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Nobelium Nobelium Comparison

Nobelium
Nobelium
Nobelium Nobelium comparison


Periodic Table
Symbol
No  
No  
Group Number
3  
15
3  
15
Period Number
7  
7  
Block
f block  
f block  
Element Family
Actinide  
Actinide  
CAS Number
10028145  
16
10028145  
16
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.
  
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  
Sources
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining  
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining  
History
  
  
Who Discovered
Joint Institute for Nuclear Research  
Joint Institute for Nuclear Research  
Discovery
In 1966  
In 1966  
Abundance
  
  
Abundance In Universe
-  
-  
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 Nobelium 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  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
827.00 °C  
99+
827.00 °C  
99+
Boiling Point
2,600.00 °C  
99+
2,600.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
-  
Luster
Unknown Luster  
Unknown Luster  
Hardness
  
  
Mohs Hardness
-  
-  
Brinell Hardness
500.00 MPa  
28
500.00 MPa  
28
Vickers Hardness
500.00 MPa  
35
500.00 MPa  
35
Speed of Sound
1,100.00 m/s  
99+
1,100.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.30  
99+
1.30  
99+
Reflectivity
61.00 %  
22
61.00 %  
22
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
No  
No  
Isotopes
  
  
Known Isotopes
13  
26
13  
26
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.30  
33
Sanderson Electronegativity
1.30  
25
1.30  
25
Allred Rochow Electronegativity
1.20  
28
1.20  
28
Mulliken-Jaffe Electronegativity
1.30  
33
1.30  
33
Allen Electronegativity
1.10  
99+
1.10  
99+
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.70  
22
Ionization Energies
  
  
1st Energy Level
642.00 kJ/mol  
99+
642.00 kJ/mol  
99+
2nd Energy Level
1,254.00 kJ/mol  
99+
1,254.00 kJ/mol  
99+
3rd Energy Level
2,643.00 kJ/mol  
99+
2,643.00 kJ/mol  
99+
4th Energy Level
3,956.00 kJ/mol  
99+
3,956.00 kJ/mol  
99+
5th Energy Level
6,400.00 kJ/mol  
35
6,400.00 kJ/mol  
35
6th Energy Level
6,400.00 kJ/mol  
99+
6,400.00 kJ/mol  
99+
7th Energy level
6,270.00 kJ/mol  
99+
6,270.00 kJ/mol  
99+
8th Energy Level
6,270.00 kJ/mol  
99+
6,270.00 kJ/mol  
99+
9th Energy Level
6,270.00 kJ/mol  
99+
6,270.00 kJ/mol  
99+
10th Energy Level
6,270.00 kJ/mol  
99+
6,270.00 kJ/mol  
99+
11th Energy Level
6,420.00 kJ/mol  
99+
6,420.00 kJ/mol  
99+
12th Energy Level
64,000.00 kJ/mol  
8
64,000.00 kJ/mol  
8
13th Energy Level
6,400.00 kJ/mol  
36
6,400.00 kJ/mol  
36
14th Energy Level
6,400.00 kJ/mol  
26
6,400.00 kJ/mol  
26
15th Energy Level
64,000.00 kJ/mol  
36
64,000.00 kJ/mol  
36
16th Energy Level
64,000.00 kJ/mol  
27
64,000.00 kJ/mol  
27
17th Energy Level
641.00 kJ/mol  
99+
641.00 kJ/mol  
99+
18th Energy Level
3,500.00 kJ/mol  
99+
3,500.00 kJ/mol  
99+
19th Energy Level
627.60 kJ/mol  
99+
627.60 kJ/mol  
99+
20th Energy Level
627.00 kJ/mol  
99+
627.00 kJ/mol  
99+
21st Energy Level
917.00 kJ/mol  
34
917.00 kJ/mol  
34
22nd Energy Level
627.00 kJ/mol  
36
627.00 kJ/mol  
36
23rd Energy Level
6,410.00 kJ/mol  
12
6,410.00 kJ/mol  
12
24th Energy Level
627.00 kJ/mol  
39
627.00 kJ/mol  
39
25th Energy Level
0.00 kJ/mol  
99+
0.00 kJ/mol  
99+
26th Energy Level
601.20 kJ/mol  
99+
601.20 kJ/mol  
99+
27th Energy Level
641.00 kJ/mol  
37
641.00 kJ/mol  
37
28th Energy Level
641.60 kJ/mol  
99+
641.60 kJ/mol  
99+
29th Energy Level
641.00 kJ/mol  
99+
641.00 kJ/mol  
99+
30th Energy Level
627.00 kJ/mol  
99+
627.00 kJ/mol  
99+
Electrochemical Equivalent
4.83 g/amp-hr  
4
4.83 g/amp-hr  
4
Electron Work Function
4.90 eV  
12
4.90 eV  
12
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
102  
16
102  
16
Electron Configuration
[Rn] 5f14 7s2  
[Rn] 5f14 7s2  
Crystal Structure
Not Known  
Not Known  
Crystal Lattice
Unknown-Crystal-Structure-of-Nobelium.jpg#100  
Unknown-Crystal-Structure-of-Nobelium.jpg#100  
Atom
  
  
Number of Protons
102  
16
102  
16
Number of Neutrons
157  
8
157  
8
Number of Electrons
102  
16
102  
16
Radius of an Atom
  
  
Atomic Radius
176.00 pm  
20
176.00 pm  
20
Covalent Radius
157.00 pm  
33
157.00 pm  
33
Van der Waals Radius
246.00 pm  
12
246.00 pm  
12
Atomic Weight
259.00 amu  
13
259.00 amu  
13
Atomic Volume
19.80 cm3/mol  
33
19.80 cm3/mol  
33
Adjacent Atomic Numbers
  
  
Previous Element
Mendelevium
  
Mendelevium
  
Next Element
Lawrencium
  
Lawrencium
  
Valence Electron Potential
26.00 (-eV)  
99+
26.00 (-eV)  
99+
Lattice Constant
-  
-  
Lattice Angles
-  
-  
Lattice C/A Ratio
1.76  
5
1.76  
5
Mechanical
Density
  
  
Density At Room Temperature
9.90 g/cm3  
99+
9.90 g/cm3  
99+
Density When Liquid (at m.p.)
9.90 g/cm3  
99+
9.90 g/cm3  
99+
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)  
28
Elasticity properties
  
  
Shear Modulus
27.00 GPa  
34
27.00 GPa  
34
Bulk Modulus
8.70 GPa  
99+
8.70 GPa  
99+
Young's Modulus
12.30 GPa  
99+
12.30 GPa  
99+
Poisson Ratio
0.30  
14
0.30  
14
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
9.90  
99+
9.90  
99+
Magnetic Ordering
-  
-  
Permeability
0.00 H/m  
3
0.00 H/m  
3
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
0.68 nΩ·m  
99+
0.68 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
50.00 kJ/mol  
26
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.10 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+
0.10 W/m·K  
99+
Critical Temperature
1,100.00 K  
99+
1,100.00 K  
99+
Thermal Expansion
11.00 µm/(m·K)  
99+
11.00 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
-  
-  
Enthalpy of Fusion
-  
-  
Enthalpy of Atomization
390.40 kJ/mol  
30
390.40 kJ/mol  
30
Standard Molar Entropy
63.00 J/mol.K  
24
63.00 J/mol.K  
24
Summary >>
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