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Uranium Meitnerium Comparison

Uranium
Meitnerium
Meitnerium Uranium comparison


Periodic Table
Symbol
U  
Mt  
Group Number
0  
18
9  
9
Period Number
7  
7  
Block
f block  
d block  
Element Family
Actinide  
Probably Transition  
CAS Number
7440611  
28
54038016  
10
Space Group Name
Cmcm  
-  
Space Group Number
63.00  
13
166.00  
9
Facts
Interesting Facts
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
Meitnerium is named after Lise Meitner, an Austrian physicist.  
Sources
Earth's crust, Mining, Ores of Minerals  
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced  
History
  
  
Who Discovered
-  
Gesellschaft für Schwerionenforschung  
Discovery
In 1789  
In 1982  
Abundance
  
  
Abundance In Universe
0.00 %  
30
0.00 %  
40
Abundance In Sun
0.00 %  
26
-  
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
36
-  
Abundance In Oceans
0.00 %  
11
-  
Abundance In Humans
0.00 %  
24
-  
Uses
Uses & Benefits
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
  
  • Currently known uses of Meitnerium metal are limited to research purpose only.
  
Industrial Uses
Ammunition Industry, Chemical Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  
-  
Biological Properties
  
  
Toxicity
Toxic  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
37
0.00 Blood/mg dm-3  
40
In Bone
1.20 p.p.m.  
19
0.00 p.p.m.  
99+
Physical
Melting Point
1,132.00 °C  
39
-  
Boiling Point
3,818.00 °C  
16
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
-  
Luster
Metallic  
Unknown Luster  
Hardness
  
  
Mohs Hardness
6.00  
6
-  
Brinell Hardness
2,350.00 MPa  
2
400.00 MPa  
34
Vickers Hardness
1,960.00 MPa  
6
350.00 MPa  
99+
Speed of Sound
3,155.00 m/s  
36
3,200.00 m/s  
35
Optical Properties
  
  
Refractive Index
1.38  
40
1.30  
99+
Reflectivity
80.00 %  
7
68.00 %  
15
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
U  
Mt  
Isotopes
  
  
Known Isotopes
25  
14
4  
33
Electronegativity
  
  
Pauling Electronegativity
1.38  
29
1.30  
33
Sanderson Electronegativity
1.38  
22
1.90  
13
Allred Rochow Electronegativity
1.22  
27
1.30  
25
Mulliken-Jaffe Electronegativity
1.38  
29
1.30  
33
Allen Electronegativity
1.38  
36
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.62  
26
2.00  
99+
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol  
99+
800.80 kJ/mol  
15
2nd Energy Level
1,420.00 kJ/mol  
99+
1,823.60 kJ/mol  
18
3rd Energy Level
1,900.00 kJ/mol  
99+
2,904.20 kJ/mol  
31
4th Energy Level
3,145.00 kJ/mol  
99+
3,859.40 kJ/mol  
99+
5th Energy Level
5,976.00 kJ/mol  
99+
4,920.80 kJ/mol  
99+
6th Energy Level
5,976.00 kJ/mol  
99+
8,000.00 kJ/mol  
34
7th Energy level
5,970.00 kJ/mol  
99+
8,000.00 kJ/mol  
28
8th Energy Level
5,976.00 kJ/mol  
99+
8,000.00 kJ/mol  
28
9th Energy Level
5,976.00 kJ/mol  
99+
6,700.00 kJ/mol  
36
10th Energy Level
5,976.00 kJ/mol  
99+
5,800.00 kJ/mol  
99+
11th Energy Level
5,976.00 kJ/mol  
99+
6,300.00 kJ/mol  
99+
12th Energy Level
5,970.00 kJ/mol  
99+
0.00 kJ/mol  
99+
13th Energy Level
5,970.00 kJ/mol  
99+
8,000.00 kJ/mol  
20
14th Energy Level
5,970.00 kJ/mol  
34
1,156.00 kJ/mol  
99+
15th Energy Level
59,700.00 kJ/mol  
99+
80,000.00 kJ/mol  
17
16th Energy Level
59,700.00 kJ/mol  
35
58,700.00 kJ/mol  
39
17th Energy Level
597.60 kJ/mol  
99+
1,110.00 kJ/mol  
20
18th Energy Level
5,976.00 kJ/mol  
99+
8,000.00 kJ/mol  
23
19th Energy Level
597.60 kJ/mol  
99+
1,110.00 kJ/mol  
17
20th Energy Level
597.00 kJ/mol  
99+
850.00 kJ/mol  
18
21st Energy Level
597.60 kJ/mol  
99+
800.00 kJ/mol  
99+
22nd Energy Level
597.00 kJ/mol  
99+
380.00 kJ/mol  
99+
23rd Energy Level
597.60 kJ/mol  
99+
8,000.00 kJ/mol  
9
24th Energy Level
597.60 kJ/mol  
99+
565.60 kJ/mol  
99+
25th Energy Level
597.60 kJ/mol  
99+
800.00 kJ/mol  
13
26th Energy Level
597.60 kJ/mol  
99+
800.00 kJ/mol  
13
27th Energy Level
597.60 kJ/mol  
99+
800.00 kJ/mol  
12
28th Energy Level
597.60 kJ/mol  
99+
800.00 kJ/mol  
18
29th Energy Level
597.60 kJ/mol  
99+
800.00 kJ/mol  
18
30th Energy Level
597.60 kJ/mol  
99+
800.00 kJ/mol  
13
Electrochemical Equivalent
1.48 g/amp-hr  
99+
3.00 g/amp-hr  
21
Electron Work Function
3.63 eV  
99+
4.90 eV  
12
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
92  
26
109  
9
Electron Configuration
[Rn] 5f3 6d1 7s2  
[Rn] 5f14 6d7 7s2  
Crystal Structure
Orthorhombic (ORTH)  
Face Centered Cubic (FCC)  
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100  
FCC-Crystal-Structure-of-Meitnerium.jpg#100  
Atom
  
  
Number of Protons
92  
26
109  
9
Number of Neutrons
146  
14
157  
8
Number of Electrons
92  
26
109  
9
Radius of an Atom
  
  
Atomic Radius
156.00 pm  
31
122.00 pm  
99+
Covalent Radius
196.00 pm  
14
129.00 pm  
99+
Van der Waals Radius
186.00 pm  
40
260.00 pm  
9
Atomic Weight
238.03 amu  
21
278.00 amu  
7
Atomic Volume
12.59 cm3/mol  
99+
20.20 cm3/mol  
30
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Hassium
  
Next Element
Neptunium
  
Darmstadtium
  
Valence Electron Potential
170.00 (-eV)  
4
31.20 (-eV)  
99+
Lattice Constant
295.08 pm  
99+
0.00 pm  
99+
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.02  
99+
1.59  
27
Mechanical
Density
  
  
Density At Room Temperature
19.10 g/cm3  
17
37.40 g/cm3  
2
Density When Liquid (at m.p.)
17.30 g/cm3  
17
37.40 g/cm3  
2
Tensile Strength
100.00 MPa  
28
80.00 MPa  
29
Viscosity
0.00  
21
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.01 (Pa)  
20
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
111.00 GPa  
10
35.00 GPa  
21
Bulk Modulus
100.00 GPa  
16
0.00 GPa  
99+
Young's Modulus
208.00 GPa  
11
13.50 GPa  
99+
Poisson Ratio
0.23  
30
0.25  
24
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
18.80  
19
37.40  
4
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
16
0.00 H/m  
12
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
Poor Conductor  
-  
Resistivity
0.28 nΩ·m  
99+
0.35 nΩ·m  
99+
Electrical Conductivity
0.04 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.60 kJ/mol  
25
50.00 kJ/mol  
26
Thermal
Specific Heat
0.12 J/(kg K)  
99+
0.10 J/(kg K)  
99+
Molar Heat Capacity
27.67 J/mol·K  
18
27.00 J/mol·K  
29
Thermal Conductivity
27.50 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
1,405.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
13.90 µm/(m·K)  
30
10.30 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
477.00 kJ/mol  
18
110.00 kJ/mol  
99+
Enthalpy of Fusion
15.48 kJ/mol  
19
-  
Enthalpy of Atomization
489.50 kJ/mol  
18
350.20 kJ/mol  
37
Standard Molar Entropy
50.20 J/mol.K  
99+
63.80 J/mol.K  
22
Summary >>
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Actinide Series

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