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Promethium Tin Comparison


Tin
Tin Promethium comparison


Periodic Table

Symbol
Pm   
Sn   

Group Number
Not Available   
14   
4

Period Number
6   
5   

Block
f block   
p block   

Element Family
Lanthanide   
Post-​Transition   

CAS Number
7440122   
99+
7440315   
99+

Space Group Name
Not Available   
I41/amd   

Space Group Number
Not Available   
141.00   
7

Facts

Interesting Facts
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
  
  • 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   
Found in Minerals, Mining   

History
  
  

Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe   
Unknown   

Discovery
In 1942   
Before 3500 BC   

Abundance
  
  

Abundance In Universe
Not Available   
4 * 10-7 %   
20

Abundance In Sun
~-9999 %   
~0.0000009 %   
19

Abundance In Meteorites
Not Available   
0.00 %   
24

Abundance In Earth's Crust
Not Available   
0.00 %   
34

Abundance In Oceans
Not Available   
0.00 %   
26

Abundance In Humans
Not Available   
0.00 %   
13

Uses

Uses & Benefits
  • It is used for research purpose. Very small amount of this metal is used in atomic batteries.
  • Its radioactive decay is used for a phosphor to give off light. The light emitted is converted into electricity.
  
  • 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
NA   
NA   

Biological Properties
  
  

Toxicity
Non Toxic   
Non Toxic   

Present in Human Body
No   
Yes   

In Blood
0.00 Blood/mg dm-3   
37
0.38 Blood/mg dm-3   
10

In Bone
Not Available   
1.40 p.p.m.   
16

Physical Properties

Melting Point
1,042.00 °C   
99+
231.90 °C   
99+

Boiling Point
3,000.00 °C   
31
2,270.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Unknown   
Silvery White   

Luster
Metallic   
NA   

Hardness
  
  

Mohs Hardness
Not Available   
1.50   
18

Brinell Hardness
Not Available   
50.00 MPa   
99+

Speed of Sound
Not Available   
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
Pm   
Sn   

Isotopes
  
  

Known Isotopes
27   
12
35   
4

Electronegativity
  
  

Pauling Electronegativity
Not Available   
1.96   
8

Sanderson Electronegativity
Not Available   
1.49   
15

Allred Rochow Electronegativity
1.07   
32
1.72   
4

Mulliken-Jaffe Electronegativity
Not Available   
2.21   
3

Allen Electronegativity
Not Available   
1.82   
11

Electropositivity
  
  

Pauling Electropositivity
Not Available   
2.04   
99+

Ionization Energies
  
  

1st Energy Level
540.00 kJ/mol   
99+
708.60 kJ/mol   
33

2nd Energy Level
1,050.00 kJ/mol   
99+
1,411.80 kJ/mol   
99+

3rd Energy Level
2,150.00 kJ/mol   
99+
2,943.00 kJ/mol   
30

4th Energy Level
3,970.00 kJ/mol   
38
3,930.30 kJ/mol   
99+

5th Energy Level
Not Available   
7,456.00 kJ/mol   
13

Electrochemical Equivalent
1.80 g/amp-hr   
36
1.11 g/amp-hr   
99+

Electron Work Function
Not Available   
4.42 eV   
16

Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Solubility   

Atomic Properties

Atomic Number
61   
99+
50   
99+

Electron Configuration
[Xe] 4f5 6s2   
[Kr] 4d10 5s2 5p2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Tetragonal (TETR)   

Crystal Lattice
DHCP-Crystal-Structure-of-Promethium.jpg#100   
TETR-Crystal-Structure-of-Tin.jpg#100   

Atom
  
  

Number of Protons
61   
99+
50   
99+

Number of Neutrons
84   
40
69   
99+

Number of Electrons
61   
99+
50   
99+

Radius of an Atom
  
  

Atomic Radius
183.00 pm   
10
140.00 pm   
38

Covalent Radius
199.00 pm   
12
139.00 pm   
99+

Van der Waals Radius
236.00 pm   
16
217.00 pm   
23

Atomic Weight
145.00 amu   
99+
118.71 amu   
99+

Atomic Volume
22.39 cm3/mol   
12
16.30 cm3/mol   
32

Adjacent Atomic Numbers
  
  

Previous Element
Neodymium
  
Indium
  

Next Element
Samarium
  
Cesium
  

Valence Electron Potential
44.10 (-eV)   
39
83.50 (-eV)   
14

Lattice Constant
Not Available   
583.18 pm   
7

Lattice Angles
Unknown   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
7.26 g/cm3   
99+
7.37 g/cm3   
99+

Density When Liquid (at m.p.)
Not Available   
6.99 g/cm3   
34

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
17

Elasticity properties
  
  

Shear Modulus
18.00 GPa   
36
18.00 GPa   
36

Bulk Modulus
33.00 GPa   
36
58.00 GPa   
20

Young's Modulus
46.00 GPa   
38
50.00 GPa   
36

Poisson Ratio
0.28   
17
0.36   
8

Other Mechanical Properties
NA   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
7.26   
99+
7.31   
99+

Magnetic Ordering
Paramagnetic   
Diamagnetic   

Electrical Properties
  
  

Electrical Property
Conductor   
Superconductor   

Resistivity
0.75 nΩ·m   
99+
115.00 nΩ·m   
28

Electrical Conductivity
Not Available   
0.09 106/cm Ω   
23

Electron Affinity
50.00 kJ/mol   
21
107.30 kJ/mol   
8

Thermal Properties

Specific Heat
0.18 J/(kg K)   
33
0.23 J/(kg K)   
28

Molar Heat Capacity
Not Available   
27.11 J/mol·K   
20

Thermal Conductivity
17.90 W/m·K   
99+
66.80 W/m·K   
25

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
9.00 µm/(m·K)   
99+
22.00 µm/(m·K)   
20

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
290.40 kJ/mol   
32

Enthalpy of Fusion
7.50 kJ/mol   
99+
7.03 kJ/mol   
99+

Enthalpy of Atomization
310.00 kJ/mol   
34
301.30 kJ/mol   
35

Standard Molar Entropy
Not Available   
51.20 J/mol.K   
29

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