1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.3 Block
1.4 Element Family
Transition Metal
Probably Post-Transition
1.5 CAS Number
744026854100719
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
2.6.1 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
3.4.2 Abundance In Meteorites
3.4.4 Abundance In Earth's Crust
3.4.6 Abundance In Oceans
3.4.8 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.
- Currently known uses of Livermorium metal are limited to research purpose only.
4.1.1 Industrial Uses
4.1.2 Medical Uses
4.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Research Purposes
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.4 In Blood
0.00 Blood/mg dm-3NA
0
1970
4.2.6 In Bone
6 Physical
6.1 Melting Point
6.2 Boiling Point
7.2 Appearance
7.2.1 Physical State
7.2.2 Color
7.2.3 Luster
7.3 Hardness
7.3.1 Mohs Hardness
7.4.1 Brinell Hardness
7.6.2 Vickers Hardness
7.7 Speed of Sound
16,200.00 m/sNA
818
16200
7.8 Optical Properties
7.8.1 Refractive Index
7.8.3 Reflectivity
7.10 Allotropes
7.10.1 α Allotropes
Not Available
Not Available
7.10.2 β Allotropes
Not Available
Not Available
7.10.3 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
9.2.2 Sanderson Electronegativity
9.3.2 Allred Rochow Electronegativity
9.3.4 Mulliken-Jaffe Electronegativity
9.3.5 Allen Electronegativity
9.4 Electropositivity
9.4.1 Pauling Electropositivity
9.5 Ionization Energies
9.5.1 1st Energy Level
702.00 kJ/mol723.60 kJ/mol
375.7
26130
9.5.3 2nd Energy Level
1,470.00 kJ/mol1,331.50 kJ/mol
710.2162
28750
9.6.2 3rd Energy Level
2,850.00 kJ/mol2,846.30 kJ/mol
1600
34230
9.7.2 4th Energy Level
NA3,811.20 kJ/mol
2780
37066
9.7.5 5th Energy Level
NA6,078.60 kJ/mol
4305.2
97510
9.7.6 6th Energy Level
9.7.8 7th Energy level
9.7.10 8th Energy Level
9.7.12 9th Energy Level
9.7.14 10th Energy Level
9.7.17 11th Energy Level
9.7.19 12th Energy Level
9.7.21 13th Energy Level
9.7.23 14th Energy Level
9.7.25 15th Energy Level
9.7.27 16th Energy Level
9.7.29 17th Energy Level
9.7.31 18th Energy Level
9.7.32 19th Energy Level
9.7.35 20th Energy Level
9.7.36 21st Energy Level
9.7.38 22nd Energy Level
9.7.40 23rd Energy Level
9.7.42 24th Energy Level
9.7.44 25th Energy Level
9.7.46 26th Energy Level
9.7.48 27th Energy Level
9.7.50 28th Energy Level
9.7.52 29th Energy Level
9.7.54 30th Energy Level
9.8 Electrochemical Equivalent
0.52 g/amp-hrNA
0.16812
8.3209
9.9 Electron Work Function
9.11 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 7p4
10.4 Crystal Structure
Hexagonal Close Packed (HCP)
Not Known
10.4.1 Crystal Lattice
10.5 Atom
10.5.1 Number of Protons
11.1.1 Number of Neutrons
11.4.2 Number of Electrons
11.5 Radius of an Atom
11.5.1 Atomic Radius
11.5.3 Covalent Radius
11.6.2 Van der Waals Radius
11.7 Atomic Weight
98.00 amu293.00 amu
6.94
294
11.8 Atomic Volume
8.50 cm3/molNA
1.39
71.07
11.10 Adjacent Atomic Numbers
11.10.1 Previous Element
11.10.2 Next Element
11.11 Valence Electron Potential
11.13 Lattice Constant
273.50 pmNA
228.58
891.25
11.16 Lattice Angles
11.17 Lattice C/A Ratio
12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
12.3.1 Density When Liquid (at m.p.)
13.2 Tensile Strength
13.3 Viscosity
13.5 Vapor Pressure
13.5.1 Vapor Pressure at 1000 K
13.6.1 Vapor Pressure at 2000 K
13.8 Elasticity properties
13.8.1 Shear Modulus
13.9.1 Bulk Modulus
13.9.3 Young's Modulus
13.10 Poisson Ratio
13.11 Other Mechanical Properties
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
14.2.1 Magnetic Ordering
Paramagnetic
Paramagnetic
14.2.2 Permeability
15.1.2 Susceptibility
15.2 Electrical Properties
15.2.1 Electrical Property
15.2.2 Resistivity
15.3.1 Electrical Conductivity
0.07 106/cm ΩNA
0.00666
0.63
15.3.4 Electron Affinity
16 Thermal
16.1 Specific Heat
16.2 Molar Heat Capacity
24.27 J/mol·KNA
16.443
62.7
17.2 Thermal Conductivity
17.4 Critical Temperature
17.6 Thermal Expansion
17.8 Enthalpy
17.8.1 Enthalpy of Vaporization
660.00 kJ/molNA
7.32
799.1
17.10.2 Enthalpy of Fusion
17.10.5 Enthalpy of Atomization
17.12 Standard Molar Entropy
181.10 J/mol.KNA
9.5
198.1