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Curium Properties
Curium


Physical
0
Melting Point
1,340.00 °C 34
Boiling Point
3,110.00 °C 30
Hardness
0
Mohs Hardness
Not Available 0
Brinell Hardness
Not Available 0
Vickers Hardness
Not Available 0
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
Not Available 0
Speed of Sound
Not Available 0
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
Cm 0
Isotopes
0
Known Isotopes
15 24
Electronegativity
0
Pauling Electronegativity
1.30 32
Sanderson Electronegativity
Not Available 0
Allred Rochow Electronegativity
1.20 27
Mulliken-Jaffe Electronegativity
Not Available 0
Allen Electronegativity
Not Available 0
Electropositivity
0
Pauling Electropositivity
2.70 22
Ionization Energies
0
1st Energy Level
581.00 kJ/mol 62
2nd Energy Level
1,196.00 kJ/mol 61
3rd Energy Level
2,026.00 kJ/mol 72
Electrochemical Equivalent
3.07 g/amp-hr 16
Electron Work Function
Not Available 0
Other Chemical Properties
Ionization, Radioactive Isotopes 0
Mechanical
0
Density
0
Density At Room Temperature
13.51 g/cm3 25
Density When Liquid (at m.p.)
13.85 g/cm3 10
Vapor Pressure
0
Vapor Pressure at 1000 K
Not Available 0
Vapor Pressure at 2000 K
Not Available 0
Tensile Strength
Not Available 0
Viscosity
Not Available 0
Elasticity properties
0
Shear Modulus
Not Available 0
Bulk Modulus
Not Available 0
Young's Modulus
Not Available 0
Poisson Ratio
Not Available 0
Other Mechanical Properties
Unknown 0
Periodic Table
0
Symbol
Cm 0
Group Number
Not Available 0
Period Number
7 1
Block
f block 0
Element Family
Actinide 0
Atomic
0
Atomic Number
96 22
Atomic Weight
247.00 amu 18
Atomic Volume
18.28 cm3/mol 26
Electron Configuration
[Rn] 5f7 6d1 7s2 0
Valence Electron Potential
44.50 (-eV) 38
Atom
0
Number of Protons
96 22
Number of Neutrons
151 10
Number of Electrons
96 22
Crystal Structure
Double Hexagonal Close Packed (DHCP) 0
Crystal Lattice
DHCP-Crystal-Structure-of-Curium.jpg#100 0
Radius of an Atom
0
Atomic Radius
174.00 pm 20
Covalent Radius
169.00 pm 26
Van der Waals Radius
200.00 pm 28
Lattice Constant
Not Available 0
Lattice Angles
NA 0
Lattice C/A Ratio
Not Available 0
Adjacent Atomic Numbers
0
Next Element
86 0
Previous Element
55 0
Magnetic
0
Electrical Properties
0
Resistivity
1.25 nΩ·m 58
Electrical Conductivity
Not Available 0
Electron Affinity
Not Available 0
Electrical Property
Unknown 0
Magnetic Characteristics
0
Specific Gravity
13.51 17
Magnetic Ordering
Antiferromagnetic 0
Permeability
Not Available 0
Susceptibility
Not Available 0
Thermal
0
Specific Heat
Not Available 0
Thermal Conductivity
Not Available 0
Critical Temperature
Not Available 0
Molar Heat Capacity
Not Available 0
Thermal Expansion
Not Available 0
Standard Molar Entropy
Not Available 0
Enthalpy
0
Enthalpy of Vaporization
Not Available 0
Enthalpy of Fusion
15.00 kJ/mol 21
Enthalpy of Atomization
Not Available 0
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Actinide Metals

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Actinide Metals

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