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Properties of Tin and Polonium

Tin
Polonium
Properties of Polonium & Tin


Physical Properties
Melting Point
231.90 °C   
99+
254.00 °C   
99+
Boiling Point
2,270.00 °C   
99+
962.00 °C   
99+
Hardness
  
  
Mohs Hardness
1.50   
18
Not Available   
Brinell Hardness
50.00 MPa   
99+
Not Available   
Vickers Hardness
Not Available   
Not Available   
Optical Properties
  
  
Refractive Index
Not Available   
Not Available   
Reflectivity
Not Available   
Not Available   
Speed of Sound
2,730.00 m/s   
32
Not Available   
Allotropes
Yes   
Yes   
α Allotropes
Grey Tin (Alpha Tin, Tin Pest)   
?
simple cubic (metallic)Α-Polonium   
β Allotropes
White Tin (Beta Tin)   
?
rhombohedral (metallic)Β-Polonium   
γ Allotropes
Rhombic Tin (Gamma Tin)   
Not Available   
Chemical Properties
Chemical Formula
Sn   
Po   
Isotopes
  
  
Known Isotopes
35   
4
29   
10
Electronegativity
  
  
Pauling Electronegativity
1.96   
8
2.00   
7
Sanderson Electronegativity
1.49   
15
Not Available   
Allred Rochow Electronegativity
1.72   
4
1.76   
2
Mulliken-Jaffe Electronegativity
2.21   
3
2.48   
1
Allen Electronegativity
1.82   
11
2.19   
2
Electropositivity
  
  
Pauling Electropositivity
2.04   
99+
2.00   
99+
Ionization Energies
  
  
1st Energy Level
708.60 kJ/mol   
33
812.10 kJ/mol   
14
2nd Energy Level
1,411.80 kJ/mol   
99+
Not Available   
3rd Energy Level
2,943.00 kJ/mol   
30
Not Available   
Electrochemical Equivalent
1.11 g/amp-hr   
99+
3.90 g/amp-hr   
8
Electron Work Function
4.42 eV   
16
Not Available   
Other Chemical Properties
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility   
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility   
Mechanical Properties
Density
  
  
Density At Room Temperature
7.37 g/cm3   
99+
9.20 g/cm3   
99+
Density When Liquid (at m.p.)
6.99 g/cm3   
34
9.40 g/cm3   
19
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
17
Not Available   
Vapor Pressure at 2000 K
Not Available   
Not Available   
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Elasticity properties
  
  
Shear Modulus
18.00 GPa   
36
Not Available   
Bulk Modulus
58.00 GPa   
20
Not Available   
Young's Modulus
50.00 GPa   
36
Not Available   
Poisson Ratio
0.36   
8
Not Available   
Other Mechanical Properties
?
Ductility of metals defines their ability to deform under tensile stress; this is often characterized by the metals ability to be stretched into a wire.Ductile, 
?
Malleability of metals defines their ability to deform under compressive stress; this is often characterized by the metals ability to form a thin sheet by hammering or rolling.Malleable   
NA   
Periodic Table
Symbol
Sn   
Po   
Group Number
14   
4
16   
2
Period Number
5   
6   
Block
?
The p-block is on the right side of the periodic table and includes elements from the six columns beginning with column 13 and ending with column 18. Helium, though being in the top of group 18, is not included in the p-block.p block   
?
The p-block is on the right side of the periodic table and includes elements from the six columns beginning with column 13 and ending with column 18. Helium, though being in the top of group 18, is not included in the p-block.p block   
Element Family
?
All post transition metals are placed in group number 13, 14 and 15 of periodic table. In fact, they are located between Transition Metals and Metalloids. Post transition metals have very poor mechanical properties.Post-​Transition   
?
All post transition metals are placed in group number 13, 14 and 15 of periodic table. In fact, they are located between Transition Metals and Metalloids. Post transition metals have very poor mechanical properties.Post-​Transition   
Atomic Properties
Atomic Number
50   
99+
84   
32
Atomic Weight
118.71 amu   
99+
209.00 amu   
28
Atomic Volume
16.30 cm3/mol   
32
22.23 cm3/mol   
13
Electron Configuration
[Kr] 4d10 5s2 5p2   
[Xe] 4f14 5d10 6s2 6p4   
Valence Electron Potential
83.50 (-eV)   
14
Not Available   
Atom
  
  
Number of Protons
50   
99+
84   
32
Number of Neutrons
69   
99+
125   
19
Number of Electrons
50   
99+
84   
32
Crystal Structure
?
The tetragonal crystal structure occur as a result of stretching a cubic lattice along one of its lattice vectors due to which cube becomes a rectangular prism with a square shape at base.Tetragonal (TETR)   
?
The mono-clinic crystal structure is one of the seven lattice point groups. Here vectors of crystal have unequal lengths. Here vectors of crystal have unequal lengths and have two vectors perpendicular to the 3rd oneMonoclinic (MON)   
Crystal Lattice
TETR-Crystal-Structure-of-Tin.jpg#100   
MON-Crystal-Structure-of-Polonium.jpg#100   
Radius of an Atom
  
  
Atomic Radius
140.00 pm   
38
168.00 pm   
23
Covalent Radius
139.00 pm   
99+
140.00 pm   
99+
Van der Waals Radius
217.00 pm   
23
197.00 pm   
29
Lattice Constant
583.18 pm   
7
335.90 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Adjacent Atomic Numbers
  
  
Next Element
Cesium
  
Francium
  
Previous Element
Indium
  
Bismuth
  
Magnetic Properties
Electrical Properties
  
  
Resistivity
115.00 nΩ·m   
28
0.40 nΩ·m   
99+
Electrical Conductivity
0.09 106/cm Ω   
23
0.02 106/cm Ω   
99+
Electron Affinity
107.30 kJ/mol   
8
183.30 kJ/mol   
3
Electrical Property
?
Under certain conditions, superconductor metals offer zero resistance to electric current it means this type of metals will conduct electricity without any resistance.Superconductor   
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor   
Magnetic Characteristics
  
  
Specific Gravity
7.31   
99+
9.32   
31
Magnetic Ordering
?
Diamagnetic metals produce a magnetic field opposite to the applied magnetic field. Thus, they are repelled by magnets and show magnetic nature.Diamagnetic   
?
Nonmagnetic metals are non magnetic in nature and do not show or exhibit any magnetic properties.Nonmagnetic   
Permeability
Not Available   
Not Available   
Susceptibility
Not Available   
Not Available   
Thermal Properties
Specific Heat
0.23 J/(kg K)   
28
0.12 J/(kg K)   
40
Thermal Conductivity
66.80 W/m·K   
25
20.00 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Molar Heat Capacity
27.11 J/mol·K   
20
26.40 J/mol·K   
28
Thermal Expansion
22.00 µm/(m·K)   
20
23.50 µm/(m·K)   
16
Standard Molar Entropy
51.20 J/mol.K   
29
Not Available   
Enthalpy
  
  
Enthalpy of Vaporization
290.40 kJ/mol   
32
60.30 kJ/mol   
99+
Enthalpy of Fusion
7.03 kJ/mol   
99+
13.00 kJ/mol   
26
Enthalpy of Atomization
301.30 kJ/mol   
35
134.00 kJ/mol   
99+
All >>
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