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Meitnerium Niobium Comparison

Meitnerium
Niobium
Niobium Meitnerium comparison


Periodic Table
Symbol
Mt  
Nb  
Group Number
9  
9
5  
13
Period Number
7  
5  
Block
d block  
d block  
Element Family
Probably Transition  
Transition Metal  
CAS Number
54038016  
10
7440031  
99+
Space Group Name
-  
Im_ 3m  
Space Group Number
166.00  
9
229.00  
2
Facts
Interesting Facts
Meitnerium is named after Lise Meitner, an Austrian physicist.  
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
  
Sources
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced  
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Charles Hatchett  
Discovery
In 1982  
In 1801  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
23
Abundance In Sun
-  
0.00 %  
23
Abundance In Meteorites
0.00 %  
99+
0.00 %  
35
Abundance In Earth's Crust
-  
0.00 %  
25
Abundance In Oceans
-  
0.00 %  
34
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Meitnerium metal are limited to research purpose only.
  
  • Niobium alloys are used in jet engines and rockets and spacecraft, beams and girders for buildings and oil and gas pipelines.
  • It is used superconducting magnets in particles accelerators, NMR and MRI equipment.
  
Industrial Uses
-  
Aerospace Industry, Ammunition Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
-  
Alloys  
Biological Properties
  
  
Toxicity
-  
Low Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.01 Blood/mg dm-3  
25
In Bone
0.00 p.p.m.  
99+
0.07 p.p.m.  
30
Physical
Melting Point
-  
2,468.00 °C  
6
Boiling Point
0.00 °C  
99+
2,468.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Gray  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
-  
6.00  
6
Brinell Hardness
400.00 MPa  
34
735.00 MPa  
15
Vickers Hardness
350.00 MPa  
99+
870.00 MPa  
19
Speed of Sound
3,200.00 m/s  
35
3,480.00 m/s  
31
Optical Properties
  
  
Refractive Index
1.30  
99+
2.30  
8
Reflectivity
68.00 %  
15
70.00 %  
13
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Mt  
Nb  
Isotopes
  
  
Known Isotopes
4  
33
17  
22
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.60  
24
Sanderson Electronegativity
1.90  
13
1.42  
20
Allred Rochow Electronegativity
1.30  
25
1.23  
26
Mulliken-Jaffe Electronegativity
1.30  
33
1.60  
22
Allen Electronegativity
1.30  
40
1.41  
35
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.40  
31
Ionization Energies
  
  
1st Energy Level
800.80 kJ/mol  
15
652.10 kJ/mol  
99+
2nd Energy Level
1,823.60 kJ/mol  
18
1,380.00 kJ/mol  
99+
3rd Energy Level
2,904.20 kJ/mol  
31
2,416.00 kJ/mol  
99+
4th Energy Level
3,859.40 kJ/mol  
99+
3,700.00 kJ/mol  
99+
5th Energy Level
4,920.80 kJ/mol  
99+
4,877.00 kJ/mol  
99+
6th Energy Level
8,000.00 kJ/mol  
34
9,847.00 kJ/mol  
17
7th Energy level
8,000.00 kJ/mol  
28
12,100.00 kJ/mol  
14
8th Energy Level
8,000.00 kJ/mol  
28
6,520.00 kJ/mol  
99+
9th Energy Level
6,700.00 kJ/mol  
36
5,470.00 kJ/mol  
99+
10th Energy Level
5,800.00 kJ/mol  
99+
5,470.00 kJ/mol  
99+
11th Energy Level
6,300.00 kJ/mol  
99+
6,520.00 kJ/mol  
99+
12th Energy Level
0.00 kJ/mol  
99+
6,520.00 kJ/mol  
99+
13th Energy Level
8,000.00 kJ/mol  
20
5,470.00 kJ/mol  
99+
14th Energy Level
1,156.00 kJ/mol  
99+
691.00 kJ/mol  
99+
15th Energy Level
80,000.00 kJ/mol  
17
65,200.00 kJ/mol  
35
16th Energy Level
58,700.00 kJ/mol  
39
652.10 kJ/mol  
99+
17th Energy Level
1,110.00 kJ/mol  
20
652.10 kJ/mol  
99+
18th Energy Level
8,000.00 kJ/mol  
23
6,520.00 kJ/mol  
37
19th Energy Level
1,110.00 kJ/mol  
17
652.10 kJ/mol  
99+
20th Energy Level
850.00 kJ/mol  
18
652.00 kJ/mol  
38
21st Energy Level
800.00 kJ/mol  
99+
652.10 kJ/mol  
99+
22nd Energy Level
380.00 kJ/mol  
99+
694.00 kJ/mol  
30
23rd Energy Level
8,000.00 kJ/mol  
9
4,490.00 kJ/mol  
30
24th Energy Level
565.60 kJ/mol  
99+
652.10 kJ/mol  
33
25th Energy Level
800.00 kJ/mol  
13
652.10 kJ/mol  
35
26th Energy Level
800.00 kJ/mol  
13
652.10 kJ/mol  
34
27th Energy Level
800.00 kJ/mol  
12
652.10 kJ/mol  
35
28th Energy Level
800.00 kJ/mol  
18
652.10 kJ/mol  
40
29th Energy Level
800.00 kJ/mol  
18
652.10 kJ/mol  
99+
30th Energy Level
800.00 kJ/mol  
13
652.00 kJ/mol  
37
Electrochemical Equivalent
3.00 g/amp-hr  
21
0.69 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
4.30 eV  
25
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
109  
9
41  
99+
Electron Configuration
[Rn] 5f14 6d7 7s2  
[Kr] 4d4 5s1  
Crystal Structure
Face Centered Cubic (FCC)  
Body Centered Cubic (BCC)  
Crystal Lattice
FCC-Crystal-Structure-of-Meitnerium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
109  
9
41  
99+
Number of Neutrons
157  
8
52  
99+
Number of Electrons
109  
9
41  
99+
Radius of an Atom
  
  
Atomic Radius
122.00 pm  
99+
146.00 pm  
37
Covalent Radius
129.00 pm  
99+
164.00 pm  
30
Van der Waals Radius
260.00 pm  
9
200.00 pm  
35
Atomic Weight
278.00 amu  
7
92.91 amu  
99+
Atomic Volume
20.20 cm3/mol  
30
10.87 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Hassium
  
Zirconium
  
Next Element
Darmstadtium
  
Molybdenum
  
Valence Electron Potential
31.20 (-eV)  
99+
104.00 (-eV)  
8
Lattice Constant
0.00 pm  
99+
330.04 pm  
99+
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.59  
27
1.47  
99+
Mechanical
Density
  
  
Density At Room Temperature
37.40 g/cm3  
2
8.57 g/cm3  
99+
Density When Liquid (at m.p.)
37.40 g/cm3  
2
8.57 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
330.00 MPa  
14
Viscosity
0.00  
25
0.00  
22
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
16
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.00 (Pa)  
36
Elasticity properties
  
  
Shear Modulus
35.00 GPa  
21
38.00 GPa  
20
Bulk Modulus
0.00 GPa  
99+
170.00 GPa  
10
Young's Modulus
13.50 GPa  
99+
105.00 GPa  
22
Poisson Ratio
0.25  
24
0.40  
4
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
37.40  
4
8.57  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
12
0.00 H/m  
4
Susceptibility
0.00  
24
0.00  
30
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
0.35 nΩ·m  
99+
152.00 nΩ·m  
23
Electrical Conductivity
0.00 106/cm Ω  
99+
0.07 106/cm Ω  
33
Electron Affinity
50.00 kJ/mol  
26
86.10 kJ/mol  
14
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.26 J/(kg K)  
20
Molar Heat Capacity
27.00 J/mol·K  
29
24.60 J/mol·K  
99+
Thermal Conductivity
0.00 W/m·K  
99+
53.70 W/m·K  
29
Critical Temperature
1,323.00 K  
99+
2,750.00 K  
7
Thermal Expansion
10.30 µm/(m·K)  
99+
7.30 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
110.00 kJ/mol  
99+
696.60 kJ/mol  
5
Enthalpy of Fusion
-  
27.20 kJ/mol  
6
Enthalpy of Atomization
350.20 kJ/mol  
37
745.00 kJ/mol  
4
Standard Molar Entropy
63.80 J/mol.K  
22
36.40 J/mol.K  
99+
Summary >>
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