1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
1.6 CAS Number
74404627440268
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
Not Available
- Original name of Technetium was Masurium.
- At the time of its discovery it found in sample of Molybdenum.
2.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Made by Bombarding Molybdenum with Deuterons
2.3 History
2.3.1 Who Discovered
Robert Bunsen and Gustav Kirchhoff
Emilio Segrè and Carlo Perriero
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.3 Abundance In Sun
~0.0000008 %~-9999 %
1E-08
0.1
2.4.6 Abundance In Meteorites
2.4.8 Abundance In Earth's Crust
2.4.11 Abundance In Oceans
2.4.12 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- The most common use of cesium metal is as a drilling fluid. It is also used in optical glass manufacturing.
-
In vacuum tubes and radiation monitor equipment this metal is used as a catalyst promoter.
- Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
3.1.1 Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry
NA
3.1.2 Medical Uses
3.1.3 Other Uses
Alloys
Alloys, Nuclear Research, Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.4 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
3.3.1 In Bone
0.05 p.p.m.0.00 p.p.m.
0
170000
4 Physical
4.1 Melting Point
28.50 °C2,200.00 °C
27
3410
4.3 Boiling Point
678.40 °C4,877.00 °C
147
5660
5.2 Appearance
5.2.1 Physical State
5.2.2 Color
5.2.3 Luster
5.3 Hardness
5.3.1 Mohs Hardness
5.6.2 Brinell Hardness
5.6.3 Vickers Hardness
5.7 Speed of Sound
NA16,200.00 m/s
818
16200
5.8 Optical Properties
5.8.1 Refractive Index
5.8.3 Reflectivity
5.9 Allotropes
5.9.1 α Allotropes
Not Available
Not Available
5.9.2 β Allotropes
Not Available
Not Available
5.9.3 γ Allotropes
Not Available
Not Available
6 Chemical
6.1 Chemical Formula
6.2 Isotopes
6.2.1 Known Isotopes
6.4 Electronegativity
6.4.1 Pauling Electronegativity
6.4.3 Sanderson Electronegativity
6.4.5 Allred Rochow Electronegativity
6.5.1 Mulliken-Jaffe Electronegativity
6.5.2 Allen Electronegativity
6.7 Electropositivity
6.7.1 Pauling Electropositivity
6.8 Ionization Energies
6.8.1 1st Energy Level
375.70 kJ/mol702.00 kJ/mol
375.7
26130
6.10.1 2nd Energy Level
2,234.30 kJ/mol1,470.00 kJ/mol
710.2162
28750
6.11.1 3rd Energy Level
3,400.00 kJ/mol2,850.00 kJ/mol
1600
34230
6.12.1 4th Energy Level
7.1.2 5th Energy Level
7.1.4 6th Energy Level
7.1.5 7th Energy level
7.2.1 8th Energy Level
7.3.1 9th Energy Level
7.4.2 10th Energy Level
7.4.4 11th Energy Level
7.5.2 12th Energy Level
7.5.3 13th Energy Level
7.5.5 14th Energy Level
7.5.7 15th Energy Level
7.5.8 16th Energy Level
7.6.1 17th Energy Level
8.1.2 18th Energy Level
8.1.5 19th Energy Level
8.1.6 20th Energy Level
8.1.8 21st Energy Level
8.2.3 22nd Energy Level
8.2.4 23rd Energy Level
8.2.5 24th Energy Level
8.2.7 25th Energy Level
8.2.8 26th Energy Level
8.2.10 27th Energy Level
8.2.11 28th Energy Level
9.1.1 29th Energy Level
9.1.2 30th Energy Level
9.3 Electrochemical Equivalent
4.96 g/amp-hr0.52 g/amp-hr
0.16812
8.3209
9.5 Electron Work Function
9.6 Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Radioactive Isotopes, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
10 Atomic
10.1 Atomic Number
10.3 Electron Configuration
10.4 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
10.4.1 Crystal Lattice
10.5 Atom
10.5.1 Number of Protons
10.6.1 Number of Neutrons
10.7.2 Number of Electrons
10.8 Radius of an Atom
10.8.1 Atomic Radius
265.00 pm136.00 pm
112
265
10.8.2 Covalent Radius
244.00 pm147.00 pm
96
260
10.8.4 Van der Waals Radius
343.00 pm200.00 pm
139
348
10.9 Atomic Weight
132.91 amu98.00 amu
6.94
294
10.11 Atomic Volume
71.07 cm3/mol8.50 cm3/mol
1.39
71.07
10.12 Adjacent Atomic Numbers
10.12.1 Previous Element
10.12.2 Next Element
10.13 Valence Electron Potential
8.62 (-eV)180.00 (-eV)
8
392.42
10.14 Lattice Constant
614.10 pm273.50 pm
228.58
891.25
10.15 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
10.16 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
1.93 g/cm311.00 g/cm3
0.534
40.7
11.1.2 Density When Liquid (at m.p.)
11.2 Tensile Strength
11.3 Viscosity
11.4 Vapor Pressure
11.4.1 Vapor Pressure at 1000 K
11.4.2 Vapor Pressure at 2000 K
11.5 Elasticity properties
11.5.1 Shear Modulus
11.5.2 Bulk Modulus
11.5.3 Young's Modulus
11.6 Poisson Ratio
11.7 Other Mechanical Properties
12 Magnetic
12.1 Magnetic Characteristics
12.1.1 Specific Gravity
12.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
12.1.3 Permeability
12.1.4 Susceptibility
12.2 Electrical Properties
12.2.1 Electrical Property
12.2.2 Resistivity
205.00 nΩ·m200.00 nΩ·m
0.18
961
12.2.3 Electrical Conductivity
0.05 106/cm Ω0.07 106/cm Ω
0.00666
0.63
12.2.4 Electron Affinity
45.50 kJ/mol53.00 kJ/mol
0
222.8
13 Thermal
13.1 Specific Heat
0.24 J/(kg K)0.21 J/(kg K)
0.11
3.6
13.2 Molar Heat Capacity
32.21 J/mol·K24.27 J/mol·K
16.443
62.7
13.3 Thermal Conductivity
35.90 W/m·K50.60 W/m·K
6.3
429
13.4 Critical Temperature
13.5 Thermal Expansion
97.00 µm/(m·K)7.10 µm/(m·K)
4.5
97
13.6 Enthalpy
13.6.1 Enthalpy of Vaporization
65.90 kJ/mol660.00 kJ/mol
7.32
799.1
13.6.2 Enthalpy of Fusion
2.10 kJ/mol23.01 kJ/mol
2.1
35.23
13.6.3 Enthalpy of Atomization
78.20 kJ/mol649.00 kJ/mol
61.5
837
13.7 Standard Molar Entropy
85.20 J/mol.K181.10 J/mol.K
9.5
198.1