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Lead vs Hassium


Hassium vs Lead


Periodic Table

Symbol
Pb  
Hs  

Group Number
14  
4
8  
10

Period Number
6  
7  

Block
p block  
d block  

Element Family
Post-​Transition  
Transition Metal  

CAS Number
7439921  
99+
54037579  
11

Space Group Name
Fm_ 3m  
-  

Space Group Number
225.00  
3
166.00  
9

Facts

Interesting Facts
  • Galena mineral contains almost 87% of Lead metal in it, Galena is sulfide mineral.
  • The best available source of Lead metal today is by recycling automobile batteries.
  
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  

Sources
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals  
Synthetically Produced  

History
  
  

Who Discovered
-  
Gesellschaft für Schwerionenforschung  

Discovery
In Middle Easterns (7000 BCE)  
In 1984  

Abundance
  
  

Abundance In Universe
0.00 %  
17
0.00 %  
40

Abundance In Sun
0.00 %  
18
-  

Abundance In Meteorites
0.00 %  
23
0.00 %  
99+

Abundance In Earth's Crust
0.00 %  
26
-  

Abundance In Oceans
0.00 %  
22
-  

Abundance In Humans
0.00 %  
9
-  

Uses

Uses & Benefits
  • It is also used in insecticides, hair dyes and as an anti-knocking additive for petrol. But all these are banned by the government as Lead metal is known for detrimental to health.
  
  • Currently known uses of Hassium metal are limited to research purpose only.
  

Industrial Uses
Chemical Industry, Electrical Industry, Electronic Industry  
-  

Medical Uses
Surgical Instruments Manufacturing  
-  

Other Uses
Alloys  
Research Purposes  

Biological Properties
  
  

Toxicity
Toxic  
-  

Present in Human Body
Yes  
No  

In Blood
0.21 Blood/mg dm-3  
11
0.00 Blood/mg dm-3  
40

In Bone
30.00 p.p.m.  
10
0.00 p.p.m.  
99+

Physical

Melting Point
327.50 °C  
99+
-  

Boiling Point
1,740.00 °C  
99+
0.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Gray  
Silver  

Luster
Metallic  
-  

Hardness
  
  

Mohs Hardness
1.50  
19
4.50  
10

Brinell Hardness
38.00 MPa  
99+
230.00 MPa  
99+

Vickers Hardness
38.00 MPa  
99+
2,450.00 MPa  
5

Speed of Sound
1,190.00 m/s  
99+
2,760.00 m/s  
99+

Optical Properties
  
  

Refractive Index
2.02  
14
1.30  
99+

Reflectivity
5.00 %  
39
69.00 %  
14

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Pb  
Hs  

Isotopes
  
  

Known Isotopes
35  
4
7  
31

Electronegativity
  
  

Pauling Electronegativity
1.87  
14
2.20  
5

Sanderson Electronegativity
2.29  
4
1.30  
25

Allred Rochow Electronegativity
1.55  
12
1.30  
25

Mulliken-Jaffe Electronegativity
2.41  
2
1.30  
33

Allen Electronegativity
1.85  
11
1.30  
40

Electropositivity
  
  

Pauling Electropositivity
1.67  
99+
2.00  
99+

Ionization Energies
  
  

1st Energy Level
715.60 kJ/mol  
31
733.30 kJ/mol  
26

2nd Energy Level
1,450.50 kJ/mol  
99+
1,756.00 kJ/mol  
25

3rd Energy Level
3,081.50 kJ/mol  
23
2,827.00 kJ/mol  
37

4th Energy Level
4,083.00 kJ/mol  
99+
3,637.50 kJ/mol  
99+

5th Energy Level
6,640.00 kJ/mol  
32
4,940.00 kJ/mol  
99+

6th Energy Level
7,150.00 kJ/mol  
99+
6,175.10 kJ/mol  
99+

7th Energy level
7,156.00 kJ/mol  
36
7,535.50 kJ/mol  
32

8th Energy Level
7,150.00 kJ/mol  
32
8,857.40 kJ/mol  
21

9th Energy Level
7,156.00 kJ/mol  
30
5,400.00 kJ/mol  
99+

10th Energy Level
7,156.00 kJ/mol  
34
6,100.00 kJ/mol  
99+

11th Energy Level
7,156.00 kJ/mol  
33
6,100.00 kJ/mol  
99+

12th Energy Level
7,150.00 kJ/mol  
99+
3,500.00 kJ/mol  
99+

13th Energy Level
7,150.00 kJ/mol  
28
4,200.00 kJ/mol  
99+

14th Energy Level
715.60 kJ/mol  
99+
1,124.00 kJ/mol  
99+

15th Energy Level
71,500.00 kJ/mol  
24
68,200.00 kJ/mol  
31

16th Energy Level
71,500.00 kJ/mol  
19
32,800.00 kJ/mol  
99+

17th Energy Level
715.60 kJ/mol  
40
1,089.00 kJ/mol  
22

18th Energy Level
7,150.00 kJ/mol  
30
3,300.00 kJ/mol  
99+

19th Energy Level
715.60 kJ/mol  
37
1,086.50 kJ/mol  
19

20th Energy Level
715.00 kJ/mol  
31
880.00 kJ/mol  
14

21st Energy Level
715.60 kJ/mol  
99+
1,086.00 kJ/mol  
30

22nd Energy Level
715.00 kJ/mol  
25
350.00 kJ/mol  
99+

23rd Energy Level
715.60 kJ/mol  
99+
1,120.00 kJ/mol  
34

24th Energy Level
715.60 kJ/mol  
24
540.90 kJ/mol  
99+

25th Energy Level
715.00 kJ/mol  
25
610.00 kJ/mol  
99+

26th Energy Level
715.60 kJ/mol  
24
587.40 kJ/mol  
99+

27th Energy Level
715.60 kJ/mol  
23
880.00 kJ/mol  
5

28th Energy Level
715.60 kJ/mol  
29
840.00 kJ/mol  
14

29th Energy Level
715.60 kJ/mol  
30
867.80 kJ/mol  
11

30th Energy Level
715.00 kJ/mol  
24
0.00 kJ/mol  
99+

Electrochemical Equivalent
3.87 g/amp-hr  
9
3.00 g/amp-hr  
21

Electron Work Function
4.25 eV  
28
4.90 eV  
12

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes  
Ionization, Radioactive Isotopes, Radioactivity  

Atomic

Atomic Number
82  
34
108  
10

Electron Configuration
[Xe] 4f14 5d10 6s2 6p2  
[Rn] 5f14 6d6 7s2  

Crystal Structure
Face Centered Cubic (FCC)  
Hexagonal Close Packed (HCP)  

Crystal Lattice
FCC-Crystal-Structure-of-Lead.jpg#100  
BCC-Crystal-Structure-.jpg#100  

Atom
  
  

Number of Protons
82  
34
108  
10

Number of Neutrons
125  
20
158  
7

Number of Electrons
82  
34
108  
10

Radius of an Atom
  
  

Atomic Radius
175.00 pm  
21
126.00 pm  
99+

Covalent Radius
146.00 pm  
40
134.00 pm  
99+

Van der Waals Radius
202.00 pm  
34
0.00 pm  
99+

Atomic Weight
207.20 amu  
30
269.00 amu  
9

Atomic Volume
18.17 cm3/mol  
39
22.70 cm3/mol  
18

Adjacent Atomic Numbers
  
  

Previous Element
Thallium
  
Bohrium
  

Next Element
Bismuth
  

Valence Electron Potential
24.20 (-eV)  
99+
0.00 (-eV)  
99+

Lattice Constant
495.08 pm  
18
-  

Lattice Angles
π/2, π/2, π/2  
-  

Lattice C/A Ratio
1.51  
99+
1.31  
99+

Mechanical

Density
  
  

Density At Room Temperature
11.34 g/cm3  
35
40.70 g/cm3  
1

Density When Liquid (at m.p.)
10.66 g/cm3  
36
41.00 g/cm3  
1

Tensile Strength
12.00 MPa  
99+
80.00 MPa  
29

Viscosity
0.00  
29
0.00  
27

Vapor Pressure
  
  

Vapor Pressure at 1000 K
1.64 (Pa)  
7
0.00 (Pa)  
37

Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
30

Elasticity properties
  
  

Shear Modulus
5.60 GPa  
99+
40.00 GPa  
19

Bulk Modulus
46.00 GPa  
28
40.00 GPa  
38

Young's Modulus
16.00 GPa  
99+
40.00 GPa  
99+

Poisson Ratio
0.44  
3
0.34  
10

Other Mechanical Properties
Ductile, Malleable  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
11.35  
38
41.00  
2

Magnetic Ordering
Diamagnetic  
-  

Permeability
0.00 H/m  
12
0.00 H/m  
8

Susceptibility
0.00  
30
0.00  
25

Electrical Properties
  
  

Electrical Property
Poor Conductor  
-  

Resistivity
208.00 nΩ·m  
16
41.00 nΩ·m  
99+

Electrical Conductivity
0.05 106/cm Ω  
99+
0.00 106/cm Ω  
99+

Electron Affinity
35.10 kJ/mol  
33
63.20 kJ/mol  
19

Thermal

Specific Heat
0.13 J/(kg K)  
40
0.13 J/(kg K)  
99+

Molar Heat Capacity
26.65 J/mol·K  
34
25.92 J/mol·K  
99+

Thermal Conductivity
35.30 W/m·K  
39
0.00 W/m·K  
99+

Critical Temperature
600.61 K  
99+
1,323.00 K  
99+

Thermal Expansion
28.90 µm/(m·K)  
13
21.20 µm/(m·K)  
23

Enthalpy
  
  

Enthalpy of Vaporization
179.40 kJ/mol  
99+
126.00 kJ/mol  
99+

Enthalpy of Fusion
4.77 kJ/mol  
99+
-  

Enthalpy of Atomization
194.60 kJ/mol  
99+
-  

Standard Molar Entropy
64.80 J/mol.K  
18
57.20 J/mol.K  
29

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