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Meitnerium vs Niobium

Meitnerium
Niobium
Niobium vs Meitnerium


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
Not Available   
Im_ 3m   
Space Group Number
Not Available   
229.00   
1
Facts
Interesting Facts
Not Available   
  • 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
Not Available   
2 * 10-7 %   
22
Abundance In Sun
~-9999 %   
~0.0000004 %   
23
Abundance In Meteorites
Not Available   
0.00 %   
35
Abundance In Earth's Crust
Not Available   
0.00 %   
25
Abundance In Oceans
Not Available   
0.00 %   
34
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
NA   
Aerospace Industry, Ammunition Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
NA   
Alloys   
Biological Properties
  
  
Toxicity
Unknown   
Low Toxic   
Present in Human Body
No   
Yes   
In Blood
0.00 Blood/mg dm-3   
37
0.01 Blood/mg dm-3   
25
In Bone
0.00 p.p.m.   
36
0.07 p.p.m.   
25
Physical Properties
Melting Point
Not Available   
2,468.00 °C   
6
Boiling Point
Not Available   
2,468.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Unknown   
Gray   
Luster
Unknown Luster   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
6.00   
6
Brinell Hardness
Not Available   
735.00 MPa   
14
Vickers Hardness
Not Available   
870.00 MPa   
12
Speed of Sound
Not Available   
3,480.00 m/s   
21
Optical Properties
  
  
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Mt   
Nb   
Isotopes
  
  
Known Isotopes
4   
33
17   
22
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.60   
23
Sanderson Electronegativity
Not Available   
1.42   
16
Allred Rochow Electronegativity
Not Available   
1.23   
25
Allen Electronegativity
Not Available   
1.41   
31
Electropositivity
  
  
Pauling Electropositivity
Not Available   
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   
17
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   
35
4,877.00 kJ/mol   
36
6th Energy Level
Not Available   
9,847.00 kJ/mol   
11
7th Energy level
Not Available   
12,100.00 kJ/mol   
14
Electrochemical Equivalent
Not Available   
0.69 g/amp-hr   
99+
Electron Work Function
Not Available   
4.30 eV   
18
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
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   
7
52   
99+
Number of Electrons
109   
9
41   
99+
Radius of an Atom
  
  
Atomic Radius
122.00 pm   
99+
146.00 pm   
35
Covalent Radius
129.00 pm   
99+
164.00 pm   
28
Van der Waals Radius
Not Available   
200.00 pm   
28
Atomic Weight
278.00 amu   
7
92.91 amu   
99+
Atomic Volume
Not Available   
10.87 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Hassium
  
Zirconium
  
Next Element
Darmstadtium
  
Molybdenum
  
Valence Electron Potential
Not Available   
104.00 (-eV)   
8
Lattice Constant
Not Available   
330.04 pm   
99+
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
37.40 g/cm3   
2
8.57 g/cm3   
99+
Tensile Strength
Not Available   
330.00 MPa   
12
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available   
0.00 (Pa)   
27
Elasticity properties
  
  
Shear Modulus
Not Available   
38.00 GPa   
19
Bulk Modulus
Not Available   
170.00 GPa   
10
Young's Modulus
Not Available   
105.00 GPa   
20
Poisson Ratio
Not Available   
0.40   
4
Other Mechanical Properties
NA   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
8.57   
37
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Unknown   
Conductor   
Resistivity
Not Available   
152.00 nΩ·m   
23
Electrical Conductivity
Not Available   
0.07 106/cm Ω   
28
Electron Affinity
Not Available   
86.10 kJ/mol   
12
Thermal Properties
Specific Heat
Not Available   
0.26 J/(kg K)   
20
Molar Heat Capacity
Not Available   
24.60 J/mol·K   
99+
Thermal Conductivity
Not Available   
53.70 W/m·K   
29
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
7.30 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
696.60 kJ/mol   
4
Enthalpy of Fusion
Not Available   
27.20 kJ/mol   
6
Enthalpy of Atomization
Not Available   
745.00 kJ/mol   
4
Standard Molar Entropy
Not Available   
36.40 J/mol.K   
99+
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