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Holmium vs Indium


Indium vs Holmium


Periodic Table

Symbol
Ho   
In   

Group Number
Not Available   
13   
5

Period Number
6   
5   

Block
f block   
p block   

Element Family
Lanthanide   
Post-​Transition   

CAS Number
7440600   
29
7440746   
17

Space Group Name
P63/mmc   
I4/mmm   

Space Group Number
194.00   
5
139.00   
8

Facts

Interesting Facts
  • Holmium metal is very soft and malleable.
  • Holmium metal is well known for its corrosion resistivity.
  
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
  

Sources
Found in Minerals, Mining, Ores of Minerals   
Mining, Ores of metals   

History
  
  

Who Discovered
Marc Delafontaine   
Ferdinand Reich and Hieronymous Theodor Richter   

Discovery
In 1878   
In 1863   

Abundance
  
  

Abundance In Universe
5 * 10-8 %   
27
3 * 10-8 %   
28

Abundance In Sun
~-9999 %   
~0.0000004 %   
23

Abundance In Meteorites
0.00 %   
99+
0.00 %   
99+

Abundance In Earth's Crust
0.00 %   
38
0.00 %   
99+

Abundance In Oceans
0.00 %   
99+
0.00 %   
99+

Uses

Uses & Benefits
  • Holmium metal has an ability to absorb neutrons, so this metal is used in nuclear reactors to keep the chain reactions of elements under control.
  • Alloys of Holmium are used to produce Magnet.
  
  • 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
NA   
Aerospace Industry, Automobile Industry   

Medical Uses
NA   
Medical Research   

Other Uses
Alloys, Nuclear Research   
Alloys, In Nuclear Reactors   

Biological Properties
  
  

Toxicity
Low Toxic   
Non Toxic   

Present in Human Body
No   
Yes   

Physical Properties

Melting Point
1,461.00 °C   
30
156.61 °C   
99+

Boiling Point
2,600.00 °C   
99+
2,000.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Silvery Gray   

Luster
Metallic   
Lustrous   

Hardness
  
  

Mohs Hardness
Not Available   
1.20   
20

Brinell Hardness
746.00 MPa   
13
8.80 MPa   
99+

Vickers Hardness
481.00 MPa   
23
Not Available   

Speed of Sound
2,760.00 m/s   
30
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
Ho   
In   

Isotopes
  
  

Known Isotopes
34   
5
35   
4

Electronegativity
  
  

Pauling Electronegativity
1.23   
37
1.78   
16

Sanderson Electronegativity
Not Available   
2.14   
8

Allred Rochow Electronegativity
1.10   
30
1.49   
13

Mulliken-Jaffe Electronegativity
Not Available   
1.76   
10

Allen Electronegativity
Not Available   
1.66   
18

Electropositivity
  
  

Pauling Electropositivity
2.77   
17
2.22   
38

Ionization Energies
  
  

1st Energy Level
581.00 kJ/mol   
99+
558.30 kJ/mol   
99+

2nd Energy Level
1,140.00 kJ/mol   
99+
1,820.70 kJ/mol   
18

3rd Energy Level
2,204.00 kJ/mol   
99+
2,704.00 kJ/mol   
39

4th Energy Level
4,100.00 kJ/mol   
34
5,210.00 kJ/mol   
17

Electrochemical Equivalent
2.02 g/amp-hr   
29
1.43 g/amp-hr   
99+

Electron Work Function
Not Available   
4.12 eV   
24

Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   

Atomic Properties

Atomic Number
67   
99+
49   
99+

Electron Configuration
[Xe] 4f11 6s2   
[Kr] 4d10 5s2 5p1   

Crystal Structure
Hexagonal Close Packed (HCP)   
Tetragonal (TETR)   

Crystal Lattice
HCP-Crystal-Structure-of-Holmium.jpg#100   
TETR-Crystal-Structure-of-Indium.jpg#100   

Atom
  
  

Number of Protons
67   
99+
49   
99+

Number of Neutrons
98   
34
66   
99+

Number of Electrons
67   
99+
49   
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
167.00 pm   
24

Covalent Radius
192.00 pm   
17
142.00 pm   
99+

Van der Waals Radius
216.00 pm   
24
193.00 pm   
31

Atomic Weight
164.93 amu   
99+
114.82 amu   
99+

Atomic Volume
18.70 cm3/mol   
24
15.70 cm3/mol   
33

Adjacent Atomic Numbers
  
  

Previous Element
Dysprosium
  
Cadmium
  

Next Element
Erbium
  
Tin
  

Valence Electron Potential
47.90 (-eV)   
31
54.00 (-eV)   
25

Lattice Constant
357.73 pm   
38
325.23 pm   
99+

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   

Lattice C/A Ratio
1.57   
17
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
8.79 g/cm3   
99+
7.31 g/cm3   
99+

Density When Liquid (at m.p.)
8.34 g/cm3   
26
7.02 g/cm3   
33

Tensile Strength
Not Available   
2.50 MPa   
21

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)   
16
0.01 (Pa)   
11

Elasticity properties
  
  

Shear Modulus
26.30 GPa   
28
Not Available   

Bulk Modulus
40.20 GPa   
32
Not Available   

Young's Modulus
64.80 GPa   
31
11.00 GPa   
99+

Poisson Ratio
0.23   
29
Not Available   

Other Mechanical Properties
Ductile, Malleable, Sectile   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
8.80   
35
7.31   
99+

Magnetic Ordering
Paramagnetic   
Diamagnetic   

Electrical Properties
  
  

Electrical Property
Conductor   
Conductor   

Resistivity
814.00 nΩ·m   
4
83.70 nΩ·m   
34

Electrical Conductivity
0.01 106/cm Ω   
99+
0.12 106/cm Ω   
17

Electron Affinity
50.00 kJ/mol   
21
28.90 kJ/mol   
31

Thermal Properties

Specific Heat
0.16 J/(kg K)   
35
0.23 J/(kg K)   
27

Molar Heat Capacity
27.15 J/mol·K   
19
26.74 J/mol·K   
25

Thermal Conductivity
16.20 W/m·K   
99+
81.80 W/m·K   
21

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
11.20 µm/(m·K)   
35
32.10 µm/(m·K)   
9

Enthalpy
  
  

Enthalpy of Vaporization
241.00 kJ/mol   
38
226.40 kJ/mol   
40

Enthalpy of Fusion
11.76 kJ/mol   
29
3.28 kJ/mol   
99+

Enthalpy of Atomization
301.00 kJ/mol   
36
242.70 kJ/mol   
99+

Standard Molar Entropy
75.30 J/mol.K   
8
57.80 J/mol.K   
22

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