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Ytterbium Rutherfordium Comparison


Rutherfordium Ytterbium comparison


Periodic Table

Symbol
Yb   
Rf   

Group Number
Not Available   
4   
14

Period Number
6   
7   

Block
f block   
d block   

Element Family
Lanthanide   
Transition Metal   

CAS Number
7440644   
26
53850365   
13

Space Group Name
Fm_ 3m   
Not Available   

Space Group Number
225.00   
2
Not Available   

Facts

Interesting Facts
  • Ytterbium metal oxidizes rapidly if exposed to air.
  • Ytterbium metal can dissolve quickly in Mineral acid.
  
  • Rutherfordium does not occur in nature as it is a synthetic element.
  • Till date Rutherfordium metal has 15 radioisotopes created synthetically.
  

Sources
Found in Minerals, Mining, Ores of Minerals   
Bombarding Plutonium with Accelerated 113 to 115 MeV Neon Ions, Synthetically Produced   

History
  
  

Who Discovered
Jean Charles Galissard de Marignac   
Joint Institute for Nuclear Research   

Discovery
In 1878   
In 1964   

Abundance
  
  

Abundance In Universe
2 * 10-7 %   
22
Not Available   

Abundance In Sun
~0.0000001 %   
26
~-9999 %   

Abundance In Meteorites
0.00 %   
36
Not Available   

Abundance In Earth's Crust
0.00 %   
33
Not Available   

Abundance In Oceans
0.00 %   
37
Not Available   

Uses

Uses & Benefits
  • Ytterbium metal is used in memory devices and tuneable laser.
  • It is also used as industrial catalyst as the other catalysts are too toxic and polluting.
  
  • Currently known uses of Rutherfordium metal are limited to research purpose only.
  

Industrial Uses
Automobile Industry, Chemical Industry   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys   
Alloys, Research Purposes   

Biological Properties
  
  

Toxicity
Highly Toxic   
Unknown   

Present in Human Body
No   
No   

In Blood
Not Available   
0.00 Blood/mg dm-3   
37

In Bone
Not Available   
0.00 p.p.m.   
36

Physical Properties

Melting Point
824.00 °C   
99+
2,100.00 °C   
11

Boiling Point
1,196.00 °C   
99+
5,500.00 °C   
3

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Unknown   

Luster
Metallic   
Unknown Luster   

Hardness
  
  

Brinell Hardness
343.00 MPa   
31
Not Available   

Vickers Hardness
206.00 MPa   
33
Not Available   

Speed of Sound
1,590.00 m/s   
99+
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
Yb   
Rf   

Isotopes
  
  

Known Isotopes
30   
9
13   
26

Electronegativity
  
  

Allred Rochow Electronegativity
1.06   
33
Not Available   

Electropositivity
  
  

Ionization Energies
  
  

1st Energy Level
603.40 kJ/mol   
99+
579.90 kJ/mol   
99+

2nd Energy Level
1,174.80 kJ/mol   
99+
1,389.40 kJ/mol   
99+

3rd Energy Level
2,417.00 kJ/mol   
99+
2,296.40 kJ/mol   
99+

4th Energy Level
4,203.00 kJ/mol   
31
3,077.90 kJ/mol   
99+

Electrochemical Equivalent
2.15 g/amp-hr   
25
Not Available   

Electron Work Function
Not Available   
Not Available   

Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   

Atomic Properties

Atomic Number
70   
99+
104   
14

Electron Configuration
[Xe] 4f14 6s2   
[Rn] 5f14 6d2 7s2   

Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
FCC-Crystal-Structure-of-Ytterbium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
70   
99+
104   
14

Number of Neutrons
103   
31
157   
7

Number of Electrons
70   
99+
104   
14

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
150.00 pm   
33

Covalent Radius
187.00 pm   
20
157.00 pm   
31

Van der Waals Radius
242.00 pm   
12
Not Available   

Atomic Weight
173.05 amu   
99+
267.00 amu   
11

Atomic Volume
24.79 cm3/mol   
9
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Thulium
  
Lawrencium
  

Next Element
Lutetium
  
Dubnium
  

Valence Electron Potential
50.30 (-eV)   
27
Not Available   

Lattice Constant
548.47 pm   
11
Not Available   

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
6.90 g/cm3   
99+
23.20 g/cm3   
8

Density When Liquid (at m.p.)
6.21 g/cm3   
99+
Not Available   

Tensile Strength
58.00 MPa   
18
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Elasticity properties
  
  

Shear Modulus
9.90 GPa   
99+
Not Available   

Bulk Modulus
30.50 GPa   
39
Not Available   

Young's Modulus
23.90 GPa   
99+
Not Available   

Poisson Ratio
0.21   
33
Not Available   

Other Mechanical Properties
Ductile, Malleable   
Unknown   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
6.97   
99+
Not Available   

Magnetic Ordering
Paramagnetic   
Unknown   

Electrical Properties
  
  

Electrical Property
Conductor   
Unknown   

Resistivity
0.25 nΩ·m   
99+
Not Available   

Electrical Conductivity
0.04 106/cm Ω   
38
Not Available   

Electron Affinity
50.00 kJ/mol   
21
Not Available   

Thermal Properties

Specific Heat
0.15 J/(kg K)   
36
Not Available   

Molar Heat Capacity
26.74 J/mol·K   
25
Not Available   

Thermal Conductivity
38.50 W/m·K   
35
Not Available   

Critical Temperature
26.30 K   
7
Not Available   

Thermal Expansion
26.30 µm/(m·K)   
14
Not Available   

Enthalpy
  
  

Enthalpy of Vaporization
128.90 kJ/mol   
99+
Not Available   

Enthalpy of Fusion
7.66 kJ/mol   
99+
Not Available   

Enthalpy of Atomization
180.00 kJ/mol   
99+
Not Available   

Standard Molar Entropy
59.90 J/mol.K   
21
Not Available   

Summary >>
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