Home
 Compare Metals

Gadolinium vs Rhenium

Gadolinium
Rhenium
Rhenium vs Gadolinium


Periodic Table
Symbol
Gd  
Re  
Group Number
0  
18
7  
11
Period Number
6  
6  
Block
f block  
d block  
Element Family
Lanthanide  
Transition Metal  
CAS Number
7440542  
33
7440155  
99+
Space Group Name
P63/mmc  
P63/mmc  
Space Group Number
194.00  
5
194.00  
5
Facts
Interesting Facts
  • Gadolinium is not found free in nature, hence it is not a native metal.
  • Gadolinium metal found in minerals like Monazite and Bastnaesite.
  
  • Chemical properties of Rhenium are similar to Manganese.
  • Rhenium metal is created while refining Molybdenum.
  
Sources
Found in Minerals, Mining  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Jean Charles Galissard de Marignac  
Masataka Ogawa  
Discovery
In 1880  
In 1908  
Abundance
  
  
Abundance In Universe
2 * 10-7 %  
22
2 * 10-8 %  
29
Abundance In Sun
~0.0000002 %  
25
~0.00000001 %  
29
Abundance In Meteorites
0.00 %  
34
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
30
0.00 %  
99+
Abundance In Oceans
0.00 %  
38
0.00 %  
34
Uses
Uses & Benefits
  • 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).
  
  • Alloys of Rhenium are used as an electric contact material. It can resist withstand arc corrosion.
  • Its catalysts are used in hydrogenation of fine chemicals. Its Alloy with nickel is used to produce turbine blades.
  
Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry  
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
NA  
NA  
Other Uses
Alloys  
Alloys  
Biological Properties
  
  
Toxicity
Non Toxic  
Low Toxic  
Present in Human Body
No  
No  
Physical Properties
Melting Point
1,311.00 °C  
35
3,180.00 °C  
2
Boiling Point
3,233.00 °C  
25
5,627.00 °C  
2
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery Gray  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
Not Available  
7.00  
3
Brinell Hardness
Not Available  
1,320.00 MPa  
8
Vickers Hardness
510.00 MPa  
22
1,350.00 MPa  
7
Speed of Sound
2,680.00 m/s  
34
4,700.00 m/s  
15
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
Gd  
Re  
Isotopes
  
  
Known Isotopes
26  
13
33  
6
Electronegativity
  
  
Pauling Electronegativity
1.20  
39
1.90  
11
Allred Rochow Electronegativity
1.11  
29
1.46  
15
Allen Electronegativity
Not Available  
1.60  
21
Electropositivity
  
  
Pauling Electropositivity
2.80  
15
2.10  
99+
Ionization Energies
  
  
1st Energy Level
593.40 kJ/mol  
99+
760.00 kJ/mol  
20
2nd Energy Level
1,170.00 kJ/mol  
99+
1,260.00 kJ/mol  
99+
3rd Energy Level
1,990.00 kJ/mol  
99+
2,510.00 kJ/mol  
99+
4th Energy Level
4,250.00 kJ/mol  
30
3,640.00 kJ/mol  
99+
Electrochemical Equivalent
1.96 g/amp-hr  
32
0.99 g/amp-hr  
99+
Electron Work Function
3.10 eV  
35
4.96 eV  
7
Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes  
Corrosion, Ionization, Radioactive Isotopes, Solubility  
Atomic Properties
Atomic Number
64  
99+
75  
99+
Electron Configuration
[Xe] 4f7 5d1 6s2  
[Xe] 4f14 5d5 6s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
HCP-Crystal-Structure-of-Gadolinium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
64  
99+
75  
40
Number of Neutrons
93  
37
111  
26
Number of Electrons
64  
99+
75  
40
Radius of an Atom
  
  
Atomic Radius
180.00 pm  
14
137.00 pm  
40
Covalent Radius
196.00 pm  
14
151.00 pm  
34
Van der Waals Radius
237.00 pm  
15
200.00 pm  
28
Atomic Weight
47.87 amu  
99+
186.21 amu  
36
Atomic Volume
19.90 cm3/mol  
20
8.85 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Europium
  
Tungsten
  
Next Element
Terbium
  
Osmium
  
Valence Electron Potential
46.10 (-eV)  
34
180.00 (-eV)  
3
Lattice Constant
363.60 pm  
32
276.10 pm  
99+
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.59  
9
1.62  
3
Mechanical Properties
Density
  
  
Density At Room Temperature
7.90 g/cm3  
99+
21.02 g/cm3  
12
Density When Liquid (at m.p.)
7.40 g/cm3  
31
18.90 g/cm3  
4
Tensile Strength
Not Available  
1,070.00 MPa  
3
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
30
Not Available  
Vapor Pressure at 2000 K
7.39 (Pa)  
9
0.00 (Pa)  
29
Elasticity properties
  
  
Shear Modulus
21.80 GPa  
33
178.00 GPa  
3
Bulk Modulus
37.90 GPa  
34
370.00 GPa  
2
Young's Modulus
54.80 GPa  
35
463.00 GPa  
2
Poisson Ratio
0.26  
23
0.30  
14
Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
7.90  
40
21.02  
5
Magnetic Ordering
Ferromagnetic  
Paramagnetic  
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
1.31 nΩ·m  
99+
193.00 nΩ·m  
20
Electrical Conductivity
0.01 106/cm Ω  
99+
0.05 106/cm Ω  
33
Electron Affinity
50.00 kJ/mol  
21
14.50 kJ/mol  
35
Thermal Properties
Specific Heat
0.23 J/(kg K)  
27
0.13 J/(kg K)  
39
Molar Heat Capacity
37.03 J/mol·K  
2
25.48 J/mol·K  
38
Thermal Conductivity
10.60 W/m·K  
99+
48.00 W/m·K  
31
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
9.40 µm/(m·K)  
99+
6.20 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
359.40 kJ/mol  
21
707.10 kJ/mol  
3
Enthalpy of Fusion
10.05 kJ/mol  
36
33.05 kJ/mol  
2
Enthalpy of Atomization
352.00 kJ/mol  
27
791.00 kJ/mol  
2
Standard Molar Entropy
68.10 J/mol.K  
16
36.90 J/mol.K  
99+
Periodic Table >>
<< All

Compare Lanthanide Series

Lanthanide Metals

Lanthanide Metals

» More Lanthanide Metals

Compare Lanthanide Series

» More Compare Lanthanide Series
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!