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Nobelium Nihonium Comparison

Nobelium
Nihonium
Nihonium Nobelium comparison


Periodic Table
Symbol
No  
Nh  
Group Number
3  
15
13  
5
Period Number
7  
7  
Block
f block  
p block  
Element Family
Actinide  
Probably Post-​Transition  
CAS Number
10028145  
16
54084707  
6
Space Group Name
-  
-  
Space Group Number
194.00  
7
194.00  
7
Facts
Interesting Facts
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  
Nihonium is a synthetic chemical element and is highly radioactive.  
Sources
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining  
Synthetically Produced  
History
  
  
Who Discovered
Joint Institute for Nuclear Research  
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Discovery
In 1966  
In 2003  
Abundance
  
  
Abundance In Universe
-  
0.00 %  
40
Abundance In Sun
-  
-  
Abundance In Meteorites
-  
-  
Abundance In Earth's Crust
-  
-  
Abundance In Oceans
-  
-  
Abundance In Humans
-  
-  
Uses
Uses & Benefits
  • Currently known uses of Nobelium metal are limited to research purpose only.
  
  • Currently known uses of Ununtrium metal are limited to research purpose only.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Research Purposes  
Biological Properties
  
  
Toxicity
-  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
29
In Bone
0.00 p.p.m.  
99+
0.20 p.p.m.  
27
Physical
Melting Point
827.00 °C  
99+
430.00 °C  
99+
Boiling Point
2,600.00 °C  
99+
1,130.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
-  
Luster
Unknown Luster  
Unknown Luster  
Hardness
  
  
Mohs Hardness
-  
-  
Brinell Hardness
500.00 MPa  
28
600.00 MPa  
24
Vickers Hardness
500.00 MPa  
35
350.00 MPa  
99+
Speed of Sound
1,100.00 m/s  
99+
3,600.00 m/s  
29
Optical Properties
  
  
Refractive Index
1.30  
99+
1.30  
99+
Reflectivity
61.00 %  
22
60.00 %  
23
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
No  
Nh  
Isotopes
  
  
Known Isotopes
13  
26
7  
31
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.30  
33
Sanderson Electronegativity
1.30  
25
1.90  
13
Allred Rochow Electronegativity
1.20  
28
1.30  
25
Mulliken-Jaffe Electronegativity
1.30  
33
1.00  
99+
Allen Electronegativity
1.10  
99+
0.70  
99+
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.20  
39
Ionization Energies
  
  
1st Energy Level
642.00 kJ/mol  
99+
704.90 kJ/mol  
34
2nd Energy Level
1,254.00 kJ/mol  
99+
2,238.50 kJ/mol  
7
3rd Energy Level
2,643.00 kJ/mol  
99+
3,023.30 kJ/mol  
26
4th Energy Level
3,956.00 kJ/mol  
99+
4,351.50 kJ/mol  
39
5th Energy Level
6,400.00 kJ/mol  
35
5,692.60 kJ/mol  
99+
6th Energy Level
6,400.00 kJ/mol  
99+
7,000.00 kJ/mol  
99+
7th Energy level
6,270.00 kJ/mol  
99+
7,040.00 kJ/mol  
40
8th Energy Level
6,270.00 kJ/mol  
99+
7,040.00 kJ/mol  
36
9th Energy Level
6,270.00 kJ/mol  
99+
7,040.00 kJ/mol  
33
10th Energy Level
6,270.00 kJ/mol  
99+
7,040.00 kJ/mol  
37
11th Energy Level
6,420.00 kJ/mol  
99+
7,040.00 kJ/mol  
35
12th Energy Level
64,000.00 kJ/mol  
8
70,000.00 kJ/mol  
5
13th Energy Level
6,400.00 kJ/mol  
36
7,000.00 kJ/mol  
34
14th Energy Level
6,400.00 kJ/mol  
26
7,000.00 kJ/mol  
24
15th Energy Level
64,000.00 kJ/mol  
36
70,000.00 kJ/mol  
30
16th Energy Level
64,000.00 kJ/mol  
27
70,000.00 kJ/mol  
25
17th Energy Level
641.00 kJ/mol  
99+
540.00 kJ/mol  
99+
18th Energy Level
3,500.00 kJ/mol  
99+
3,200.00 kJ/mol  
99+
19th Energy Level
627.60 kJ/mol  
99+
540.20 kJ/mol  
99+
20th Energy Level
627.00 kJ/mol  
99+
700.00 kJ/mol  
36
21st Energy Level
917.00 kJ/mol  
34
1,130.00 kJ/mol  
29
22nd Energy Level
627.00 kJ/mol  
36
558.00 kJ/mol  
99+
23rd Energy Level
6,410.00 kJ/mol  
12
7,000.00 kJ/mol  
11
24th Energy Level
627.00 kJ/mol  
39
700.00 kJ/mol  
29
25th Energy Level
0.00 kJ/mol  
99+
0.00 kJ/mol  
99+
26th Energy Level
601.20 kJ/mol  
99+
586.20 kJ/mol  
99+
27th Energy Level
641.00 kJ/mol  
37
704.90 kJ/mol  
28
28th Energy Level
641.60 kJ/mol  
99+
704.90 kJ/mol  
33
29th Energy Level
641.00 kJ/mol  
99+
704.90 kJ/mol  
34
30th Energy Level
627.00 kJ/mol  
99+
704.00 kJ/mol  
28
Electrochemical Equivalent
4.83 g/amp-hr  
4
3.00 g/amp-hr  
21
Electron Work Function
4.90 eV  
12
4.90 eV  
12
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Chemical Stability, Ionization  
Atomic
Atomic Number
102  
16
113  
5
Electron Configuration
[Rn] 5f14 7s2  
[Rn] 5f14 6d10 7s2 7p1  
Crystal Structure
Not Known  
Not Known  
Crystal Lattice
Unknown-Crystal-Structure-of-Nobelium.jpg#100  
Unknown-Crystal-Structure-of-Ununtrium.jpg#100  
Atom
  
  
Number of Protons
102  
16
113  
5
Number of Neutrons
157  
8
150  
12
Number of Electrons
102  
16
113  
5
Radius of an Atom
  
  
Atomic Radius
176.00 pm  
20
170.00 pm  
24
Covalent Radius
157.00 pm  
33
170.00 pm  
27
Van der Waals Radius
246.00 pm  
12
320.00 pm  
3
Atomic Weight
259.00 amu  
13
286.00 amu  
4
Atomic Volume
19.80 cm3/mol  
33
21.10 cm3/mol  
24
Adjacent Atomic Numbers
  
  
Previous Element
Mendelevium
  
Copernicium
  
Next Element
Lawrencium
  
Flerovium
  
Valence Electron Potential
26.00 (-eV)  
99+
6.20 (-eV)  
99+
Lattice Constant
-  
0.00 pm  
99+
Lattice Angles
-  
-  
Lattice C/A Ratio
1.76  
5
1.58  
35
Mechanical
Density
  
  
Density At Room Temperature
9.90 g/cm3  
99+
16.00 g/cm3  
19
Density When Liquid (at m.p.)
9.90 g/cm3  
99+
16.00 g/cm3  
19
Tensile Strength
80.00 MPa  
29
80.00 MPa  
29
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)  
28
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
27.00 GPa  
34
40.00 GPa  
19
Bulk Modulus
8.70 GPa  
99+
0.00 GPa  
99+
Young's Modulus
12.30 GPa  
99+
12.20 GPa  
99+
Poisson Ratio
0.30  
14
0.30  
14
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
9.90  
99+
16.00  
21
Magnetic Ordering
-  
-  
Permeability
0.00 H/m  
3
0.00 H/m  
5
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
0.68 nΩ·m  
99+
0.32 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.12 J/(kg K)  
99+
Molar Heat Capacity
27.00 J/mol·K  
29
27.00 J/mol·K  
29
Thermal Conductivity
0.10 W/m·K  
99+
1.70 W/m·K  
99+
Critical Temperature
1,100.00 K  
99+
700.00 K  
99+
Thermal Expansion
11.00 µm/(m·K)  
99+
6.20 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
-  
410.80 kJ/mol  
23
Enthalpy of Fusion
-  
-  
Enthalpy of Atomization
390.40 kJ/mol  
30
320.70 kJ/mol  
99+
Standard Molar Entropy
63.00 J/mol.K  
24
65.00 J/mol.K  
17
Summary >>
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