1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Transition Metal
Probably Post-Transition
1.6 CAS Number
744026854101143
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.
Not Available
2.2 Sources
Made by Bombarding Molybdenum with Deuterons
Synthetically Produced
2.3 History
2.3.1 Who Discovered
Emilio Segrè and Carlo Perriero
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.3 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
2.4.5 Abundance In Meteorites
2.4.7 Abundance In Earth's Crust
2.4.10 Abundance In Oceans
2.4.12 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
- Currently known uses of Ununseptium metal are limited to research purpose only.
3.1.1 Industrial Uses
3.1.2 Medical Uses
3.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
3.2.6 In Bone
4 Physical
4.1 Melting Point
2,200.00 °C400.00 °C
27
3410
4.2 Boiling Point
4,877.00 °C610.00 °C
147
5660
4.3 Appearance
4.3.1 Physical State
4.3.2 Color
4.3.3 Luster
4.4 Hardness
4.4.1 Mohs Hardness
4.4.4 Brinell Hardness
4.4.6 Vickers Hardness
4.6 Speed of Sound
16,200.00 m/sNA
818
16200
4.7 Optical Properties
4.7.1 Refractive Index
4.8.1 Reflectivity
5.2 Allotropes
5.2.1 α Allotropes
Not Available
Not Available
5.2.2 β Allotropes
Not Available
Not Available
5.2.3 γ Allotropes
Not Available
Not Available
6 Chemical
6.1 Chemical Formula
6.2 Isotopes
6.2.1 Known Isotopes
6.6 Electronegativity
6.6.1 Pauling Electronegativity
6.6.2 Sanderson Electronegativity
6.6.4 Allred Rochow Electronegativity
6.6.6 Mulliken-Jaffe Electronegativity
6.7.2 Allen Electronegativity
6.8 Electropositivity
6.8.1 Pauling Electropositivity
6.9 Ionization Energies
6.9.1 1st Energy Level
702.00 kJ/mol742.90 kJ/mol
375.7
26130
6.10.1 2nd Energy Level
1,470.00 kJ/mol1,785.00 kJ/mol
710.2162
28750
6.11.1 3rd Energy Level
2,850.00 kJ/molNA
1600
34230
6.13.1 4th Energy Level
6.14.1 5th Energy Level
6.14.2 6th Energy Level
6.16.1 7th Energy level
7.1.2 8th Energy Level
7.1.4 9th Energy Level
7.1.5 10th Energy Level
7.3.1 11th Energy Level
7.4.2 12th Energy Level
7.4.4 13th Energy Level
7.5.2 14th Energy Level
7.5.4 15th Energy Level
7.5.5 16th Energy Level
7.5.7 17th Energy Level
7.6.1 18th Energy Level
7.6.2 19th Energy Level
8.1.2 20th Energy Level
8.1.3 21st Energy Level
8.1.6 22nd Energy Level
8.1.7 23rd Energy Level
8.1.9 24th Energy Level
8.2.3 25th Energy Level
8.2.4 26th Energy Level
8.2.6 27th Energy Level
8.2.7 28th Energy Level
8.2.9 29th Energy Level
8.2.10 30th Energy Level
9.2 Electrochemical Equivalent
0.52 g/amp-hrNA
0.16812
8.3209
9.4 Electron Work Function
9.6 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Chemical Stability, Ionization
10 Atomic
10.1 Atomic Number
10.3 Electron Configuration
[Kr] 4d5 5s2
[Rn] 5f14 6d10 7s2 7p5
10.4 Crystal Structure
Hexagonal Close Packed (HCP)
Not Known
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
10.8.3 Covalent Radius
10.8.4 Van der Waals Radius
10.10 Atomic Weight
98.00 amu294.00 amu
6.94
294
10.11 Atomic Volume
8.50 cm3/molNA
1.39
71.07
10.12 Adjacent Atomic Numbers
10.12.1 Previous Element
10.12.2 Next Element
10.13 Valence Electron Potential
10.14 Lattice Constant
273.50 pmNA
228.58
891.25
10.15 Lattice Angles
10.16 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
11.00 g/cm37.10 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
12.2.3 Electrical Conductivity
0.07 106/cm ΩNA
0.00666
0.63
12.2.4 Electron Affinity
13 Thermal
13.1 Specific Heat
13.2 Molar Heat Capacity
24.27 J/mol·KNA
16.443
62.7
13.3 Thermal Conductivity
13.4 Critical Temperature
13.5 Thermal Expansion
13.6 Enthalpy
13.6.1 Enthalpy of Vaporization
660.00 kJ/molNA
7.32
799.1
13.6.2 Enthalpy of Fusion
13.6.3 Enthalpy of Atomization
13.7 Standard Molar Entropy
181.10 J/mol.KNA
9.5
198.1