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Meitnerium Rhodium Comparison

Meitnerium
Rhodium
Rhodium Meitnerium comparison


Periodic Table
Symbol
Mt  
Rh  
Group Number
9  
9
9  
9
Period Number
7  
5  
Block
d block  
d block  
Element Family
Probably Transition  
Transition Metal  
CAS Number
54038016  
10
7440166  
99+
Space Group Name
-  
Fm_ 3m  
Space Group Number
166.00  
9
225.00  
3
Facts
Interesting Facts
Meitnerium is named after Lise Meitner, an Austrian physicist.  
  • Rhodium is the rarest element out of all non-radioactive metals on the earth .
  • Rhodium is one of the most durable and hard metal, which also have high reflectance.
  
Sources
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced  
Earth's crust, Found As a By-product, Found in Minerals, Mining  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
William Hyde Wollaston  
Discovery
In 1982  
In 1804  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
27
Abundance In Sun
-  
0.00 %  
25
Abundance In Meteorites
0.00 %  
99+
0.00 %  
36
Abundance In Earth's Crust
-  
0.00 %  
99+
Abundance In Oceans
-  
-  
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Meitnerium metal are limited to research purpose only.
  
  • Rhodium metal is mainly used in catalytic converters for cars as it reduces nitrogen oxides in exhaust gases.
  • It is used as an industrial catalyst for nitric acid, acetic acid, hydrogenation reaction, etc.
  
Industrial Uses
-  
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
-  
Alloys  
Biological Properties
  
  
Toxicity
-  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
37
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
-  
1,966.00 °C  
12
Boiling Point
0.00 °C  
99+
3,727.00 °C  
17
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery White  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
-  
6.00  
6
Brinell Hardness
400.00 MPa  
34
980.00 MPa  
10
Vickers Hardness
350.00 MPa  
99+
1,100.00 MPa  
15
Speed of Sound
3,200.00 m/s  
35
4,700.00 m/s  
19
Optical Properties
  
  
Refractive Index
1.30  
99+
2.40  
7
Reflectivity
68.00 %  
15
84.00 %  
5
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Mt  
Rh  
Isotopes
  
  
Known Isotopes
4  
33
16  
23
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
2.28  
4
Sanderson Electronegativity
1.90  
13
2.28  
5
Allred Rochow Electronegativity
1.30  
25
1.45  
17
Mulliken-Jaffe Electronegativity
1.30  
33
2.28  
4
Allen Electronegativity
1.30  
40
1.56  
27
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
1.72  
99+
Ionization Energies
  
  
1st Energy Level
800.80 kJ/mol  
15
719.70 kJ/mol  
29
2nd Energy Level
1,823.60 kJ/mol  
18
1,740.00 kJ/mol  
27
3rd Energy Level
2,904.20 kJ/mol  
31
2,997.00 kJ/mol  
27
4th Energy Level
3,859.40 kJ/mol  
99+
7,197.00 kJ/mol  
11
5th Energy Level
4,920.80 kJ/mol  
99+
7,197.00 kJ/mol  
26
6th Energy Level
8,000.00 kJ/mol  
34
7,197.00 kJ/mol  
40
7th Energy level
8,000.00 kJ/mol  
28
7,197.00 kJ/mol  
35
8th Energy Level
8,000.00 kJ/mol  
28
3,480.00 kJ/mol  
99+
9th Energy Level
6,700.00 kJ/mol  
36
5,090.00 kJ/mol  
99+
10th Energy Level
5,800.00 kJ/mol  
99+
7,197.00 kJ/mol  
33
11th Energy Level
6,300.00 kJ/mol  
99+
7,197.00 kJ/mol  
32
12th Energy Level
0.00 kJ/mol  
99+
7,190.00 kJ/mol  
99+
13th Energy Level
8,000.00 kJ/mol  
20
7,190.00 kJ/mol  
27
14th Energy Level
1,156.00 kJ/mol  
99+
7,197.00 kJ/mol  
21
15th Energy Level
80,000.00 kJ/mol  
17
71,900.00 kJ/mol  
23
16th Energy Level
58,700.00 kJ/mol  
39
71,900.00 kJ/mol  
18
17th Energy Level
1,110.00 kJ/mol  
20
719.70 kJ/mol  
39
18th Energy Level
8,000.00 kJ/mol  
23
7,197.00 kJ/mol  
29
19th Energy Level
1,110.00 kJ/mol  
17
719.70 kJ/mol  
36
20th Energy Level
850.00 kJ/mol  
18
719.00 kJ/mol  
30
21st Energy Level
800.00 kJ/mol  
99+
719.70 kJ/mol  
99+
22nd Energy Level
380.00 kJ/mol  
99+
719.00 kJ/mol  
24
23rd Energy Level
8,000.00 kJ/mol  
9
719.70 kJ/mol  
99+
24th Energy Level
565.60 kJ/mol  
99+
719.70 kJ/mol  
23
25th Energy Level
800.00 kJ/mol  
13
719.00 kJ/mol  
23
26th Energy Level
800.00 kJ/mol  
13
719.70 kJ/mol  
23
27th Energy Level
800.00 kJ/mol  
12
719.70 kJ/mol  
22
28th Energy Level
800.00 kJ/mol  
18
719.70 kJ/mol  
28
29th Energy Level
800.00 kJ/mol  
18
719.70 kJ/mol  
29
30th Energy Level
800.00 kJ/mol  
13
719.00 kJ/mol  
23
Electrochemical Equivalent
3.00 g/amp-hr  
21
1.28 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
4.98 eV  
10
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Anti Corrosion, Ionization, Radioactive Isotopes  
Atomic
Atomic Number
109  
9
45  
99+
Electron Configuration
[Rn] 5f14 6d7 7s2  
[Kr] 4d8 5s1  
Crystal Structure
Face Centered Cubic (FCC)  
Face Centered Cubic (FCC)  
Crystal Lattice
FCC-Crystal-Structure-of-Meitnerium.jpg#100  
FCC-Crystal-Structure-of-Rhodium.jpg#100  
Atom
  
  
Number of Protons
109  
9
45  
99+
Number of Neutrons
157  
8
58  
99+
Number of Electrons
109  
9
45  
99+
Radius of an Atom
  
  
Atomic Radius
122.00 pm  
99+
134.00 pm  
99+
Covalent Radius
129.00 pm  
99+
142.00 pm  
99+
Van der Waals Radius
260.00 pm  
9
200.00 pm  
35
Atomic Weight
278.00 amu  
7
102.91 amu  
99+
Atomic Volume
20.20 cm3/mol  
30
8.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Hassium
  
Ruthenium
  
Next Element
Darmstadtium
  
Palladium
  
Valence Electron Potential
31.20 (-eV)  
99+
64.00 (-eV)  
22
Lattice Constant
0.00 pm  
99+
380.34 pm  
30
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.59  
27
1.73  
7
Mechanical
Density
  
  
Density At Room Temperature
37.40 g/cm3  
2
12.41 g/cm3  
30
Density When Liquid (at m.p.)
37.40 g/cm3  
2
10.70 g/cm3  
35
Tensile Strength
80.00 MPa  
29
951.00 MPa  
5
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.02 (Pa)  
19
Elasticity properties
  
  
Shear Modulus
35.00 GPa  
21
150.00 GPa  
6
Bulk Modulus
0.00 GPa  
99+
275.00 GPa  
5
Young's Modulus
13.50 GPa  
99+
380.00 GPa  
5
Poisson Ratio
0.25  
24
0.26  
22
Other Mechanical Properties
-  
Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
37.40  
4
12.41  
32
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
12
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
0.35 nΩ·m  
99+
43.30 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.21 106/cm Ω  
8
Electron Affinity
50.00 kJ/mol  
26
109.70 kJ/mol  
8
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.24 J/(kg K)  
22
Molar Heat Capacity
27.00 J/mol·K  
29
24.98 J/mol·K  
99+
Thermal Conductivity
0.00 W/m·K  
99+
150.00 W/m·K  
9
Critical Temperature
1,323.00 K  
99+
2,237.00 K  
13
Thermal Expansion
10.30 µm/(m·K)  
99+
8.20 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
110.00 kJ/mol  
99+
495.40 kJ/mol  
16
Enthalpy of Fusion
-  
21.76 kJ/mol  
10
Enthalpy of Atomization
350.20 kJ/mol  
37
556.50 kJ/mol  
16
Standard Molar Entropy
63.80 J/mol.K  
22
31.50 J/mol.K  
99+
Summary >>
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