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Moscovium vs Chromium

Moscovium
Chromium
Chromium vs Moscovium


Periodic Table
Symbol
Mc  
Cr  
Group Number
15  
3
6  
12
Period Number
7  
4  
Block
p block  
d block  
Element Family
Probably Post-​Transition  
Transition Metal  
CAS Number
54085642  
4
7440473  
39
Space Group Name
-  
Im_ 3m  
Space Group Number
194.00  
7
229.00  
2
Facts
Interesting Facts
Moscovium is named after Moscow, where the Joint Institute for Nuclear Research is located.  
  • 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
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Louis Nicolas Vauquelin  
Discovery
In 2003  
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 Ununpentium 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  
30
0.11 Blood/mg dm-3  
12
In Bone
0.30 p.p.m.  
26
0.33 p.p.m.  
25
Physical
Melting Point
400.00 °C  
99+
1,857.00 °C  
14
Boiling Point
1,100.00 °C  
99+
2,672.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silver  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
-  
8.50  
1
Brinell Hardness
700.00 MPa  
17
687.00 MPa  
18
Vickers Hardness
400.00 MPa  
99+
1,060.00 MPa  
17
Speed of Sound
3,790.00 m/s  
28
5,940.00 m/s  
8
Optical Properties
  
  
Refractive Index
1.70  
27
2.97  
2
Reflectivity
67.00 %  
16
70.00 %  
13
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Mc  
Cr  
Isotopes
  
  
Known Isotopes
5  
32
21  
18
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
1.66  
19
Sanderson Electronegativity
1.90  
13
1.66  
17
Allred Rochow Electronegativity
1.90  
1
1.56  
11
Mulliken-Jaffe Electronegativity
1.20  
39
1.66  
19
Allen Electronegativity
1.20  
99+
1.65  
22
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
2.34  
36
Ionization Energies
  
  
1st Energy Level
538.40 kJ/mol  
99+
26,130.00 kJ/mol  
1
2nd Energy Level
1,756.00 kJ/mol  
25
28,750.00 kJ/mol  
1
3rd Energy Level
2,653.30 kJ/mol  
99+
34,230.00 kJ/mol  
1
4th Energy Level
4,679.50 kJ/mol  
34
37,066.00 kJ/mol  
1
5th Energy Level
5,721.60 kJ/mol  
99+
97,510.00 kJ/mol  
1
6th Energy Level
6,700.00 kJ/mol  
99+
105,800.00 kJ/mol  
1
7th Energy level
6,700.00 kJ/mol  
99+
114,300.00 kJ/mol  
1
8th Energy Level
6,700.00 kJ/mol  
39
125,300.00 kJ/mol  
1
9th Energy Level
6,700.00 kJ/mol  
36
134,700.00 kJ/mol  
1
10th Energy Level
6,100.00 kJ/mol  
99+
144,300.00 kJ/mol  
1
11th Energy Level
6,500.00 kJ/mol  
99+
26,130.00 kJ/mol  
12
12th Energy Level
67,000.00 kJ/mol  
6
28,750.00 kJ/mol  
36
13th Energy Level
7,600.00 kJ/mol  
23
34,230.00 kJ/mol  
10
14th Energy Level
1,139.00 kJ/mol  
99+
37,066.00 kJ/mol  
12
15th Energy Level
67,000.00 kJ/mol  
33
97,510.00 kJ/mol  
2
16th Energy Level
54,000.00 kJ/mol  
99+
105,800.00 kJ/mol  
2
17th Energy Level
540.10 kJ/mol  
99+
114,300.00 kJ/mol  
3
18th Energy Level
3,200.00 kJ/mol  
99+
125,300.00 kJ/mol  
4
19th Energy Level
540.10 kJ/mol  
99+
134,700.00 kJ/mol  
5
20th Energy Level
830.00 kJ/mol  
20
144,300.00 kJ/mol  
7
21st Energy Level
1,085.00 kJ/mol  
31
157,700.00 kJ/mol  
7
22nd Energy Level
540.00 kJ/mol  
99+
166,090.00 kJ/mol  
6
23rd Energy Level
6,100.00 kJ/mol  
16
653.80 kJ/mol  
99+
24th Energy Level
540.20 kJ/mol  
99+
653.80 kJ/mol  
32
25th Energy Level
700.00 kJ/mol  
31
653.80 kJ/mol  
34
26th Energy Level
670.00 kJ/mol  
30
653.80 kJ/mol  
33
27th Energy Level
670.00 kJ/mol  
31
652.90 kJ/mol  
34
28th Energy Level
670.00 kJ/mol  
36
653.80 kJ/mol  
39
29th Energy Level
670.00 kJ/mol  
37
653.80 kJ/mol  
40
30th Energy Level
670.00 kJ/mol  
32
653.80 kJ/mol  
36
Electrochemical Equivalent
3.00 g/amp-hr  
21
0.32 g/amp-hr  
99+
Electron Work Function
4.10 eV  
32
4.50 eV  
19
Other Chemical Properties
Chemical Stability, Ionization  
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
115  
3
24  
99+
Electron Configuration
[Rn] 5f14 6d10 7s2 7p3  
[Ar] 3d5 4s1  
Crystal Structure
Not Known  
Body Centered Cubic (BCC)  
Crystal Lattice
Unknown-Crystal-Structure-of-Ununpentium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
115  
3
24  
99+
Number of Neutrons
159  
6
28  
99+
Number of Electrons
115  
3
24  
99+
Radius of an Atom
  
  
Atomic Radius
170.00 pm  
24
128.00 pm  
99+
Covalent Radius
170.00 pm  
27
139.00 pm  
99+
Van der Waals Radius
320.00 pm  
3
200.00 pm  
35
Atomic Weight
289.00 amu  
3
52.00 amu  
99+
Atomic Volume
22.60 cm3/mol  
19
7.23 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Flerovium
  
Vanadium
  
Next Element
Livermorium
  
Manganese
  
Valence Electron Potential
5.30 (-eV)  
99+
170.00 (-eV)  
4
Lattice Constant
0.00 pm  
99+
291.00 pm  
99+
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.70  
8
1.86  
4
Mechanical
Density
  
  
Density At Room Temperature
4.51 g/cm3  
99+
7.19 g/cm3  
99+
Density When Liquid (at m.p.)
13.50 g/cm3  
28
6.30 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
689.00 MPa  
7
Viscosity
0.00  
25
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)  
99+
774.00 (Pa)  
1
Elasticity properties
  
  
Shear Modulus
-  
115.00 GPa  
9
Bulk Modulus
0.00 GPa  
99+
160.00 GPa  
11
Young's Modulus
11.80 GPa  
99+
279.00 GPa  
8
Poisson Ratio
0.30  
14
0.21  
33
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
13.50  
29
7.19  
99+
Magnetic Ordering
Paramagnetic  
Antiferromagnetic  
Permeability
0.00 H/m  
8
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
10
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
0.35 nΩ·m  
99+
125.00 nΩ·m  
27
Electrical Conductivity
0.00 106/cm Ω  
99+
0.08 106/cm Ω  
30
Electron Affinity
50.00 kJ/mol  
26
64.30 kJ/mol  
17
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.45 J/(kg K)  
12
Molar Heat Capacity
27.00 J/mol·K  
29
23.35 J/mol·K  
99+
Thermal Conductivity
0.37 W/m·K  
99+
93.90 W/m·K  
17
Critical Temperature
1,100.00 K  
99+
1,907.00 K  
24
Thermal Expansion
12.50 µm/(m·K)  
99+
4.90 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
420.30 kJ/mol  
21
348.80 kJ/mol  
35
Enthalpy of Fusion
-  
15.31 kJ/mol  
20
Enthalpy of Atomization
395.60 kJ/mol  
28
397.50 kJ/mol  
27
Standard Molar Entropy
50.00 J/mol.K  
99+
23.80 J/mol.K  
99+
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