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Iridium vs Hassium


Hassium vs Iridium


Periodic Table

Symbol
Ir  
Hs  

Group Number
9  
9
8  
10

Period Number
6  
7  

Block
d block  
d block  

Element Family
Transition Metal  
Transition Metal  

CAS Number
7439885  
99+
54037579  
11

Space Group Name
Fm_ 3m  
-  

Space Group Number
225.00  
3
166.00  
9

Facts

Interesting Facts
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
  
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  

Sources
Found in Minerals, Mining, Ores of Minerals  
Synthetically Produced  

History
  
  

Who Discovered
Smithson Tennant  
Gesellschaft für Schwerionenforschung  

Discovery
In 1803  
In 1984  

Abundance
  
  

Abundance In Universe
0.00 %  
23
0.00 %  
40

Abundance In Sun
0.00 %  
25
-  

Abundance In Meteorites
0.00 %  
29
0.00 %  
99+

Abundance In Earth's Crust
0.00 %  
99+
-  

Abundance In Oceans
-  
-  

Abundance In Humans
0.00 %  
24
-  

Uses

Uses & Benefits
  • Iridium has an anti corrosion properties and it is used in special alloy with Osmium metal and that alloy is used in pen tips and compass bearings.
  
  • Currently known uses of Hassium metal are limited to research purpose only.
  

Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry  
-  

Medical Uses
-  
-  

Other Uses
Alloys  
Research Purposes  

Biological Properties
  
  

Toxicity
Toxic  
-  

Present in Human Body
Yes  
No  

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

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

Physical

Melting Point
2,410.00 °C  
7
-  

Boiling Point
4,527.00 °C  
10
0.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
Silver  

Luster
Metallic  
-  

Hardness
  
  

Mohs Hardness
6.50  
5
4.50  
10

Brinell Hardness
1,670.00 MPa  
5
230.00 MPa  
99+

Vickers Hardness
1,760.00 MPa  
8
2,450.00 MPa  
5

Speed of Sound
4,825.00 m/s  
17
2,760.00 m/s  
99+

Optical Properties
  
  

Refractive Index
2.40  
7
1.30  
99+

Reflectivity
78.00 %  
8
69.00 %  
14

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Ir  
Hs  

Isotopes
  
  

Known Isotopes
34  
5
7  
31

Electronegativity
  
  

Pauling Electronegativity
2.20  
5
2.20  
5

Sanderson Electronegativity
2.20  
8
1.30  
25

Allred Rochow Electronegativity
1.55  
12
1.30  
25

Mulliken-Jaffe Electronegativity
2.20  
6
1.30  
33

Allen Electronegativity
1.68  
20
1.30  
40

Electropositivity
  
  

Pauling Electropositivity
1.80  
99+
2.00  
99+

Ionization Energies
  
  

1st Energy Level
880.00 kJ/mol  
9
733.30 kJ/mol  
26

2nd Energy Level
1,600.00 kJ/mol  
36
1,756.00 kJ/mol  
25

3rd Energy Level
2,256.10 kJ/mol  
99+
2,827.00 kJ/mol  
37

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

5th Energy Level
8,800.00 kJ/mol  
8
4,940.00 kJ/mol  
99+

6th Energy Level
8,800.00 kJ/mol  
25
6,175.10 kJ/mol  
99+

7th Energy level
8,800.00 kJ/mol  
22
7,535.50 kJ/mol  
32

8th Energy Level
8,800.00 kJ/mol  
22
8,857.40 kJ/mol  
21

9th Energy Level
8,800.00 kJ/mol  
21
5,400.00 kJ/mol  
99+

10th Energy Level
8,800.00 kJ/mol  
23
6,100.00 kJ/mol  
99+

11th Energy Level
8,800.00 kJ/mol  
20
6,100.00 kJ/mol  
99+

12th Energy Level
8,800.00 kJ/mol  
40
3,500.00 kJ/mol  
99+

13th Energy Level
8,800.00 kJ/mol  
15
4,200.00 kJ/mol  
99+

14th Energy Level
8,800.00 kJ/mol  
14
1,124.00 kJ/mol  
99+

15th Energy Level
88,000.00 kJ/mol  
8
68,200.00 kJ/mol  
31

16th Energy Level
88,000.00 kJ/mol  
9
32,800.00 kJ/mol  
99+

17th Energy Level
880.00 kJ/mol  
26
1,089.00 kJ/mol  
22

18th Energy Level
8,800.00 kJ/mol  
15
3,300.00 kJ/mol  
99+

19th Energy Level
880.00 kJ/mol  
24
1,086.50 kJ/mol  
19

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

21st Energy Level
880.00 kJ/mol  
37
1,086.00 kJ/mol  
30

22nd Energy Level
880.00 kJ/mol  
12
350.00 kJ/mol  
99+

23rd Energy Level
8,800.00 kJ/mol  
7
1,120.00 kJ/mol  
34

24th Energy Level
880.00 kJ/mol  
8
540.90 kJ/mol  
99+

25th Energy Level
880.00 kJ/mol  
6
610.00 kJ/mol  
99+

26th Energy Level
880.00 kJ/mol  
6
587.40 kJ/mol  
99+

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

28th Energy Level
880.00 kJ/mol  
8
840.00 kJ/mol  
14

29th Energy Level
880.00 kJ/mol  
9
867.80 kJ/mol  
11

30th Energy Level
880.00 kJ/mol  
6
0.00 kJ/mol  
99+

Electrochemical Equivalent
1.14 g/amp-hr  
99+
3.00 g/amp-hr  
21

Electron Work Function
4.55 eV  
18
4.90 eV  
12

Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity  

Atomic

Atomic Number
77  
39
108  
10

Electron Configuration
[Xe] 4f14 5d7 6s2  
[Rn] 5f14 6d6 7s2  

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

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

Atom
  
  

Number of Protons
74  
99+
108  
10

Number of Neutrons
110  
28
158  
7

Number of Electrons
74  
99+
108  
10

Radius of an Atom
  
  

Atomic Radius
136.00 pm  
99+
126.00 pm  
99+

Covalent Radius
141.00 pm  
99+
134.00 pm  
99+

Van der Waals Radius
202.00 pm  
34
0.00 pm  
99+

Atomic Weight
192.22 amu  
34
269.00 amu  
9

Atomic Volume
9.53 cm3/mol  
99+
22.70 cm3/mol  
18

Adjacent Atomic Numbers
  
  

Previous Element
Osmium
  
Bohrium
  

Next Element
Platinum
  

Valence Electron Potential
140.00 (-eV)  
5
0.00 (-eV)  
99+

Lattice Constant
383.90 pm  
29
-  

Lattice Angles
π/2, π/2, π/2  
-  

Lattice C/A Ratio
1.58  
35
1.31  
99+

Mechanical

Density
  
  

Density At Room Temperature
22.56 g/cm3  
10
40.70 g/cm3  
1

Density When Liquid (at m.p.)
19.00 g/cm3  
13
41.00 g/cm3  
1

Tensile Strength
2,000.00 MPa  
2
80.00 MPa  
29

Viscosity
0.00  
21
0.00  
27

Vapor Pressure
  
  

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

Vapor Pressure at 2000 K
0.00 (Pa)  
26
0.00 (Pa)  
30

Elasticity properties
  
  

Shear Modulus
210.00 GPa  
2
40.00 GPa  
19

Bulk Modulus
320.00 GPa  
3
40.00 GPa  
38

Young's Modulus
528.00 GPa  
1
40.00 GPa  
99+

Poisson Ratio
0.26  
22
0.34  
10

Other Mechanical Properties
-  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
21.78  
12
41.00  
2

Magnetic Ordering
Paramagnetic  
-  

Permeability
0.00 H/m  
16
0.00 H/m  
8

Susceptibility
0.00  
5
0.00  
25

Electrical Properties
  
  

Electrical Property
Conductor  
-  

Resistivity
47.10 nΩ·m  
99+
41.00 nΩ·m  
99+

Electrical Conductivity
0.19 106/cm Ω  
10
0.00 106/cm Ω  
99+

Electron Affinity
151.00 kJ/mol  
4
63.20 kJ/mol  
19

Thermal

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

Molar Heat Capacity
25.10 J/mol·K  
99+
25.92 J/mol·K  
99+

Thermal Conductivity
147.00 W/m·K  
10
0.00 W/m·K  
99+

Critical Temperature
2,719.00 K  
8
1,323.00 K  
99+

Thermal Expansion
6.40 µm/(m·K)  
99+
21.20 µm/(m·K)  
23

Enthalpy
  
  

Enthalpy of Vaporization
799.10 kJ/mol  
1
126.00 kJ/mol  
99+

Enthalpy of Fusion
35.23 kJ/mol  
1
-  

Enthalpy of Atomization
837.00 kJ/mol  
1
-  

Standard Molar Entropy
35.50 J/mol.K  
99+
57.20 J/mol.K  
29

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