Home
 Compare Metals

Technetium vs Flerovium

Technetium
Flerovium
Flerovium vs Technetium


Periodic Table
Symbol
Tc  
Fl  
Group Number
7  
11
14  
4
Period Number
5  
7  
Block
d block  
p block  
Element Family
Transition Metal  
Post-​Transition  
CAS Number
7440268  
99+
54085164  
5
Space Group Name
P63/mmc  
-  
Space Group Number
194.00  
7
198.00  
6
Facts
Interesting Facts
  • Original name of Technetium was Masurium.
  • At the time of its discovery it found in sample of Molybdenum.
  
Flerovium is named after the Flerov Laboratory of Nuclear Reactions.  
Sources
Made by Bombarding Molybdenum with Deuterons  
-  
History
  
  
Who Discovered
Emilio Segrè and Carlo Perriero  
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Discovery
In 1937  
In 1999  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
40
Abundance In Sun
0.00 %  
18
-  
Abundance In Meteorites
-  
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
99+
-  
Abundance In Oceans
-  
-  
Abundance In Humans
-  
-  
Uses
Uses & Benefits
  • Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
  
  • Currently known uses of Flerovium metal are limited to research purpose only.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Alloys, Nuclear Research, Research Purposes  
Alloys, Research Purposes  
Biological Properties
  
  
Toxicity
Low Toxic  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
2,200.00 °C  
9
67.00 °C  
99+
Boiling Point
4,877.00 °C  
7
147.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Shiny Gray  
-  
Luster
-  
Unknown Luster  
Hardness
  
  
Mohs Hardness
2.25  
16
4.00  
11
Brinell Hardness
550.00 MPa  
27
350.00 MPa  
36
Vickers Hardness
500.00 MPa  
35
450.00 MPa  
38
Speed of Sound
16,200.00 m/s  
1
3,200.00 m/s  
35
Optical Properties
  
  
Refractive Index
1.90  
18
1.30  
99+
Reflectivity
35.00 %  
34
68.00 %  
15
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Tc  
Fl  
Isotopes
  
  
Known Isotopes
18  
21
1  
34
Electronegativity
  
  
Pauling Electronegativity
1.90  
12
2.60  
1
Sanderson Electronegativity
1.90  
13
1.30  
25
Allred Rochow Electronegativity
1.36  
21
1.30  
25
Mulliken-Jaffe Electronegativity
1.90  
13
1.30  
33
Allen Electronegativity
1.51  
31
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.10  
99+
2.00  
99+
Ionization Energies
  
  
1st Energy Level
702.00 kJ/mol  
36
823.90 kJ/mol  
13
2nd Energy Level
1,470.00 kJ/mol  
99+
1,601.60 kJ/mol  
35
3rd Energy Level
2,850.00 kJ/mol  
34
3,367.30 kJ/mol  
18
4th Energy Level
7,020.00 kJ/mol  
14
4,399.70 kJ/mol  
37
5th Energy Level
7,020.00 kJ/mol  
28
5,847.00 kJ/mol  
99+
6th Energy Level
7,020.00 kJ/mol  
99+
11,400.00 kJ/mol  
9
7th Energy level
4,700.00 kJ/mol  
99+
5,400.00 kJ/mol  
99+
8th Energy Level
4,700.00 kJ/mol  
99+
6,700.00 kJ/mol  
39
9th Energy Level
7,020.00 kJ/mol  
35
5,840.00 kJ/mol  
99+
10th Energy Level
7,020.00 kJ/mol  
39
6,000.00 kJ/mol  
99+
11th Energy Level
7,020.00 kJ/mol  
37
6,000.00 kJ/mol  
99+
12th Energy Level
7,020.00 kJ/mol  
99+
36,400.00 kJ/mol  
24
13th Energy Level
7,020.00 kJ/mol  
33
5,400.00 kJ/mol  
99+
14th Energy Level
7,020.00 kJ/mol  
23
1,145.00 kJ/mol  
99+
15th Energy Level
70,200.00 kJ/mol  
29
67,000.00 kJ/mol  
33
16th Energy Level
70,200.00 kJ/mol  
24
36,400.00 kJ/mol  
99+
17th Energy Level
702.50 kJ/mol  
99+
1,144.00 kJ/mol  
17
18th Energy Level
7,020.00 kJ/mol  
35
3,400.00 kJ/mol  
99+
19th Energy Level
702.00 kJ/mol  
99+
1,127.50 kJ/mol  
16
20th Energy Level
702.00 kJ/mol  
35
800.00 kJ/mol  
24
21st Energy Level
702.00 kJ/mol  
99+
670.00 kJ/mol  
99+
22nd Energy Level
702.00 kJ/mol  
29
340.00 kJ/mol  
99+
23rd Energy Level
702.00 kJ/mol  
99+
1,120.00 kJ/mol  
34
24th Energy Level
702.50 kJ/mol  
28
540.10 kJ/mol  
99+
25th Energy Level
702.00 kJ/mol  
30
0.00 kJ/mol  
99+
26th Energy Level
702.00 kJ/mol  
29
540.10 kJ/mol  
99+
27th Energy Level
702.00 kJ/mol  
30
540.00 kJ/mol  
99+
28th Energy Level
702.00 kJ/mol  
35
800.00 kJ/mol  
18
29th Energy Level
702.00 kJ/mol  
36
800.10 kJ/mol  
17
30th Energy Level
702.00 kJ/mol  
30
0.00 kJ/mol  
99+
Electrochemical Equivalent
0.52 g/amp-hr  
99+
3.00 g/amp-hr  
21
Electron Work Function
4.90 eV  
12
4.90 eV  
12
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
43  
99+
114  
4
Electron Configuration
[Kr] 4d5 5s2  
[Rn] 5f14 6d10 7s2 7p2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Not Known  
Crystal Lattice
HCP-Crystal-Structure-of-Technetium.jpg#100  
Unknown-Crystal-Structure-of-Flerovium.jpg#100  
Atom
  
  
Number of Protons
43  
99+
114  
4
Number of Neutrons
55  
99+
184  
2
Number of Electrons
43  
99+
114  
4
Radius of an Atom
  
  
Atomic Radius
136.00 pm  
99+
180.00 pm  
16
Covalent Radius
147.00 pm  
39
171.00 pm  
26
Van der Waals Radius
200.00 pm  
35
0.00 pm  
99+
Atomic Weight
98.00 amu  
99+
289.00 amu  
3
Atomic Volume
8.50 cm3/mol  
99+
14.00 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Molybdenum
  
Nihonium
  
Next Element
Ruthenium
  
Moscovium
  
Valence Electron Potential
180.00 (-eV)  
3
0.00 (-eV)  
99+
Lattice Constant
273.50 pm  
99+
-  
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.60  
21
1.60  
22
Mechanical
Density
  
  
Density At Room Temperature
11.00 g/cm3  
36
14.00 g/cm3  
24
Density When Liquid (at m.p.)
11.00 g/cm3  
34
14.00 g/cm3  
24
Tensile Strength
50.00 MPa  
38
0.10 MPa  
99+
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
27.00 GPa  
34
35.00 GPa  
21
Bulk Modulus
100.00 GPa  
16
15.00 GPa  
99+
Young's Modulus
50.00 GPa  
39
0.00 GPa  
99+
Poisson Ratio
0.38  
6
0.30  
14
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
11.50  
37
14.00  
25
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
17
0.00 H/m  
15
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
200.00 nΩ·m  
18
5.40 nΩ·m  
99+
Electrical Conductivity
0.07 106/cm Ω  
35
0.00 106/cm Ω  
99+
Electron Affinity
53.00 kJ/mol  
23
-  
Thermal
Specific Heat
0.21 J/(kg K)  
30
0.10 J/(kg K)  
99+
Molar Heat Capacity
24.27 J/mol·K  
99+
27.00 J/mol·K  
29
Thermal Conductivity
50.60 W/m·K  
30
0.00 W/m·K  
99+
Critical Temperature
2,150.00 K  
16
340.00 K  
99+
Thermal Expansion
7.10 µm/(m·K)  
99+
7.10 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
660.00 kJ/mol  
7
337.40 kJ/mol  
38
Enthalpy of Fusion
23.01 kJ/mol  
9
14.50 kJ/mol  
26
Enthalpy of Atomization
649.00 kJ/mol  
9
-  
Standard Molar Entropy
181.10 J/mol.K  
2
57.00 J/mol.K  
30
Periodic Table >>
<< All

Compare Transition Metals

Transition Metals

Transition Metals

» More Transition Metals

Compare Transition Metals

» More Compare Transition Metals
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!