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Promethium Tin Comparison

Promethium
Tin
Tin Promethium comparison


Periodic Table
Symbol
Pm  
Sn  
Group Number
3  
15
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
-  
I41/amd  
Space Group Number
194.00  
7
141.00  
10
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  
-  
Discovery
In 1942  
Before 3500 BC  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
21
Abundance In Sun
-  
0.00 %  
19
Abundance In Meteorites
-  
0.00 %  
24
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
34
Abundance In Oceans
-  
0.00 %  
26
Abundance In Humans
0.00 %  
24
0.00 %  
15
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
-  
Automobile Industry, Chemical Industry, Food Industry  
Medical Uses
-  
Dentistry  
Other Uses
-  
-  
Biological Properties
  
  
Toxicity
Non Toxic  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.38 Blood/mg dm-3  
10
In Bone
0.00 p.p.m.  
99+
1.40 p.p.m.  
17
Physical
Melting Point
1,042.00 °C  
99+
231.90 °C  
99+
Boiling Point
3,000.00 °C  
32
2,270.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery White  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
-  
1.50  
19
Brinell Hardness
400.00 MPa  
34
50.00 MPa  
99+
Vickers Hardness
600.00 MPa  
28
50.00 MPa  
99+
Speed of Sound
2,260.00 m/s  
99+
2,730.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.70  
27
2.40  
7
Reflectivity
63.00 %  
20
51.00 %  
30
Allotropes
No  
Yes  
α Allotropes
-  
Grey Tin (alpha Tin, Tin Pest)  
β Allotropes
-  
White Tin (Beta Tin)  
γ Allotropes
-  
Rhombic Tin (gamma Tin)  
Chemical
Chemical Formula
Pm  
Sn  
Isotopes
  
  
Known Isotopes
27  
12
35  
4
Electronegativity
  
  
Pauling Electronegativity
1.13  
99+
1.96  
9
Sanderson Electronegativity
1.13  
36
1.49  
19
Allred Rochow Electronegativity
1.07  
33
1.72  
5
Mulliken-Jaffe Electronegativity
1.13  
99+
2.21  
5
Allen Electronegativity
1.13  
99+
1.82  
14
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
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  
99+
3,930.30 kJ/mol  
99+
5th Energy Level
5,400.00 kJ/mol  
99+
7,456.00 kJ/mol  
21
6th Energy Level
5,400.00 kJ/mol  
99+
7,080.00 kJ/mol  
99+
7th Energy level
5,400.00 kJ/mol  
99+
7,080.00 kJ/mol  
39
8th Energy Level
5,400.00 kJ/mol  
99+
7,080.00 kJ/mol  
35
9th Energy Level
5,400.00 kJ/mol  
99+
7,080.00 kJ/mol  
32
10th Energy Level
5,400.00 kJ/mol  
99+
7,080.00 kJ/mol  
36
11th Energy Level
5,400.00 kJ/mol  
99+
7,080.00 kJ/mol  
34
12th Energy Level
5,400.00 kJ/mol  
99+
7,080.00 kJ/mol  
99+
13th Energy Level
5,400.00 kJ/mol  
99+
7,080.00 kJ/mol  
31
14th Energy Level
5,400.00 kJ/mol  
99+
708.60 kJ/mol  
99+
15th Energy Level
54,000.00 kJ/mol  
99+
70,800.00 kJ/mol  
27
16th Energy Level
54,000.00 kJ/mol  
99+
70,800.00 kJ/mol  
22
17th Energy Level
540.50 kJ/mol  
99+
708.60 kJ/mol  
99+
18th Energy Level
5,400.00 kJ/mol  
99+
7,086.00 kJ/mol  
33
19th Energy Level
540.00 kJ/mol  
99+
708.60 kJ/mol  
39
20th Energy Level
540.00 kJ/mol  
99+
708.00 kJ/mol  
33
21st Energy Level
540.00 kJ/mol  
99+
708.60 kJ/mol  
99+
22nd Energy Level
540.00 kJ/mol  
99+
708.00 kJ/mol  
27
23rd Energy Level
540.00 kJ/mol  
99+
708.60 kJ/mol  
99+
24th Energy Level
540.00 kJ/mol  
99+
708.60 kJ/mol  
26
25th Energy Level
540.00 kJ/mol  
99+
708.60 kJ/mol  
28
26th Energy Level
540.00 kJ/mol  
99+
708.60 kJ/mol  
27
27th Energy Level
540.00 kJ/mol  
99+
708.60 kJ/mol  
27
28th Energy Level
540.00 kJ/mol  
99+
708.60 kJ/mol  
32
29th Energy Level
540.00 kJ/mol  
99+
708.60 kJ/mol  
33
30th Energy Level
540.00 kJ/mol  
99+
708.60 kJ/mol  
27
Electrochemical Equivalent
1.80 g/amp-hr  
40
1.11 g/amp-hr  
99+
Electron Work Function
5.30 eV  
5
4.42 eV  
22
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility  
Ionization, Solubility  
Atomic
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  
99+
69  
99+
Number of Electrons
61  
99+
50  
99+
Radius of an Atom
  
  
Atomic Radius
183.00 pm  
12
140.00 pm  
40
Covalent Radius
199.00 pm  
12
139.00 pm  
99+
Van der Waals Radius
236.00 pm  
20
217.00 pm  
29
Atomic Weight
145.00 amu  
99+
118.71 amu  
99+
Atomic Volume
22.39 cm3/mol  
21
16.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Neodymium
  
Indium
  
Next Element
Samarium
  
Cesium
  
Valence Electron Potential
44.10 (-eV)  
40
83.50 (-eV)  
14
Lattice Constant
-  
583.18 pm  
7
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.63  
14
0.68  
99+
Mechanical
Density
  
  
Density At Room Temperature
7.26 g/cm3  
99+
7.37 g/cm3  
99+
Density When Liquid (at m.p.)
7.26 g/cm3  
99+
6.99 g/cm3  
99+
Tensile Strength
75.00 MPa  
30
15.00 MPa  
99+
Viscosity
0.00  
25
0.00  
15
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
18
Vapor Pressure at 2000 K
0.00 (Pa)  
31
0.00 (Pa)  
38
Elasticity properties
  
  
Shear Modulus
18.00 GPa  
99+
18.00 GPa  
99+
Bulk Modulus
33.00 GPa  
99+
58.00 GPa  
21
Young's Modulus
46.00 GPa  
99+
50.00 GPa  
39
Poisson Ratio
0.28  
17
0.36  
8
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
7.26  
99+
7.31  
99+
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
11
0.00 H/m  
17
Susceptibility
0.00  
25
0.00  
30
Electrical Properties
  
  
Electrical Property
Conductor  
Superconductor  
Resistivity
0.75 nΩ·m  
99+
115.00 nΩ·m  
28
Electrical Conductivity
0.00 106/cm Ω  
99+
0.09 106/cm Ω  
28
Electron Affinity
50.00 kJ/mol  
26
107.30 kJ/mol  
9
Thermal
Specific Heat
0.18 J/(kg K)  
34
0.23 J/(kg K)  
28
Molar Heat Capacity
27.60 J/mol·K  
20
27.11 J/mol·K  
26
Thermal Conductivity
17.90 W/m·K  
99+
66.80 W/m·K  
25
Critical Temperature
1,315.00 K  
99+
505.00 K  
99+
Thermal Expansion
9.00 µm/(m·K)  
99+
22.00 µm/(m·K)  
21
Enthalpy
  
  
Enthalpy of Vaporization
289.00 kJ/mol  
99+
290.40 kJ/mol  
99+
Enthalpy of Fusion
7.50 kJ/mol  
99+
7.03 kJ/mol  
99+
Enthalpy of Atomization
310.00 kJ/mol  
99+
301.30 kJ/mol  
99+
Standard Molar Entropy
57.00 J/mol.K  
30
51.20 J/mol.K  
40
Summary >>
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