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Rutherfordium vs Gadolinium

Rutherfordium
Gadolinium
Gadolinium vs Rutherfordium


Periodic Table
Symbol
Rf   
Gd   
Group Number
4   
14
0   
18
Period Number
7   
6   
Block
d block   
f block   
Element Family
Transition Metal   
Lanthanide   
CAS Number
53850365   
13
7440542   
33
Space Group Name
Not Available   
P63/mmc   
Space Group Number
Not Available   
194.00   
5
Facts
Interesting Facts
  • Rutherfordium does not occur in nature as it is a synthetic element.
  • Till date Rutherfordium metal has 15 radioisotopes created synthetically.
  
  • Gadolinium is not found free in nature, hence it is not a native metal.
  • Gadolinium metal found in minerals like Monazite and Bastnaesite.
  
Sources
Bombarding Plutonium with Accelerated 113 to 115 MeV Neon Ions, Synthetically Produced   
Found in Minerals, Mining   
History
  
  
Who Discovered
Joint Institute for Nuclear Research   
Jean Charles Galissard de Marignac   
Discovery
In 1964   
In 1880   
Abundance
  
  
Abundance In Universe
Not Available   
2 * 10-7 %   
22
Abundance In Sun
~-9999 %   
~0.0000002 %   
25
Abundance In Meteorites
Not Available   
0.00 %   
34
Abundance In Earth's Crust
Not Available   
0.00 %   
30
Abundance In Oceans
Not Available   
0.00 %   
38
Uses
Uses & Benefits
  • Currently known uses of Rutherfordium metal are limited to research purpose only.
  
  • Its alloys are also used in making Magnets, electronic components and Data storage devices.
  • Compound of Gadolinium metal are used in magnetic resonance imaging (MRI).
  
Industrial Uses
NA   
Aerospace Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys, Research Purposes   
Alloys   
Biological Properties
  
  
Toxicity
Unknown   
Non Toxic   
Present in Human Body
No   
No   
In Blood
0.00 Blood/mg dm-3   
37
Not Available   
In Bone
0.00 p.p.m.   
36
Not Available   
Physical Properties
Melting Point
2,100.00 °C   
11
1,311.00 °C   
35
Boiling Point
5,500.00 °C   
3
3,233.00 °C   
25
Appearance
  
  
Physical State
Solid   
Solid   
Color
Unknown   
Silvery White   
Luster
Unknown Luster   
Metallic   
Hardness
  
  
Vickers Hardness
Not Available   
510.00 MPa   
22
Speed of Sound
Not Available   
2,680.00 m/s   
34
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   
Gd   
Isotopes
  
  
Known Isotopes
13   
26
26   
13
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.20   
39
Allred Rochow Electronegativity
Not Available   
1.11   
29
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.80   
15
Ionization Energies
  
  
1st Energy Level
579.90 kJ/mol   
99+
593.40 kJ/mol   
99+
2nd Energy Level
1,389.40 kJ/mol   
99+
1,170.00 kJ/mol   
99+
3rd Energy Level
2,296.40 kJ/mol   
99+
1,990.00 kJ/mol   
99+
4th Energy Level
3,077.90 kJ/mol   
99+
4,250.00 kJ/mol   
30
Electrochemical Equivalent
Not Available   
1.96 g/amp-hr   
32
Electron Work Function
Not Available   
3.10 eV   
35
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Corrosion, Flammable, Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
104   
14
64   
99+
Electron Configuration
[Rn] 5f14 6d2 7s2   
[Xe] 4f7 5d1 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Gadolinium.jpg#100   
Atom
  
  
Number of Protons
104   
14
64   
99+
Number of Neutrons
157   
7
93   
37
Number of Electrons
104   
14
64   
99+
Radius of an Atom
  
  
Atomic Radius
150.00 pm   
33
180.00 pm   
14
Covalent Radius
157.00 pm   
31
196.00 pm   
14
Van der Waals Radius
Not Available   
237.00 pm   
15
Atomic Weight
267.00 amu   
11
47.87 amu   
99+
Atomic Volume
Not Available   
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
Previous Element
Lawrencium
  
Europium
  
Next Element
Dubnium
  
Terbium
  
Valence Electron Potential
Not Available   
46.10 (-eV)   
34
Lattice Constant
Not Available   
363.60 pm   
32
Lattice Angles
NA   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.59   
9
Mechanical Properties
Density
  
  
Density At Room Temperature
23.20 g/cm3   
8
7.90 g/cm3   
99+
Density When Liquid (at m.p.)
Not Available   
7.40 g/cm3   
31
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
30
Vapor Pressure at 2000 K
Not Available   
7.39 (Pa)   
9
Elasticity properties
  
  
Shear Modulus
Not Available   
21.80 GPa   
33
Bulk Modulus
Not Available   
37.90 GPa   
34
Young's Modulus
Not Available   
54.80 GPa   
35
Poisson Ratio
Not Available   
0.26   
23
Other Mechanical Properties
Unknown   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
7.90   
40
Magnetic Ordering
Unknown   
Ferromagnetic   
Electrical Properties
  
  
Electrical Property
Unknown   
Conductor   
Resistivity
Not Available   
1.31 nΩ·m   
99+
Electrical Conductivity
Not Available   
0.01 106/cm Ω   
99+
Electron Affinity
Not Available   
50.00 kJ/mol   
21
Thermal Properties
Specific Heat
Not Available   
0.23 J/(kg K)   
27
Molar Heat Capacity
Not Available   
37.03 J/mol·K   
2
Thermal Conductivity
Not Available   
10.60 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
9.40 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
359.40 kJ/mol   
21
Enthalpy of Fusion
Not Available   
10.05 kJ/mol   
36
Enthalpy of Atomization
Not Available   
352.00 kJ/mol   
27
Standard Molar Entropy
Not Available   
68.10 J/mol.K   
16
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