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Technetium
Technetium

Zinc
Zinc



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Technetium
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Technetium Zinc Comparison

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1 Periodic Table
1.1 Symbol
Tc
Zn
1.2 Group Number
712
Gadolinium Metal
0 17
1.3 Period Number
54
Lithium Metal
2 7
1.4 Block
d block
d block
1.5 Element Family
Transition Metal
Transition Metal
1.6 CAS Number
74402687440666
Aluminium Metal
7429905 54386242
1.3 Space Group Name
P63/mmc
P63/mmc
1.4 Space Group Number
194.00194.00
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • Original name of Technetium was Masurium.
  • At the time of its discovery it found in sample of Molybdenum.
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.
2.2 Sources
Made by Bombarding Molybdenum with Deuterons
Earth's crust, Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Emilio Segrè and Carlo Perriero
Indian metallurgists
2.3.2 Discovery
In 1937
Before 1000 BCE
2.4 Abundance
2.4.1 Abundance In Universe
NA3 * 10-5 %
Thallium Metal
5E-09 0.11
2.5.1 Abundance In Sun
~-9999 %~0.0002 %
Beryllium Metal
1E-08 0.1
2.8.1 Abundance In Meteorites
NA0.02 %
Gold Metal
1.7E-07 22
2.8.2 Abundance In Earth's Crust
NA0.01 %
Radium Metal
9.9E-12 8.1
2.10.1 Abundance In Oceans
NA0.00 %
Protactinium Metal
2E-23 1.1
2.10.2 Abundance In Humans
NA0.00 %
Radium Metal
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
  • It is mainly used for Galvanizing other metals.
  • It is also used for manufacturing die-casting and it is very essential for automobile industry.
3.1.1 Industrial Uses
NA
Electrical Industry, Electronic Industry
3.1.2 Medical Uses
NA
Pharmaceutical Industry
3.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys
3.2 Biological Properties
3.2.1 Toxicity
Low Toxic
Highly Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-37.00 Blood/mg dm-3
Plutonium Metal
0 1970
3.2.4 In Bone
0.00 p.p.m.170.00 p.p.m.
Plutonium Metal
0 170000
4 Physical
4.1 Melting Point
2,200.00 °C419.58 °C
Francium Metal
27 3410
4.2 Boiling Point
4,877.00 °C907.00 °C
Flerovium Metal
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Shiny Gray
Silvery Gray
4.3.3 Luster
NA
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
NA2.50
Cesium Metal
0.2 8.5
4.4.2 Brinell Hardness
NA327.00 MPa
Cesium Metal
0.14 3490
4.4.3 Vickers Hardness
NANA
Palladium Metal
121 3430
4.5 Speed of Sound
16,200.00 m/s3,850.00 m/s
Thallium Metal
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NA1.00
Mercury Metal
1.000933 1.7229
4.6.2 Reflectivity
NA80.00 %
Molybdenum Metal
58 97
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Tc
Zn
5.2 Isotopes
5.2.1 Known Isotopes
1825
Tennessine Metal
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
1.901.65
Francium Metal
0.7 2.54
5.3.2 Sanderson Electronegativity
NA2.23
Cesium Metal
0.22 2.56
5.3.3 Allred Rochow Electronegativity
1.361.66
Cesium Metal
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
NA1.65
Cesium Metal
0.62 2.48
5.3.5 Allen Electronegativity
1.511.59
Cesium Metal
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
2.102.35
Gold Metal
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
702.00 kJ/mol906.40 kJ/mol
Cesium Metal
375.7 26130
5.5.2 2nd Energy Level
1,470.00 kJ/mol1,733.30 kJ/mol
Ruthenium Metal
710.2162 28750
5.5.3 3rd Energy Level
2,850.00 kJ/mol3,833.00 kJ/mol
Osmium Metal
1600 34230
5.5.4 4th Energy Level
NA5,731.00 kJ/mol
Thorium Metal
2780 37066
5.5.5 5th Energy Level
NA7,970.00 kJ/mol
Dubnium Metal
4305.2 97510
5.5.6 6th Energy Level
NA10,400.00 kJ/mol
Seaborgium Metal
5715.8 105800
5.5.7 7th Energy level
NA12,900.00 kJ/mol
Bohrium Metal
7226.8 114300
5.5.8 8th Energy Level
NA16,800.00 kJ/mol
Hassium Metal
8857.4 125300
5.5.9 9th Energy Level
NA19,600.00 kJ/mol
Yttrium Metal
14110 134700
5.5.10 10th Energy Level
NA23,000.00 kJ/mol
Strontium Metal
17100 144300
5.5.11 11th Energy Level
NA26,400.00 kJ/mol
Yttrium Metal
19900 169988
5.5.12 12th Energy Level
NA29,990.00 kJ/mol
Molybdenum Metal
22219 189368
5.5.13 13th Energy Level
NA40,490.00 kJ/mol
Molybdenum Metal
26930 76015
5.5.14 14th Energy Level
NA43,800.00 kJ/mol
Molybdenum Metal
29196 86450
5.5.15 15th Energy Level
NA47,300.00 kJ/mol
Manganese Metal
41987 97510
5.5.16 16th Energy Level
NA52,300.00 kJ/mol
Iron Metal
47206 109480
5.5.17 17th Energy Level
NA55,900.00 kJ/mol
Cobalt Metal
52737 122200
5.5.18 18th Energy Level
NA59,700.00 kJ/mol
Nickel Metal
58570 134810
5.5.19 19th Energy Level
NA67,300.00 kJ/mol
Copper Metal
64702 148700
5.5.20 20th Energy Level
NA171,200.00 kJ/mol
Molybdenum Metal
80400 171200
5.5.21 21st Energy Level
NA179,100.00 kJ/mol
Molybdenum Metal
87000 179100
5.5.22 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
5.5.23 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
5.5.24 24th Energy Level
NANA
Molybdenum Metal
104400 195200
5.5.25 25th Energy Level
NANA
Molybdenum Metal
121900 121900
5.5.26 26th Energy Level
NANA
Molybdenum Metal
127700 127700
5.5.27 27th Energy Level
NANA
Molybdenum Metal
133800 133800
5.5.28 28th Energy Level
NANA
Molybdenum Metal
139800 139800
5.5.29 29th Energy Level
NANA
Molybdenum Metal
148100 148100
5.5.30 30th Energy Level
NANA
Molybdenum Metal
154500 154500
5.6 Electrochemical Equivalent
0.52 g/amp-hr1.22 g/amp-hr
Beryllium Metal
0.16812 8.3209
5.7 Electron Work Function
NA4.33 eV
Cesium Metal
2.14 5.65
5.8 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes
6 Atomic
6.1 Atomic Number
4330
Lithium Metal
3 117
6.2 Electron Configuration
[Kr] 4d5 5s2
[Ar] 3d10 4s2
6.3 Crystal Structure
Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
4330
Lithium Metal
3 117
6.4.2 Number of Neutrons
5535
Lithium Metal
4 184
6.4.3 Number of Electrons
4330
Lithium Metal
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
136.00 pm134.00 pm
Beryllium Metal
112 265
6.5.2 Covalent Radius
147.00 pm122.00 pm
Beryllium Metal
96 260
6.5.3 Van der Waals Radius
200.00 pm139.00 pm
Palladium
139 348
6.6 Atomic Weight
98.00 amu65.38 amu
Lithium Metal
6.94 294
6.7 Atomic Volume
8.50 cm3/mol9.20 cm3/mol
Manganese Metal
1.39 71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
180.00 (-eV)38.90 (-eV)
Francium Metal
8 392.42
6.10 Lattice Constant
273.50 pm266.49 pm
Beryllium Metal
228.58 891.25
6.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
6.12 Lattice C/A Ratio
1.60NA
Beryllium Metal
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
11.00 g/cm37.14 g/cm3
Lithium Metal
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
NA6.57 g/cm3
Lithium Metal
0.512 20
7.2 Tensile Strength
NANA
Indium Metal
2.5 11000
7.3 Viscosity
NANA
Mercury Metal
0.001526 0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
NANA
Cerium Metal
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
NANA
Tungsten Metal
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
NA43.00 GPa
Potassium Metal
1.3 222
7.5.2 Bulk Modulus
NA70.00 GPa
Cesium Metal
1.6 462
7.5.3 Young's Modulus
NA108.00 GPa
Cesium Metal
1.7 528
7.6 Poisson Ratio
NA0.25
Beryllium Metal
0.032 0.47
7.7 Other Mechanical Properties
NA
NA
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
11.506.90
Lithium Metal
0.53 4500
8.1.2 Magnetic Ordering
Paramagnetic
Diamagnetic
8.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
8.1.4 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
Conductor
8.2.2 Resistivity
200.00 nΩ·m59.00 nΩ·m
Thallium Metal
0.18 961
8.2.3 Electrical Conductivity
0.07 106/cm Ω0.17 106/cm Ω
Plutonium Metal
0.00666 0.63
8.2.4 Electron Affinity
53.00 kJ/mol0.00 kJ/mol
Mercury Metal
0 222.8
9 Thermal
9.1 Specific Heat
0.21 J/(kg K)0.39 J/(kg K)
Americium Metal
0.11 3.6
9.2 Molar Heat Capacity
24.27 J/mol·K25.47 J/mol·K
Beryllium Metal
16.443 62.7
9.3 Thermal Conductivity
50.60 W/m·K116.00 W/m·K
Neptunium Metal
6.3 429
9.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
9.5 Thermal Expansion
7.10 µm/(m·K)30.20 µm/(m·K)
Tungsten Metal
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
660.00 kJ/mol7.32 kJ/mol
Sodium
7.32 799.1
9.6.2 Enthalpy of Fusion
23.01 kJ/mol7.32 kJ/mol
Cesium Metal
2.1 35.23
9.6.3 Enthalpy of Atomization
649.00 kJ/mol129.70 kJ/mol
Mercury Metal
61.5 837
9.7 Standard Molar Entropy
181.10 J/mol.K41.60 J/mol.K
Beryllium Metal
9.5 198.1