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Hassium vs Chromium

Hassium
Chromium
Chromium vs Hassium


Periodic Table
Symbol
Hs  
Cr  
Group Number
8  
10
6  
12
Period Number
7  
4  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
54037579  
11
7440473  
39
Space Group Name
-  
Im_ 3m  
Space Group Number
166.00  
9
229.00  
2
Facts
Interesting Facts
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
  • Chromium is highly reactive, hence it is not found free in nature.
  • Ores of Chromites mineral are the major source of Chromium metal.
  • Almost 90% leather tanning is done with the help of chromium.
  
Sources
Synthetically Produced  
Found in Minerals, Mining, Ores of metals, Ores of Minerals  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Louis Nicolas Vauquelin  
Discovery
In 1984  
In Between 1797 - 1798  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
8
Abundance In Sun
-  
0.00 %  
7
Abundance In Meteorites
0.00 %  
99+
0.30 %  
7
Abundance In Earth's Crust
-  
0.01 %  
13
Abundance In Oceans
-  
0.00 %  
16
Abundance In Humans
-  
0.00 %  
19
Uses
Uses & Benefits
  • Currently known uses of Hassium metal are limited to research purpose only.
  
  • It is used to harden the steel and produces a stainless steel and other various alloys.
  • It is also used to give proper finish to polished mirrors. Its chromium plates are used in bathroom fittings.
  
Industrial Uses
-  
Automobile Industry, Chemical Industry  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Alloys  
Biological Properties
  
  
Toxicity
-  
Highly Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.11 Blood/mg dm-3  
12
In Bone
0.00 p.p.m.  
99+
0.33 p.p.m.  
25
Physical
Melting Point
-  
1,857.00 °C  
14
Boiling Point
0.00 °C  
99+
2,672.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silver  
Luster
-  
Metallic  
Hardness
  
  
Mohs Hardness
4.50  
10
8.50  
1
Brinell Hardness
230.00 MPa  
99+
687.00 MPa  
18
Vickers Hardness
2,450.00 MPa  
5
1,060.00 MPa  
17
Speed of Sound
2,760.00 m/s  
99+
5,940.00 m/s  
8
Optical Properties
  
  
Refractive Index
1.30  
99+
2.97  
2
Reflectivity
69.00 %  
14
70.00 %  
13
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Hs  
Cr  
Isotopes
  
  
Known Isotopes
7  
31
21  
18
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
1.66  
19
Sanderson Electronegativity
1.30  
25
1.66  
17
Allred Rochow Electronegativity
1.30  
25
1.56  
11
Mulliken-Jaffe Electronegativity
1.30  
33
1.66  
19
Allen Electronegativity
1.30  
40
1.65  
22
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.34  
36
Ionization Energies
  
  
1st Energy Level
733.30 kJ/mol  
26
26,130.00 kJ/mol  
1
2nd Energy Level
1,756.00 kJ/mol  
25
28,750.00 kJ/mol  
1
3rd Energy Level
2,827.00 kJ/mol  
37
34,230.00 kJ/mol  
1
4th Energy Level
3,637.50 kJ/mol  
99+
37,066.00 kJ/mol  
1
5th Energy Level
4,940.00 kJ/mol  
99+
97,510.00 kJ/mol  
1
6th Energy Level
6,175.10 kJ/mol  
99+
105,800.00 kJ/mol  
1
7th Energy level
7,535.50 kJ/mol  
32
114,300.00 kJ/mol  
1
8th Energy Level
8,857.40 kJ/mol  
21
125,300.00 kJ/mol  
1
9th Energy Level
5,400.00 kJ/mol  
99+
134,700.00 kJ/mol  
1
10th Energy Level
6,100.00 kJ/mol  
99+
144,300.00 kJ/mol  
1
11th Energy Level
6,100.00 kJ/mol  
99+
26,130.00 kJ/mol  
12
12th Energy Level
3,500.00 kJ/mol  
99+
28,750.00 kJ/mol  
36
13th Energy Level
4,200.00 kJ/mol  
99+
34,230.00 kJ/mol  
10
14th Energy Level
1,124.00 kJ/mol  
99+
37,066.00 kJ/mol  
12
15th Energy Level
68,200.00 kJ/mol  
31
97,510.00 kJ/mol  
2
16th Energy Level
32,800.00 kJ/mol  
99+
105,800.00 kJ/mol  
2
17th Energy Level
1,089.00 kJ/mol  
22
114,300.00 kJ/mol  
3
18th Energy Level
3,300.00 kJ/mol  
99+
125,300.00 kJ/mol  
4
19th Energy Level
1,086.50 kJ/mol  
19
134,700.00 kJ/mol  
5
20th Energy Level
880.00 kJ/mol  
14
144,300.00 kJ/mol  
7
21st Energy Level
1,086.00 kJ/mol  
30
157,700.00 kJ/mol  
7
22nd Energy Level
350.00 kJ/mol  
99+
166,090.00 kJ/mol  
6
23rd Energy Level
1,120.00 kJ/mol  
34
653.80 kJ/mol  
99+
24th Energy Level
540.90 kJ/mol  
99+
653.80 kJ/mol  
32
25th Energy Level
610.00 kJ/mol  
99+
653.80 kJ/mol  
34
26th Energy Level
587.40 kJ/mol  
99+
653.80 kJ/mol  
33
27th Energy Level
880.00 kJ/mol  
5
652.90 kJ/mol  
34
28th Energy Level
840.00 kJ/mol  
14
653.80 kJ/mol  
39
29th Energy Level
867.80 kJ/mol  
11
653.80 kJ/mol  
40
30th Energy Level
0.00 kJ/mol  
99+
653.80 kJ/mol  
36
Electrochemical Equivalent
3.00 g/amp-hr  
21
0.32 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
4.50 eV  
19
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
108  
10
24  
99+
Electron Configuration
[Rn] 5f14 6d6 7s2  
[Ar] 3d5 4s1  
Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
108  
10
24  
99+
Number of Neutrons
158  
7
28  
99+
Number of Electrons
108  
10
24  
99+
Radius of an Atom
  
  
Atomic Radius
126.00 pm  
99+
128.00 pm  
99+
Covalent Radius
134.00 pm  
99+
139.00 pm  
99+
Van der Waals Radius
0.00 pm  
99+
200.00 pm  
35
Atomic Weight
269.00 amu  
9
52.00 amu  
99+
Atomic Volume
22.70 cm3/mol  
18
7.23 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Bohrium
  
Vanadium
  
Next Element
Meitnerium
  
Manganese
  
Valence Electron Potential
0.00 (-eV)  
99+
170.00 (-eV)  
4
Lattice Constant
-  
291.00 pm  
99+
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.31  
99+
1.86  
4
Mechanical
Density
  
  
Density At Room Temperature
40.70 g/cm3  
1
7.19 g/cm3  
99+
Density When Liquid (at m.p.)
41.00 g/cm3  
1
6.30 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
689.00 MPa  
7
Viscosity
0.00  
27
0.00  
23
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
26
Vapor Pressure at 2000 K
0.00 (Pa)  
30
774.00 (Pa)  
1
Elasticity properties
  
  
Shear Modulus
40.00 GPa  
19
115.00 GPa  
9
Bulk Modulus
40.00 GPa  
38
160.00 GPa  
11
Young's Modulus
40.00 GPa  
99+
279.00 GPa  
8
Poisson Ratio
0.34  
10
0.21  
33
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
41.00  
2
7.19  
99+
Magnetic Ordering
-  
Antiferromagnetic  
Permeability
0.00 H/m  
8
0.00 H/m  
17
Susceptibility
0.00  
25
0.00  
10
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
41.00 nΩ·m  
99+
125.00 nΩ·m  
27
Electrical Conductivity
0.00 106/cm Ω  
99+
0.08 106/cm Ω  
30
Electron Affinity
63.20 kJ/mol  
19
64.30 kJ/mol  
17
Thermal
Specific Heat
0.13 J/(kg K)  
99+
0.45 J/(kg K)  
12
Molar Heat Capacity
25.92 J/mol·K  
99+
23.35 J/mol·K  
99+
Thermal Conductivity
0.00 W/m·K  
99+
93.90 W/m·K  
17
Critical Temperature
1,323.00 K  
99+
1,907.00 K  
24
Thermal Expansion
21.20 µm/(m·K)  
23
4.90 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
126.00 kJ/mol  
99+
348.80 kJ/mol  
35
Enthalpy of Fusion
-  
15.31 kJ/mol  
20
Enthalpy of Atomization
-  
397.50 kJ/mol  
27
Standard Molar Entropy
57.20 J/mol.K  
29
23.80 J/mol.K  
99+
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