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Polonium Copper Comparison


Copper Polonium comparison


Periodic Table

Symbol
Po   
Cu   

Group Number
16   
2
11   
7

Period Number
6   
4   

Block
p block   
d block   

Element Family
Post-​Transition   
Transition Metal   

CAS Number
7440086   
99+
7440508   
37

Space Group Name
Pm-3m   
Fm_ 3m   

Space Group Number
221.00   
3
225.00   
2

Facts

Interesting Facts
  • 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.
  
  • Copper rarely found in its pure form in nature.
  • Copper Sulfate is mostly used in agricultural poison and as an algicide in water purification system.
  

Sources
Mining, Ores of metals   
Found in Minerals   

History
  
  

Who Discovered
Pierre Curie and Marie Curie   
Unknown   

Discovery
In 1898   
In Middle East (9000 BCE)   

Abundance
  
  

Abundance In Universe
Not Available   
6 * 10-6 %   
12

Abundance In Sun
~-9999 %   
~0.00007 %   
12

Abundance In Meteorites
Not Available   
0.01 %   
13

Abundance In Earth's Crust
Not Available   
0.01 %   
17

Abundance In Oceans
0.00 %   
99+
0.00 %   
8

Abundance In Humans
Not Available   
0.00 %   
9

Uses

Uses & Benefits
  • 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.
  
  • It is use for coinage and bullion.
  • Most of copper element is used in manufacturing electrical and electronic equipments such as wirings and components. It is also used in construction and industrial machine.
  

Industrial Uses
Aerospace Industry, Ammunition Industry   
Chemical Industry, Electronic Industry   

Medical Uses
NA   
NA   

Other Uses
Alloys   
Alloys, Coinage, Jewellery   

Biological Properties
  
  

Toxicity
Highly Toxic   
Non Toxic   

Present in Human Body
No   
Yes   

In Blood
0.00 Blood/mg dm-3   
37
1.01 Blood/mg dm-3   
8

In Bone
0.00 p.p.m.   
36
26.00 p.p.m.   
12

Physical Properties

Melting Point
254.00 °C   
99+
1,084.62 °C   
40

Boiling Point
962.00 °C   
99+
2,562.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Copper   

Luster
NA   
NA   

Hardness
  
  

Mohs Hardness
Not Available   
3.00   
12

Brinell Hardness
Not Available   
235.00 MPa   
38

Vickers Hardness
Not Available   
343.00 MPa   
28

Speed of Sound
Not Available   
3,810.00 m/s   
19

Optical Properties
  
  

Reflectivity
Not Available   
90.00 %   
3

Allotropes
Yes   
No   

α Allotropes
α-polonium   
Not Available   

β Allotropes
β-polonium   
Not Available   

γ Allotropes
Not Available   
Not Available   

Chemical Properties

Chemical Formula
Po   
Cu   

Isotopes
  
  

Known Isotopes
29   
10
29   
10

Electronegativity
  
  

Pauling Electronegativity
2.00   
7
1.90   
11

Sanderson Electronegativity
Not Available   
1.98   
9

Allred Rochow Electronegativity
1.76   
2
1.75   
3

Mulliken-Jaffe Electronegativity
2.48   
1
1.49   
14

Allen Electronegativity
2.19   
2
1.85   
9

Electropositivity
  
  

Pauling Electropositivity
2.00   
99+
2.10   
99+

Ionization Energies
  
  

1st Energy Level
812.10 kJ/mol   
14
745.50 kJ/mol   
22

2nd Energy Level
Not Available   
1,957.90 kJ/mol   
15

3rd Energy Level
Not Available   
3,555.00 kJ/mol   
15

4th Energy Level
Not Available   
5,536.00 kJ/mol   
12

5th Energy Level
Not Available   
7,700.00 kJ/mol   
11

6th Energy Level
Not Available   
9,900.00 kJ/mol   
10

7th Energy level
Not Available   
13,400.00 kJ/mol   
7

8th Energy Level
Not Available   
16,000.00 kJ/mol   
9

9th Energy Level
Not Available   
19,200.00 kJ/mol   
9

10th Energy Level
Not Available   
22,400.00 kJ/mol   
11

11th Energy Level
Not Available   
25,600.00 kJ/mol   
13

12th Energy Level
Not Available   
35,600.00 kJ/mol   
6

13th Energy Level
Not Available   
38,700.00 kJ/mol   
6

14th Energy Level
Not Available   
42,000.00 kJ/mol   
7

15th Energy Level
Not Available   
46,700.00 kJ/mol   
9

16th Energy Level
Not Available   
50,200.00 kJ/mol   
10

17th Energy Level
Not Available   
53,700.00 kJ/mol   
12

18th Energy Level
Not Available   
61,100.00 kJ/mol   
10

19th Energy Level
Not Available   
64,702.00 kJ/mol   
11

20th Energy Level
Not Available   
163,700.00 kJ/mol   
2

21st Energy Level
Not Available   
174,100.00 kJ/mol   
2

22nd Energy Level
Not Available   
184,900.00 kJ/mol   
1

23rd Energy Level
Not Available   
198,800.00 kJ/mol   
1

Electrochemical Equivalent
3.90 g/amp-hr   
8
1.19 g/amp-hr   
99+

Electron Work Function
Not Available   
4.65 eV   
11

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

Atomic Properties

Atomic Number
84   
32
29   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p4   
[Ar] 3d10 4s1   

Crystal Structure
Monoclinic (MON)   
Face Centered Cubic (FCC)   

Crystal Lattice
MON-Crystal-Structure-of-Polonium.jpg#100   
FCC-Crystal-Structure-of-Copper.jpg#100   

Atom
  
  

Number of Protons
84   
32
29   
99+

Number of Neutrons
125   
19
35   
99+

Number of Electrons
84   
32
29   
99+

Radius of an Atom
  
  

Atomic Radius
168.00 pm   
23
128.00 pm   
99+

Covalent Radius
140.00 pm   
99+
132.00 pm   
99+

Van der Waals Radius
197.00 pm   
29
140.00 pm   
99+

Atomic Weight
209.00 amu   
28
63.55 amu   
99+

Atomic Volume
22.23 cm3/mol   
13
7.10 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Bismuth
  
Nickel
  

Next Element
Francium
  
Zinc
  

Valence Electron Potential
Not Available   
34.00 (-eV)   
99+

Lattice Constant
335.90 pm   
99+
361.49 pm   
35

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

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

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

Density When Liquid (at m.p.)
9.40 g/cm3   
19
8.02 g/cm3   
27

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
1.53 (Pa)   
8

Elasticity properties
  
  

Shear Modulus
Not Available   
48.00 GPa   
15

Bulk Modulus
Not Available   
140.00 GPa   
12

Young's Modulus
Not Available   
120.00 GPa   
17

Poisson Ratio
Not Available   
0.34   
10

Other Mechanical Properties
NA   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
9.32   
31
8.89   
34

Magnetic Ordering
Nonmagnetic   
Diamagnetic   

Permeability
Not Available   
1.256629 * 10-6 H/m   
5

Susceptibility
Not Available   
-9.63 * 10-6   
4

Electrical Properties
  
  

Electrical Property
Conductor   
Conductor   

Resistivity
0.40 nΩ·m   
99+
16.78 nΩ·m   
99+

Electrical Conductivity
0.02 106/cm Ω   
99+
0.60 106/cm Ω   
2

Electron Affinity
183.30 kJ/mol   
3
222.80 kJ/mol   
1

Thermal Properties

Specific Heat
0.12 J/(kg K)   
40
0.38 J/(kg K)   
15

Molar Heat Capacity
26.40 J/mol·K   
28
24.44 J/mol·K   
99+

Thermal Conductivity
20.00 W/m·K   
99+
401.00 W/m·K   
2

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
23.50 µm/(m·K)   
16
16.50 µm/(m·K)   
25

Enthalpy
  
  

Enthalpy of Vaporization
60.30 kJ/mol   
99+
283.70 kJ/mol   
33

Enthalpy of Fusion
13.00 kJ/mol   
26
7.11 kJ/mol   
99+

Enthalpy of Atomization
134.00 kJ/mol   
99+
338.90 kJ/mol   
29

Standard Molar Entropy
Not Available   
33.20 J/mol.K   
99+

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