1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Transition Metal
Actinide
1.6 CAS Number
74400317440111
7429905
54386242
1.8 Space Group Name
1.9 Space Group Number
3 Facts
3.1 Interesting Facts
- Niobium metal was used to get called Columbium in past.
- Niobium metal found freely in nature (abundance).
- Mendelevium metal is synthetically produced metal.
- Mendelevium metal has been produced in only trace amount.
3.2 Sources
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
Bombarding Einsteinium with Helium Ions
3.3 History
3.3.1 Who Discovered
Charles Hatchett
Lawrence Berkeley National Laboratory
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.4 Abundance In Sun
~0.0000004 %~-9999 %
1E-08
0.1
3.4.6 Abundance In Meteorites
3.5.3 Abundance In Earth's Crust
3.5.5 Abundance In Oceans
3.5.6 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- 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.
- Currently known uses of Mendelevium metal are limited to research purpose only.
4.1.1 Industrial Uses
Aerospace Industry, Ammunition Industry, Electrical Industry, Electronic Industry
NA
4.1.2 Medical Uses
4.1.3 Other Uses
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
0.01 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
5.1.1 In Bone
0.07 p.p.m.0.00 p.p.m.
0
170000
6 Physical
6.1 Melting Point
2,468.00 °C827.00 °C
27
3410
6.3 Boiling Point
6.5 Appearance
6.5.1 Physical State
6.5.2 Color
6.5.3 Luster
6.6 Hardness
6.6.1 Mohs Hardness
6.7.1 Brinell Hardness
6.8.1 Vickers Hardness
6.9 Speed of Sound
6.11 Optical Properties
6.11.1 Refractive Index
6.11.3 Reflectivity
6.12 Allotropes
6.12.1 α Allotropes
Not Available
Not Available
6.12.2 β Allotropes
Not Available
Not Available
6.12.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.3 Electronegativity
7.3.1 Pauling Electronegativity
7.4.1 Sanderson Electronegativity
7.4.2 Allred Rochow Electronegativity
7.4.3 Mulliken-Jaffe Electronegativity
7.4.4 Allen Electronegativity
7.5 Electropositivity
7.5.1 Pauling Electropositivity
7.6 Ionization Energies
7.6.1 1st Energy Level
652.10 kJ/mol635.00 kJ/mol
375.7
26130
7.6.2 2nd Energy Level
1,380.00 kJ/mol1,235.00 kJ/mol
710.2162
28750
7.6.3 3rd Energy Level
2,416.00 kJ/mol2,470.00 kJ/mol
1600
34230
7.6.4 4th Energy Level
3,700.00 kJ/mol3,840.00 kJ/mol
2780
37066
7.6.5 5th Energy Level
4,877.00 kJ/molNA
4305.2
97510
7.6.6 6th Energy Level
9,847.00 kJ/molNA
5715.8
105800
7.6.7 7th Energy level
12,100.00 kJ/molNA
7226.8
114300
7.6.8 8th Energy Level
7.6.9 9th Energy Level
7.6.10 10th Energy Level
7.6.11 11th Energy Level
7.6.12 12th Energy Level
7.6.13 13th Energy Level
7.6.14 14th Energy Level
7.6.15 15th Energy Level
7.6.16 16th Energy Level
7.6.17 17th Energy Level
7.6.18 18th Energy Level
7.6.19 19th Energy Level
7.6.20 20th Energy Level
7.6.21 21st Energy Level
7.6.22 22nd Energy Level
7.6.23 23rd Energy Level
7.6.24 24th Energy Level
7.6.25 25th Energy Level
7.6.26 26th Energy Level
7.6.27 27th Energy Level
7.6.28 28th Energy Level
7.6.29 29th Energy Level
7.6.30 30th Energy Level
7.7 Electrochemical Equivalent
0.69 g/amp-hr3.21 g/amp-hr
0.16812
8.3209
7.8 Electron Work Function
7.9 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes, Radioactivity
8 Atomic
8.1 Atomic Number
8.2 Electron Configuration
[Kr] 4d4 5s1
[Rn] 5f13 7s2
8.3 Crystal Structure
Body Centered Cubic (BCC)
Not Known
8.3.1 Crystal Lattice
8.4 Atom
8.4.1 Number of Protons
8.4.2 Number of Neutrons
8.4.3 Number of Electrons
8.5 Radius of an Atom
8.5.1 Atomic Radius
8.5.2 Covalent Radius
8.5.3 Van der Waals Radius
200.00 pm246.00 pm
139
348
8.6 Atomic Weight
92.91 amu258.00 amu
6.94
294
8.7 Atomic Volume
10.87 cm3/molNA
1.39
71.07
8.8 Adjacent Atomic Numbers
8.8.1 Previous Element
8.8.2 Next Element
8.9 Valence Electron Potential
8.10 Lattice Constant
330.04 pmNA
228.58
891.25
8.11 Lattice Angles
8.12 Lattice C/A Ratio
9 Mechanical
9.1 Density
9.1.1 Density At Room Temperature
9.1.2 Density When Liquid (at m.p.)
9.2 Tensile Strength
9.3 Viscosity
9.4 Vapor Pressure
9.4.1 Vapor Pressure at 1000 K
9.4.2 Vapor Pressure at 2000 K
9.5 Elasticity properties
9.5.1 Shear Modulus
9.5.2 Bulk Modulus
9.5.3 Young's Modulus
9.6 Poisson Ratio
9.7 Other Mechanical Properties
Ductile, Malleable
Unknown
10 Magnetic
10.1 Magnetic Characteristics
10.1.1 Specific Gravity
10.1.2 Magnetic Ordering
10.1.3 Permeability
10.1.4 Susceptibility
10.2 Electrical Properties
10.2.1 Electrical Property
10.2.2 Resistivity
10.2.3 Electrical Conductivity
0.07 106/cm ΩNA
0.00666
0.63
10.2.4 Electron Affinity
11 Thermal
11.1 Specific Heat
11.2 Molar Heat Capacity
24.60 J/mol·KNA
16.443
62.7
11.3 Thermal Conductivity
11.4 Critical Temperature
11.5 Thermal Expansion
11.6 Enthalpy
11.6.1 Enthalpy of Vaporization
696.60 kJ/molNA
7.32
799.1
11.6.2 Enthalpy of Fusion
11.6.3 Enthalpy of Atomization
11.7 Standard Molar Entropy
36.40 J/mol.KNA
9.5
198.1