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Moscovium Polonium Comparison


Polonium Moscovium comparison


Periodic Table

Symbol
Mc   
Po   

Group Number
15   
3
16   
2

Period Number
7   
6   

Block
p block   
p block   

Element Family
Probably Post-​Transition   
Post-​Transition   

CAS Number
54085642   
4
7440086   
99+

Space Group Name
Not Available   
Pm-3m   

Space Group Number
Not Available   
221.00   
3

Facts

Interesting Facts
Not Available   
  • Polonium was the first radioactive element to be discovered.
  • Polonium element and its compounds are highly radioactive.
  • Its alloy with Beryllium provides source of neutrons.
  

Sources
Synthetically Produced   
Mining, Ores of metals   

History
  
  

Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory   
Pierre Curie and Marie Curie   

Discovery
In 2003   
In 1898   

Abundance
  
  

Abundance In Oceans
Not Available   
0.00 %   
99+

Uses

Uses & Benefits
  • Currently known uses of Ununpentium metal are limited to research purpose only.
  
  • Polonium metal has different Allotropes, it is used in antistatic devices and for research purpose.
  • A 1 gram of Polonium can reach a temperature of 500°C, hence it is used as a heat source for space equipment.
  

Industrial Uses
NA   
Aerospace Industry, Ammunition Industry   

Medical Uses
NA   
NA   

Other Uses
Research Purposes   
Alloys   

Biological Properties
  
  

Toxicity
Unknown   
Highly Toxic   

Present in Human Body
No   
No   

In Blood
Not Available   
0.00 Blood/mg dm-3   
37

In Bone
Not Available   
0.00 p.p.m.   
36

Physical Properties

Melting Point
400.00 °C   
99+
254.00 °C   
99+

Boiling Point
1,100.00 °C   
99+
962.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Unknown   
Silver   

Luster
Unknown Luster   
NA   

Hardness
  
  

Speed of Sound
Not Available   
Not Available   

Optical Properties
  
  

Allotropes
No   
Yes   

α Allotropes
Not Available   
α-polonium   

β Allotropes
Not Available   
β-polonium   

γ Allotropes
Not Available   
Not Available   

Chemical Properties

Chemical Formula
Mc   
Po   

Isotopes
  
  

Known Isotopes
5   
32
29   
10

Electronegativity
  
  

Pauling Electronegativity
Not Available   
2.00   
7

Allred Rochow Electronegativity
Not Available   
1.76   
2

Mulliken-Jaffe Electronegativity
Not Available   
2.48   
1

Allen Electronegativity
Not Available   
2.19   
2

Electropositivity
  
  

Pauling Electropositivity
Not Available   
2.00   
99+

Ionization Energies
  
  

1st Energy Level
538.40 kJ/mol   
99+
812.10 kJ/mol   
14

2nd Energy Level
1,756.00 kJ/mol   
24
Not Available   

3rd Energy Level
2,653.30 kJ/mol   
40
Not Available   

4th Energy Level
4,679.50 kJ/mol   
24
Not Available   

5th Energy Level
5,721.60 kJ/mol   
27
Not Available   

Electrochemical Equivalent
Not Available   
3.90 g/amp-hr   
8

Electron Work Function
Not Available   
Not Available   

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

Atomic Properties

Atomic Number
115   
3
84   
32

Electron Configuration
[Rn] 5f14 6d10 7s2 7p3   
[Xe] 4f14 5d10 6s2 6p4   

Crystal Structure
Not Known   
Monoclinic (MON)   

Crystal Lattice
Unknown-Crystal-Structure-of-Ununpentium.jpg#100   
MON-Crystal-Structure-of-Polonium.jpg#100   

Atom
  
  

Number of Protons
115   
3
84   
32

Number of Neutrons
159   
5
125   
19

Number of Electrons
115   
3
84   
32

Radius of an Atom
  
  

Atomic Radius
Not Available   
168.00 pm   
23

Covalent Radius
Not Available   
140.00 pm   
99+

Van der Waals Radius
Not Available   
197.00 pm   
29

Atomic Weight
289.00 amu   
3
209.00 amu   
28

Atomic Volume
Not Available   
22.23 cm3/mol   
13

Adjacent Atomic Numbers
  
  

Previous Element
Flerovium
  
Bismuth
  

Next Element
Francium
  

Valence Electron Potential
Not Available   
Not Available   

Lattice Constant
Not Available   
335.90 pm   
99+

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
4.51 g/cm3   
99+
9.20 g/cm3   
99+

Density When Liquid (at m.p.)
Not Available   
9.40 g/cm3   
19

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Elasticity properties
  
  

Poisson Ratio
Not Available   
Not Available   

Other Mechanical Properties
Unknown   
NA   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
Not Available   
9.32   
31

Magnetic Ordering
Paramagnetic   
Nonmagnetic   

Electrical Properties
  
  

Electrical Property
Unknown   
Conductor   

Resistivity
Not Available   
0.40 nΩ·m   
99+

Electrical Conductivity
Not Available   
0.02 106/cm Ω   
99+

Electron Affinity
Not Available   
183.30 kJ/mol   
3

Thermal Properties

Specific Heat
Not Available   
0.12 J/(kg K)   
40

Molar Heat Capacity
Not Available   
26.40 J/mol·K   
28

Thermal Conductivity
Not Available   
20.00 W/m·K   
99+

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
Not Available   
23.50 µm/(m·K)   
16

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
60.30 kJ/mol   
99+

Enthalpy of Fusion
Not Available   
13.00 kJ/mol   
26

Enthalpy of Atomization
Not Available   
134.00 kJ/mol   
99+

Standard Molar Entropy
Not Available   
Not Available   

Summary >>
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