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Nihonium vs Technetium

Nihonium
Technetium
Technetium vs Nihonium


Periodic Table
Symbol
Nh  
Tc  
Group Number
13  
5
7  
11
Period Number
7  
5  
Block
p block  
d block  
Element Family
Probably Post-​Transition  
Transition Metal  
CAS Number
54084707  
6
7440268  
99+
Space Group Name
-  
P63/mmc  
Space Group Number
194.00  
7
194.00  
7
Facts
Interesting Facts
Nihonium is a synthetic chemical element and is highly radioactive.  
  • Original name of Technetium was Masurium.
  • At the time of its discovery it found in sample of Molybdenum.
  
Sources
Synthetically Produced  
Made by Bombarding Molybdenum with Deuterons  
History
  
  
Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Emilio Segrè and Carlo Perriero  
Discovery
In 2003  
In 1937  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
40
Abundance In Sun
-  
0.00 %  
18
Abundance In Meteorites
-  
-  
Abundance In Earth's Crust
-  
0.00 %  
99+
Abundance In Oceans
-  
-  
Abundance In Humans
-  
-  
Uses
Uses & Benefits
  • Currently known uses of Ununtrium metal are limited to research purpose only.
  
  • Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Alloys, Nuclear Research, Research Purposes  
Biological Properties
  
  
Toxicity
-  
Low Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
29
0.00 Blood/mg dm-3  
40
In Bone
0.20 p.p.m.  
27
0.00 p.p.m.  
99+
Physical
Melting Point
430.00 °C  
99+
2,200.00 °C  
9
Boiling Point
1,130.00 °C  
99+
4,877.00 °C  
7
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Shiny Gray  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
-  
2.25  
16
Brinell Hardness
600.00 MPa  
24
550.00 MPa  
27
Vickers Hardness
350.00 MPa  
99+
500.00 MPa  
35
Speed of Sound
3,600.00 m/s  
29
16,200.00 m/s  
1
Optical Properties
  
  
Refractive Index
1.30  
99+
1.90  
18
Reflectivity
60.00 %  
23
35.00 %  
34
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Nh  
Tc  
Isotopes
  
  
Known Isotopes
7  
31
18  
21
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.90  
12
Sanderson Electronegativity
1.90  
13
1.90  
13
Allred Rochow Electronegativity
1.30  
25
1.36  
21
Mulliken-Jaffe Electronegativity
1.00  
99+
1.90  
13
Allen Electronegativity
0.70  
99+
1.51  
31
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
2.10  
99+
Ionization Energies
  
  
1st Energy Level
704.90 kJ/mol  
34
702.00 kJ/mol  
36
2nd Energy Level
2,238.50 kJ/mol  
7
1,470.00 kJ/mol  
99+
3rd Energy Level
3,023.30 kJ/mol  
26
2,850.00 kJ/mol  
34
4th Energy Level
4,351.50 kJ/mol  
39
7,020.00 kJ/mol  
14
5th Energy Level
5,692.60 kJ/mol  
99+
7,020.00 kJ/mol  
28
6th Energy Level
7,000.00 kJ/mol  
99+
7,020.00 kJ/mol  
99+
7th Energy level
7,040.00 kJ/mol  
40
4,700.00 kJ/mol  
99+
8th Energy Level
7,040.00 kJ/mol  
36
4,700.00 kJ/mol  
99+
9th Energy Level
7,040.00 kJ/mol  
33
7,020.00 kJ/mol  
35
10th Energy Level
7,040.00 kJ/mol  
37
7,020.00 kJ/mol  
39
11th Energy Level
7,040.00 kJ/mol  
35
7,020.00 kJ/mol  
37
12th Energy Level
70,000.00 kJ/mol  
5
7,020.00 kJ/mol  
99+
13th Energy Level
7,000.00 kJ/mol  
34
7,020.00 kJ/mol  
33
14th Energy Level
7,000.00 kJ/mol  
24
7,020.00 kJ/mol  
23
15th Energy Level
70,000.00 kJ/mol  
30
70,200.00 kJ/mol  
29
16th Energy Level
70,000.00 kJ/mol  
25
70,200.00 kJ/mol  
24
17th Energy Level
540.00 kJ/mol  
99+
702.50 kJ/mol  
99+
18th Energy Level
3,200.00 kJ/mol  
99+
7,020.00 kJ/mol  
35
19th Energy Level
540.20 kJ/mol  
99+
702.00 kJ/mol  
99+
20th Energy Level
700.00 kJ/mol  
36
702.00 kJ/mol  
35
21st Energy Level
1,130.00 kJ/mol  
29
702.00 kJ/mol  
99+
22nd Energy Level
558.00 kJ/mol  
99+
702.00 kJ/mol  
29
23rd Energy Level
7,000.00 kJ/mol  
11
702.00 kJ/mol  
99+
24th Energy Level
700.00 kJ/mol  
29
702.50 kJ/mol  
28
25th Energy Level
0.00 kJ/mol  
99+
702.00 kJ/mol  
30
26th Energy Level
586.20 kJ/mol  
99+
702.00 kJ/mol  
29
27th Energy Level
704.90 kJ/mol  
28
702.00 kJ/mol  
30
28th Energy Level
704.90 kJ/mol  
33
702.00 kJ/mol  
35
29th Energy Level
704.90 kJ/mol  
34
702.00 kJ/mol  
36
30th Energy Level
704.00 kJ/mol  
28
702.00 kJ/mol  
30
Electrochemical Equivalent
3.00 g/amp-hr  
21
0.52 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
4.90 eV  
12
Other Chemical Properties
Chemical Stability, Ionization  
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Atomic
Atomic Number
113  
5
43  
99+
Electron Configuration
[Rn] 5f14 6d10 7s2 7p1  
[Kr] 4d5 5s2  
Crystal Structure
Not Known  
Hexagonal Close Packed (HCP)  
Crystal Lattice
Unknown-Crystal-Structure-of-Ununtrium.jpg#100  
HCP-Crystal-Structure-of-Technetium.jpg#100  
Atom
  
  
Number of Protons
113  
5
43  
99+
Number of Neutrons
150  
12
55  
99+
Number of Electrons
113  
5
43  
99+
Radius of an Atom
  
  
Atomic Radius
170.00 pm  
24
136.00 pm  
99+
Covalent Radius
170.00 pm  
27
147.00 pm  
39
Van der Waals Radius
320.00 pm  
3
200.00 pm  
35
Atomic Weight
286.00 amu  
4
98.00 amu  
99+
Atomic Volume
21.10 cm3/mol  
24
8.50 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Copernicium
  
Molybdenum
  
Next Element
Flerovium
  
Ruthenium
  
Valence Electron Potential
6.20 (-eV)  
99+
180.00 (-eV)  
3
Lattice Constant
0.00 pm  
99+
273.50 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.58  
35
1.60  
21
Mechanical
Density
  
  
Density At Room Temperature
16.00 g/cm3  
19
11.00 g/cm3  
36
Density When Liquid (at m.p.)
16.00 g/cm3  
19
11.00 g/cm3  
34
Tensile Strength
80.00 MPa  
29
50.00 MPa  
38
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)  
37
0.00 (Pa)  
99+
Elasticity properties
  
  
Shear Modulus
40.00 GPa  
19
27.00 GPa  
34
Bulk Modulus
0.00 GPa  
99+
100.00 GPa  
16
Young's Modulus
12.20 GPa  
99+
50.00 GPa  
39
Poisson Ratio
0.30  
14
0.38  
6
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
16.00  
21
11.50  
37
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
5
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
0.32 nΩ·m  
99+
200.00 nΩ·m  
18
Electrical Conductivity
0.00 106/cm Ω  
99+
0.07 106/cm Ω  
35
Electron Affinity
0.00 kJ/mol  
99+
53.00 kJ/mol  
23
Thermal
Specific Heat
0.12 J/(kg K)  
99+
0.21 J/(kg K)  
30
Molar Heat Capacity
27.00 J/mol·K  
29
24.27 J/mol·K  
99+
Thermal Conductivity
1.70 W/m·K  
99+
50.60 W/m·K  
30
Critical Temperature
700.00 K  
99+
2,150.00 K  
16
Thermal Expansion
6.20 µm/(m·K)  
99+
7.10 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
410.80 kJ/mol  
23
660.00 kJ/mol  
7
Enthalpy of Fusion
-  
23.01 kJ/mol  
9
Enthalpy of Atomization
320.70 kJ/mol  
99+
649.00 kJ/mol  
9
Standard Molar Entropy
65.00 J/mol.K  
17
181.10 J/mol.K  
2
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