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Niobium vs Indium

Niobium
Indium
Indium vs Niobium


Periodic Table
Symbol
Nb   
In   
Group Number
5   
13
13   
5
Period Number
5   
5   
Block
d block   
p block   
Element Family
Transition Metal   
Post-​Transition   
CAS Number
7440031   
99+
7440746   
17
Space Group Name
Im_ 3m   
I4/mmm   
Space Group Number
229.00   
1
139.00   
8
Facts
Interesting Facts
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
  
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
  
Sources
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals   
Mining, Ores of metals   
History
  
  
Who Discovered
Charles Hatchett   
Ferdinand Reich and Hieronymous Theodor Richter   
Discovery
In 1801   
In 1863   
Abundance
  
  
Abundance In Universe
2 * 10-7 %   
22
3 * 10-8 %   
28
Abundance In Sun
~0.0000004 %   
23
~0.0000004 %   
23
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 %   
99+
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.
  
  • It is used to produce indium tin oxide (ITO), it is used in manufacturing touch screens, flat screen TVs and solar panels.
  • Its nitride, phosphide and antimonide are used in transistors and microchips.
  
Industrial Uses
Aerospace Industry, Ammunition Industry, Electrical Industry, Electronic Industry   
Aerospace Industry, Automobile Industry   
Medical Uses
NA   
Medical Research   
Other Uses
Alloys   
Alloys, In Nuclear Reactors   
Biological Properties
  
  
Toxicity
Low Toxic   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.01 Blood/mg dm-3   
25
Not Available   
In Bone
0.07 p.p.m.   
25
Not Available   
Physical Properties
Melting Point
2,468.00 °C   
6
156.61 °C   
99+
Boiling Point
2,468.00 °C   
99+
2,000.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gray   
Silvery Gray   
Luster
Metallic   
Lustrous   
Hardness
  
  
Mohs Hardness
6.00   
6
1.20   
20
Brinell Hardness
735.00 MPa   
14
8.80 MPa   
99+
Vickers Hardness
870.00 MPa   
12
Not Available   
Speed of Sound
3,480.00 m/s   
21
1,215.00 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   
In   
Isotopes
  
  
Known Isotopes
17   
22
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.60   
23
1.78   
16
Sanderson Electronegativity
1.42   
16
2.14   
8
Allred Rochow Electronegativity
1.23   
25
1.49   
13
Mulliken-Jaffe Electronegativity
Not Available   
1.76   
10
Allen Electronegativity
1.41   
31
1.66   
18
Electropositivity
  
  
Pauling Electropositivity
2.40   
31
2.22   
38
Ionization Energies
  
  
1st Energy Level
652.10 kJ/mol   
99+
558.30 kJ/mol   
99+
2nd Energy Level
1,380.00 kJ/mol   
99+
1,820.70 kJ/mol   
18
3rd Energy Level
2,416.00 kJ/mol   
99+
2,704.00 kJ/mol   
39
4th Energy Level
3,700.00 kJ/mol   
99+
5,210.00 kJ/mol   
17
5th Energy Level
4,877.00 kJ/mol   
36
Not Available   
6th Energy Level
9,847.00 kJ/mol   
11
Not Available   
7th Energy level
12,100.00 kJ/mol   
14
Not Available   
Electrochemical Equivalent
0.69 g/amp-hr   
99+
1.43 g/amp-hr   
99+
Electron Work Function
4.30 eV   
18
4.12 eV   
24
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Atomic Properties
Atomic Number
41   
99+
49   
99+
Electron Configuration
[Kr] 4d4 5s1   
[Kr] 4d10 5s2 5p1   
Crystal Structure
Body Centered Cubic (BCC)   
Tetragonal (TETR)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
TETR-Crystal-Structure-of-Indium.jpg#100   
Atom
  
  
Number of Protons
41   
99+
49   
99+
Number of Neutrons
52   
99+
66   
99+
Number of Electrons
41   
99+
49   
99+
Radius of an Atom
  
  
Atomic Radius
146.00 pm   
35
167.00 pm   
24
Covalent Radius
164.00 pm   
28
142.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
193.00 pm   
31
Atomic Weight
92.91 amu   
99+
114.82 amu   
99+
Atomic Volume
10.87 cm3/mol   
99+
15.70 cm3/mol   
33
Adjacent Atomic Numbers
  
  
Previous Element
Zirconium
  
Cadmium
  
Next Element
Molybdenum
  
Tin
  
Valence Electron Potential
104.00 (-eV)   
8
54.00 (-eV)   
25
Lattice Constant
330.04 pm   
99+
325.23 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
8.57 g/cm3   
99+
7.31 g/cm3   
99+
Density When Liquid (at m.p.)
Not Available   
7.02 g/cm3   
33
Tensile Strength
330.00 MPa   
12
2.50 MPa   
21
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.01 (Pa)   
11
Vapor Pressure at 2000 K
0.00 (Pa)   
27
Not Available   
Elasticity properties
  
  
Shear Modulus
38.00 GPa   
19
Not Available   
Bulk Modulus
170.00 GPa   
10
Not Available   
Young's Modulus
105.00 GPa   
20
11.00 GPa   
99+
Poisson Ratio
0.40   
4
Not Available   
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
8.57   
37
7.31   
99+
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
152.00 nΩ·m   
23
83.70 nΩ·m   
34
Electrical Conductivity
0.07 106/cm Ω   
28
0.12 106/cm Ω   
17
Electron Affinity
86.10 kJ/mol   
12
28.90 kJ/mol   
31
Thermal Properties
Specific Heat
0.26 J/(kg K)   
20
0.23 J/(kg K)   
27
Molar Heat Capacity
24.60 J/mol·K   
99+
26.74 J/mol·K   
25
Thermal Conductivity
53.70 W/m·K   
29
81.80 W/m·K   
21
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
7.30 µm/(m·K)   
99+
32.10 µm/(m·K)   
9
Enthalpy
  
  
Enthalpy of Vaporization
696.60 kJ/mol   
4
226.40 kJ/mol   
40
Enthalpy of Fusion
27.20 kJ/mol   
6
3.28 kJ/mol   
99+
Enthalpy of Atomization
745.00 kJ/mol   
4
242.70 kJ/mol   
99+
Standard Molar Entropy
36.40 J/mol.K   
99+
57.80 J/mol.K   
22
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