa   
12
Not Available   
Speed of Sound
3,480.00 m/s   
21
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
Nb   
Bi   
Isotopes
  
  
Known Isotopes
17   
22
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.60   
23
2.02   
6
Sanderson Electronegativity
1.42   
16
2.34   
3
Allred Rochow Electronegativity
1.23   
25
1.67   
6
Mulliken-Jaffe Electronegativity
Not Available   
2.15   
4
Allen Electronegativity
1.41   
31
2.01   
4
Electropositivity
  
  
Pauling Electropositivity
2.40   
31
1.98   
99+
Ionization Energies
  
  
1st Energy Level
652.10 kJ/mol   
99+
703.00 kJ/mol   
35
2nd Energy Level
1,380.00 kJ/mol   
99+
1,610.00 kJ/mol   
33
3rd Energy Level
2,416.00 kJ/mol   
99+
2,466.00 kJ/mol   
99+
4th Energy Level
3,700.00 kJ/mol   
99+
4,370.00 kJ/mol   
28
5th Energy Level
4,877.00 kJ/mol   
36
5,400.00 kJ/mol   
30
6th Energy Level
9,847.00 kJ/mol   
11
8,520.00 kJ/mol   
19
7th Energy level
12,100.00 kJ/mol   
14
Not Available   
Electrochemical Equivalent
0.69 g/amp-hr   
99+
2.60 g/amp-hr   
19
Electron Work Function
4.30 eV   
18
4.22 eV   
22
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
41   
99+
83   
33
Electron Configuration
[Kr] 4d4 5s1   
[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
41   
99+
83   
33
Number of Neutrons
52   
99+
126   
18
Number of Electrons
41   
99+
83   
33
Radius of an Atom
  
  
Atomic Radius
146.00 pm   
35
156.00 pm   
29
Covalent Radius
164.00 pm   
28
148.00 pm   
36
Van der Waals Radius
200.00 pm   
28
207.00 pm   
26
Atomic Weight
92.91 amu   
99+
208.98 amu   
29
Atomic Volume
10.87 cm3/mol   
99+
21.30 cm3/mol   
14
Adjacent Atomic Numbers
  
  
Previous Element
Zirconium
  
Lead
  
Next Element
Molybdenum
  
Polonium
  
Valence Electron Potential
104.00 (-eV)   
8
41.90 (-eV)   
99+
Lattice Constant
330.04 pm   
99+
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
8.57 g/cm3   
99+
9.78 g/cm3   
39
Density When Liquid (at m.p.)
Not Available   
10.05 g/cm3   
18
Tensile Strength
330.00 MPa   
12
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.00 (Pa)   
27
Not Available   
Elasticity properties
  
  
Shear Modulus
38.00 GPa   
19
12.00 GPa   
99+
Bulk Modulus
170.00 GPa   
10
31.00 GPa   
38
Young's Modulus
105.00 GPa   
20
32.00 GPa   
99+
Poisson Ratio
0.40   
4
0.33   
11
Other Mechanical Properties
Ductile, Malleable   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
8.57   
37
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
Conductor   
Semiconductor   
Resistivity
152.00 nΩ·m   
23
1.29 nΩ·m   
99+
Electrical Conductivity
0.07 106/cm Ω   
28
0.01 106/cm Ω   
99+
Electron Affinity
86.10 kJ/mol   
12
91.20 kJ/mol   
11
Thermal Properties
Specific Heat
0.26 J/(kg K)   
20
0.12 J/(kg K)   
40
Molar Heat Capacity
24.60 J/mol·K   
99+
25.52 J/mol·K   
37
Thermal Conductivity
53.70 W/m·K   
29
7.97 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
7.30 µm/(m·K)   
99+
13.40 µm/(m·K)   
28
Enthalpy
  
  
Enthalpy of Vaporization
696.60 kJ/mol   
4
151.00 kJ/mol   
99+
Enthalpy of Fusion
27.20 kJ/mol   
6
10.90 kJ/mol   
33
Enthalpy of Atomization
745.00 kJ/mol   
4
207.10 kJ/mol   
99+
Standard Molar Entropy
36.40 J/mol.K   
99+
56.70 J/mol.K   
24
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