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Rutherfordium Nobelium Comparison

Rutherfordium
Nobelium
Nobelium Rutherfordium comparison


Periodic Table
Symbol
Rf   
No   
Group Number
4   
14
Not Available   
Period Number
7   
7   
Block
d block   
f block   
Element Family
Transition Metal   
Actinide   
CAS Number
53850365   
13
10028145   
16
Space Group Name
Not Available   
Not Available   
Space Group Number
Not Available   
Not Available   
Facts
Interesting Facts
  • Rutherfordium does not occur in nature as it is a synthetic element.
  • Till date Rutherfordium metal has 15 radioisotopes created synthetically.
  
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  
Sources
Bombarding Plutonium with Accelerated 113 to 115 MeV Neon Ions, Synthetically Produced   
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 1964   
In 1966   
Abundance
  
  
Uses
Uses & Benefits
  • Currently known uses of Rutherfordium metal are limited to research purpose only.
  
  • Currently known uses of Nobelium metal are limited to research purpose only.
  
Industrial Uses
NA   
NA   
Medical Uses
NA   
NA   
Other Uses
Alloys, Research Purposes   
Research Purposes   
Biological Properties
  
  
Present in Human Body
No   
No   
In Blood
0.00 Blood/mg dm-3   
37
0.00 Blood/mg dm-3   
37
In Bone
0.00 p.p.m.   
36
0.00 p.p.m.   
36
Physical Properties
Melting Point
2,100.00 °C   
11
827.00 °C   
99+
Boiling Point
5,500.00 °C   
3
Not Available   
Appearance
  
  
Physical State
Solid   
Solid   
Luster
Unknown Luster   
Unknown Luster   
Hardness
  
  
Speed of Sound
Not Available   
Not Available   
Optical Properties
  
  
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Rf   
No   
Isotopes
  
  
Known Isotopes
13   
26
13   
26
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.30   
32
Allred Rochow Electronegativity
Not Available   
1.20   
27
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.70   
22
Ionization Energies
  
  
1st Energy Level
579.90 kJ/mol   
99+
642.00 kJ/mol   
99+
2nd Energy Level
1,389.40 kJ/mol   
99+
1,254.00 kJ/mol   
99+
3rd Energy Level
2,296.40 kJ/mol   
99+
2,643.00 kJ/mol   
99+
4th Energy Level
3,077.90 kJ/mol   
99+
3,956.00 kJ/mol   
39
Electrochemical Equivalent
Not Available   
4.83 g/amp-hr   
4
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
104   
14
102   
16
Electron Configuration
[Rn] 5f14 6d2 7s2   
[Rn] 5f14 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Not Known   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
Unknown-Crystal-Structure-of-Nobelium.jpg#100   
Atom
  
  
Number of Protons
104   
14
102   
16
Number of Neutrons
157   
7
157   
7
Number of Electrons
104   
14
102   
16
Radius of an Atom
  
  
Atomic Radius
150.00 pm   
33
Not Available   
Covalent Radius
157.00 pm   
31
Not Available   
Van der Waals Radius
Not Available   
246.00 pm   
8
Atomic Weight
267.00 amu   
11
259.00 amu   
13
Atomic Volume
Not Available   
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Lawrencium
  
Mendelevium
  
Next Element
Dubnium
  
Lawrencium
  
Valence Electron Potential
Not Available   
26.00 (-eV)   
99+
Lattice Constant
Not Available   
Not Available   
Lattice Angles
NA   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
23.20 g/cm3   
8
Not Available   
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Elasticity properties
  
  
Poisson Ratio
Not Available   
Not Available   
Other Mechanical Properties
Unknown   
Unknown   
Magnetic Properties
Magnetic Characteristics
  
  
Electrical Properties
  
  
Thermal Properties
Specific Heat
Not Available   
Not Available   
Molar Heat Capacity
Not Available   
Not Available   
Thermal Conductivity
Not Available   
Not Available   
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
Not Available   
Enthalpy
  
  
Standard Molar Entropy
Not Available   
Not Available   
Summary >>
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