1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.3 Block
1.4 Element Family
Transition Metal
Lanthanide
1.5 CAS Number
74402687439943
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- Original name of Technetium was Masurium.
- At the time of its discovery it found in sample of Molybdenum.
- Metal dust of Lutetium element is highly explosive.
- Lutetium metal is corrosion resistance and acts stable in air.
2.2 Sources
Made by Bombarding Molybdenum with Deuterons
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Emilio Segrè and Carlo Perriero
Georges Urbain and Carl Auer von Welsbach
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.6.1 Abundance In Sun
~-9999 %~0.0000001 %
1E-08
0.1
2.6.2 Abundance In Meteorites
3.4.2 Abundance In Earth's Crust
3.4.4 Abundance In Oceans
3.4.6 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
- Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
4.1.1 Industrial Uses
4.1.2 Medical Uses
4.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
4.2.5 In Bone
5 Physical
5.1 Melting Point
2,200.00 °C1,652.00 °C
27
3410
6.3 Boiling Point
4,877.00 °C3,402.00 °C
147
5660
6.4 Appearance
6.4.1 Physical State
6.4.2 Color
6.4.3 Luster
6.5 Hardness
6.5.1 Mohs Hardness
7.1.1 Brinell Hardness
7.2.1 Vickers Hardness
7.5 Speed of Sound
16,200.00 m/sNA
818
16200
7.6 Optical Properties
7.6.1 Refractive Index
7.6.2 Reflectivity
7.7 Allotropes
7.7.1 α Allotropes
Not Available
Not Available
7.7.2 β Allotropes
Not Available
Not Available
7.7.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.4 Electronegativity
8.4.1 Pauling Electronegativity
8.5.2 Sanderson Electronegativity
8.5.4 Allred Rochow Electronegativity
9.2.2 Mulliken-Jaffe Electronegativity
9.3.2 Allen Electronegativity
9.4 Electropositivity
9.4.1 Pauling Electropositivity
9.5 Ionization Energies
9.5.1 1st Energy Level
702.00 kJ/mol523.50 kJ/mol
375.7
26130
9.5.3 2nd Energy Level
1,470.00 kJ/mol1,340.00 kJ/mol
710.2162
28750
9.5.5 3rd Energy Level
2,850.00 kJ/mol2,022.30 kJ/mol
1600
34230
9.5.7 4th Energy Level
NA4,370.00 kJ/mol
2780
37066
9.6.2 5th Energy Level
NA6,445.00 kJ/mol
4305.2
97510
9.7.2 6th Energy Level
9.7.4 7th Energy level
9.7.6 8th Energy Level
9.7.8 9th Energy Level
9.7.9 10th Energy Level
9.7.12 11th Energy Level
9.7.14 12th Energy Level
9.7.16 13th Energy Level
9.7.18 14th Energy Level
9.7.20 15th Energy Level
9.7.22 16th Energy Level
9.7.23 17th Energy Level
9.7.25 18th Energy Level
9.7.27 19th Energy Level
9.7.29 20th Energy Level
9.7.30 21st Energy Level
9.7.32 22nd Energy Level
9.7.34 23rd Energy Level
9.7.35 24th Energy Level
9.7.37 25th Energy Level
9.7.39 26th Energy Level
9.7.40 27th Energy Level
9.7.42 28th Energy Level
9.7.44 29th Energy Level
9.7.46 30th Energy Level
9.8 Electrochemical Equivalent
0.52 g/amp-hr2.18 g/amp-hr
0.16812
8.3209
9.9 Electron Work Function
9.10 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Kr] 4d5 5s2
[Xe] 6s2 4f14 5d1
10.3 Crystal Structure
Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.4.4 Number of Neutrons
10.5.1 Number of Electrons
10.6 Radius of an Atom
10.6.1 Atomic Radius
136.00 pm174.00 pm
112
265
10.7.1 Covalent Radius
147.00 pm187.00 pm
96
260
11.1.1 Van der Waals Radius
200.00 pm221.00 pm
139
348
11.5 Atomic Weight
98.00 amu174.97 amu
6.94
294
11.6 Atomic Volume
8.50 cm3/mol17.78 cm3/mol
1.39
71.07
11.7 Adjacent Atomic Numbers
11.7.1 Previous Element
11.7.2 Next Element
11.8 Valence Electron Potential
180.00 (-eV)50.90 (-eV)
8
392.42
11.9 Lattice Constant
273.50 pm350.31 pm
228.58
891.25
11.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
11.12 Lattice C/A Ratio
12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
11.00 g/cm39.84 g/cm3
0.534
40.7
12.1.3 Density When Liquid (at m.p.)
12.3 Tensile Strength
12.5 Viscosity
12.7 Vapor Pressure
12.7.2 Vapor Pressure at 1000 K
12.8.1 Vapor Pressure at 2000 K
12.10 Elasticity properties
12.10.1 Shear Modulus
12.12.1 Bulk Modulus
13.1.2 Young's Modulus
13.2 Poisson Ratio
13.4 Other Mechanical Properties
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
14.2.1 Magnetic Ordering
Paramagnetic
Paramagnetic
14.3.2 Permeability
14.3.3 Susceptibility
14.4 Electrical Properties
14.4.1 Electrical Property
14.4.2 Resistivity
200.00 nΩ·m582.00 nΩ·m
0.18
961
14.5.2 Electrical Conductivity
0.07 106/cm Ω0.02 106/cm Ω
0.00666
0.63
14.5.4 Electron Affinity
53.00 kJ/mol50.00 kJ/mol
0
222.8
15 Thermal
15.1 Specific Heat
0.21 J/(kg K)0.15 J/(kg K)
0.11
3.6
15.3 Molar Heat Capacity
24.27 J/mol·K26.86 J/mol·K
16.443
62.7
16.2 Thermal Conductivity
50.60 W/m·K16.40 W/m·K
6.3
429
16.3 Critical Temperature
16.4 Thermal Expansion
7.10 µm/(m·K)9.90 µm/(m·K)
4.5
97
16.6 Enthalpy
16.6.1 Enthalpy of Vaporization
660.00 kJ/mol355.90 kJ/mol
7.32
799.1
16.6.3 Enthalpy of Fusion
23.01 kJ/mol18.70 kJ/mol
2.1
35.23
16.6.5 Enthalpy of Atomization
649.00 kJ/mol398.00 kJ/mol
61.5
837
17.2 Standard Molar Entropy
181.10 J/mol.K51.00 J/mol.K
9.5
198.1