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Gadolinium Properties
f
Gadolinium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
Properties
All
Physical
0
Melting Point
1,311.00 °C 35
Boiling Point
3,233.00 °C 25
Hardness
0
Mohs Hardness
Not Available 0
Brinell Hardness
Not Available 0
Vickers Hardness
510.00 MPa 22
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
Not Available 0
Speed of Sound
2,680.00 m/s 34
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
Gd 0
Isotopes
0
Known Isotopes
26 13
Electronegativity
0
Pauling Electronegativity
1.20 39
Sanderson Electronegativity
Not Available 0
Allred Rochow Electronegativity
1.11 29
Mulliken-Jaffe Electronegativity
Not Available 0
Allen Electronegativity
Not Available 0
Electropositivity
0
Pauling Electropositivity
2.80 15
Ionization Energies
0
1st Energy Level
593.40 kJ/mol 56
2nd Energy Level
1,170.00 kJ/mol 65
3rd Energy Level
1,990.00 kJ/mol 75
Electrochemical Equivalent
1.96 g/amp-hr 32
Electron Work Function
3.10 eV 35
Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes 0
Mechanical
0
Density
0
Density At Room Temperature
7.90 g/cm
3
51
Density When Liquid (at m.p.)
7.40 g/cm3 31
Vapor Pressure
0
Vapor Pressure at 1000 K
0.00 (Pa) 30
Vapor Pressure at 2000 K
7.39 (Pa) 9
Tensile Strength
Not Available 0
Viscosity
Not Available 0
Elasticity properties
0
Shear Modulus
21.80 GPa 33
Bulk Modulus
37.90 GPa 34
Young's Modulus
54.80 GPa 35
Poisson Ratio
0.26 23
Other Mechanical Properties
Ductile, Malleable 0
Periodic Table
0
Symbol
Gd 0
Group Number
0 18
Period Number
6 2
Block
f block 0
Element Family
Lanthanide 0
Atomic
0
Atomic Number
64 52
Atomic Weight
47.87 amu 78
Atomic Volume
19.90 cm3/mol 20
Electron Configuration
[Xe] 4f
7
5d
1
6s
2
0
Valence Electron Potential
46.10 (-eV) 34
Atom
0
Number of Protons
64 51
Number of Neutrons
93 37
Number of Electrons
64 51
Crystal Structure
Hexagonal Close Packed (HCP) 0
Crystal Lattice
HCP-Crystal-Structure-of-Gadolinium.jpg#100 0
Radius of an Atom
0
Atomic Radius
180.00 pm 14
Covalent Radius
196.00 pm 14
Van der Waals Radius
237.00 pm 15
Lattice Constant
363.60 pm 32
Lattice Angles
π/2, π/2, 2 π/3 0
Lattice C/A Ratio
1.59 9
Adjacent Atomic Numbers
0
Next Element
77 0
Previous Element
73 0
Magnetic
0
Electrical Properties
0
Resistivity
1.31 nΩ·m 56
Electrical Conductivity
0.01 10
6
/cm Ω 62
Electron Affinity
50.00 kJ/mol 21
Electrical Property
Conductor 0
Magnetic Characteristics
0
Specific Gravity
7.90 40
Magnetic Ordering
Ferromagnetic 0
Permeability
Not Available 0
Susceptibility
Not Available 0
Thermal
0
Specific Heat
0.23 J/(kg K) 27
Thermal Conductivity
10.60 W/m·K 64
Critical Temperature
Not Available 0
Molar Heat Capacity
37.03 J/mol·K 2
Thermal Expansion
9.40 µm/(m·K) 42
Standard Molar Entropy
68.10 J/mol.K 16
Enthalpy
0
Enthalpy of Vaporization
359.40 kJ/mol 21
Enthalpy of Fusion
10.05 kJ/mol 36
Enthalpy of Atomization
352.00 kJ/mol 27
All >>
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