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Holmium vs Tin

Holmium
Tin
Tin vs Holmium


Periodic Table
Symbol
Ho   
Sn   
Group Number
Not Available   
14   
4
Period Number
6   
5   
Block
f block   
p block   
Element Family
Lanthanide   
Post-​Transition   
CAS Number
7440600   
29
7440315   
99+
Space Group Name
P63/mmc   
I41/amd   
Space Group Number
194.00   
5
141.00   
7
Facts
Interesting Facts
  • Holmium metal is very soft and malleable.
  • Holmium metal is well known for its corrosion resistivity.
  
  • In the list of most abundant element Tin is ranked 49th.
  • Tin metal does not react with water as well as does not corrode in it.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining   
History
  
  
Who Discovered
Marc Delafontaine   
Unknown   
Discovery
In 1878   
Before 3500 BC   
Abundance
  
  
Abundance In Universe
5 * 10-8 %   
27
4 * 10-7 %   
20
Abundance In Sun
~-9999 %   
~0.0000009 %   
19
Abundance In Meteorites
0.00 %   
99+
0.00 %   
24
Abundance In Earth's Crust
0.00 %   
38
0.00 %   
34
Abundance In Oceans
0.00 %   
99+
0.00 %   
26
Abundance In Humans
Not Available   
0.00 %   
13
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.
  
  • Tin-niobium alloy is used for producing superconducting magnets.
  • Tin salt known as a tin II chloride, it is used as a mordant and as a reducing agent for dyeing calico and silk.
  
Industrial Uses
NA   
Automobile Industry, Chemical Industry, Food Industry   
Medical Uses
NA   
Dentistry   
Other Uses
Alloys, Nuclear Research   
NA   
Biological Properties
  
  
Toxicity
Low Toxic   
Non Toxic   
Present in Human Body
No   
Yes   
In Blood
Not Available   
0.38 Blood/mg dm-3   
10
In Bone
Not Available   
1.40 p.p.m.   
16
Physical Properties
Melting Point
1,461.00 °C   
30
231.90 °C   
99+
Boiling Point
2,600.00 °C   
99+
2,270.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery White   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
Not Available   
1.50   
18
Brinell Hardness
746.00 MPa   
13
50.00 MPa   
99+
Vickers Hardness
481.00 MPa   
23
Not Available   
Speed of Sound
2,760.00 m/s   
30
2,730.00 m/s   
32
Optical Properties
  
  
Allotropes
No   
Yes   
α Allotropes
Not Available   
Grey Tin (alpha Tin, Tin Pest)   
β Allotropes
Not Available   
White Tin (Beta Tin)   
γ Allotropes
Not Available   
Rhombic Tin (gamma Tin)   
Chemical Properties
Chemical Formula
Ho   
Sn   
Isotopes
  
  
Known Isotopes
34   
5
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.23   
37
1.96   
8
Sanderson Electronegativity
Not Available   
1.49   
15
Allred Rochow Electronegativity
1.10   
30
1.72   
4
Mulliken-Jaffe Electronegativity
Not Available   
2.21   
3
Allen Electronegativity
Not Available   
1.82   
11
Electropositivity
  
  
Pauling Electropositivity
2.77   
17
2.04   
99+
Ionization Energies
  
  
1st Energy Level
581.00 kJ/mol   
99+
708.60 kJ/mol   
33
2nd Energy Level
1,140.00 kJ/mol   
99+
1,411.80 kJ/mol   
99+
3rd Energy Level
2,204.00 kJ/mol   
99+
2,943.00 kJ/mol   
30
4th Energy Level
4,100.00 kJ/mol   
34
3,930.30 kJ/mol   
99+
5th Energy Level
Not Available   
7,456.00 kJ/mol   
13
Electrochemical Equivalent
2.02 g/amp-hr   
29
1.11 g/amp-hr   
99+
Electron Work Function
Not Available   
4.42 eV   
16
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Solubility   
Atomic Properties
Atomic Number
67   
99+
50   
99+
Electron Configuration
[Xe] 4f11 6s2   
[Kr] 4d10 5s2 5p2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Tetragonal (TETR)   
Crystal Lattice
HCP-Crystal-Structure-of-Holmium.jpg#100   
TETR-Crystal-Structure-of-Tin.jpg#100   
Atom
  
  
Number of Protons
67   
99+
50   
99+
Number of Neutrons
98   
34
69   
99+
Number of Electrons
67   
99+
50   
99+
Radius of an Atom
  
  
Atomic Radius
176.00 pm   
18
140.00 pm   
38
Covalent Radius
192.00 pm   
17
139.00 pm   
99+
Van der Waals Radius
216.00 pm   
24
217.00 pm   
23
Atomic Weight
164.93 amu   
99+
118.71 amu   
99+
Atomic Volume
18.70 cm3/mol   
24
16.30 cm3/mol   
32
Adjacent Atomic Numbers
  
  
Previous Element
Dysprosium
  
Indium
  
Next Element
Erbium
  
Cesium
  
Valence Electron Potential
47.90 (-eV)   
31
83.50 (-eV)   
14
Lattice Constant
357.73 pm   
38
583.18 pm   
7
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+
7.37 g/cm3   
99+
Density When Liquid (at m.p.)
8.34 g/cm3   
26
6.99 g/cm3   
34
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
16
0.00 (Pa)   
17
Elasticity properties
  
  
Shear Modulus
26.30 GPa   
28
18.00 GPa   
36
Bulk Modulus
40.20 GPa   
32
58.00 GPa   
20
Young's Modulus
64.80 GPa   
31
50.00 GPa   
36
Poisson Ratio
0.23   
29
0.36   
8
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   
Superconductor   
Resistivity
814.00 nΩ·m   
4
115.00 nΩ·m   
28
Electrical Conductivity
0.01 106/cm Ω   
99+
0.09 106/cm Ω   
23
Electron Affinity
50.00 kJ/mol   
21
107.30 kJ/mol   
8
Thermal Properties
Specific Heat
0.16 J/(kg K)   
35
0.23 J/(kg K)   
28
Molar Heat Capacity
27.15 J/mol·K   
19
27.11 J/mol·K   
20
Thermal Conductivity
16.20 W/m·K   
99+
66.80 W/m·K   
25
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
11.20 µm/(m·K)   
35
22.00 µm/(m·K)   
20
Enthalpy
  
  
Enthalpy of Vaporization
241.00 kJ/mol   
38
290.40 kJ/mol   
32
Enthalpy of Fusion
11.76 kJ/mol   
29
7.03 kJ/mol   
99+
Enthalpy of Atomization
301.00 kJ/mol   
36
301.30 kJ/mol   
35
Standard Molar Entropy
75.30 J/mol.K   
8
51.20 J/mol.K   
29
Periodic Table >>
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