1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.3 Block
1.4 Element Family
1.5 CAS Number
74405197440406
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- Curium metal does not occur free in nature.
- Curium metal is a synthetically produced metal.
- X-ray Diffraction- different compounds of Berkelium metals are identified using it.
Commercial uses of Berkelium metal are not yet discovered.
2.2 Sources
Bombarding Plutonium with Helium Ions
Bombarding Americium with Alpha Particles.
2.3 History
2.3.1 Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Lawrence Berkeley National Laboratory
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.9.1 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
2.11.1 Abundance In Meteorites
4.4.2 Abundance In Earth's Crust
4.4.5 Abundance In Oceans
4.4.8 Abundance In Humans
5 Uses
5.1 Uses & Benefits
- Curium metal is used to provide power to electrical equipment for space missions.
- This metal is very rare and has no commercial uses.
5.1.1 Industrial Uses
5.1.2 Medical Uses
5.1.3 Other Uses
5.2 Biological Properties
5.2.1 Toxicity
5.2.2 Present in Human Body
5.2.3 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
5.2.6 In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
6 Physical
6.1 Melting Point
1,340.00 °C986.00 °C
27
3410
7.3 Boiling Point
3,110.00 °C2,627.00 °C
147
5660
8.3 Appearance
8.3.1 Physical State
8.3.2 Color
8.3.3 Luster
8.4 Hardness
8.4.1 Mohs Hardness
9.1.2 Brinell Hardness
10.2.1 Vickers Hardness
10.5 Speed of Sound
10.7 Optical Properties
10.7.1 Refractive Index
10.9.2 Reflectivity
10.10 Allotropes
10.10.1 α Allotropes
Not Available
Not Available
10.10.2 β Allotropes
Not Available
Not Available
10.10.3 γ Allotropes
Not Available
Not Available
11 Chemical
11.1 Chemical Formula
11.2 Isotopes
11.2.1 Known Isotopes
11.4 Electronegativity
11.4.1 Pauling Electronegativity
11.5.3 Sanderson Electronegativity
12.1.1 Allred Rochow Electronegativity
12.3.1 Mulliken-Jaffe Electronegativity
12.5.2 Allen Electronegativity
12.6 Electropositivity
12.6.1 Pauling Electropositivity
13.3 Ionization Energies
13.3.1 1st Energy Level
581.00 kJ/mol601.00 kJ/mol
375.7
26130
13.3.4 2nd Energy Level
1,196.00 kJ/mol1,186.00 kJ/mol
710.2162
28750
13.4.2 3rd Energy Level
2,026.00 kJ/mol2,152.00 kJ/mol
1600
34230
13.4.5 4th Energy Level
3,550.00 kJ/mol3,434.00 kJ/mol
2780
37066
13.5.3 5th Energy Level
13.6.2 6th Energy Level
13.6.5 7th Energy level
13.6.8 8th Energy Level
13.6.9 9th Energy Level
13.7.2 10th Energy Level
13.8.2 11th Energy Level
13.8.8 12th Energy Level
13.8.11 13th Energy Level
13.8.14 14th Energy Level
13.8.17 15th Energy Level
13.8.19 16th Energy Level
13.8.22 17th Energy Level
13.8.25 18th Energy Level
13.8.27 19th Energy Level
13.8.30 20th Energy Level
13.8.32 21st Energy Level
13.8.35 22nd Energy Level
13.8.36 23rd Energy Level
13.8.39 24th Energy Level
13.8.41 25th Energy Level
13.8.44 26th Energy Level
13.8.46 27th Energy Level
13.8.49 28th Energy Level
13.8.51 29th Energy Level
13.8.54 30th Energy Level
13.9 Electrochemical Equivalent
3.07 g/amp-hr3.07 g/amp-hr
0.16812
8.3209
13.10 Electron Work Function
13.11 Other Chemical Properties
Ionization, Radioactive Isotopes
Ionization, Radioactive Isotopes, Radioactivity
14 Atomic
14.1 Atomic Number
14.2 Electron Configuration
[Rn] 5f7 6d1 7s2
[Rn] 5f9 7s2
14.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Double Hexagonal Close Packed (DHCP)
14.3.1 Crystal Lattice
14.4 Atom
14.4.1 Number of Protons
1.3.2 Number of Neutrons
2.1.1 Number of Electrons
2.8 Radius of an Atom
2.8.1 Atomic Radius
174.00 pm170.00 pm
112
265
2.9.3 Covalent Radius
2.11.3 Van der Waals Radius
3.3 Atomic Weight
247.00 amu247.00 amu
6.94
294
3.6 Atomic Volume
18.28 cm3/molNA
1.39
71.07
3.8 Adjacent Atomic Numbers
3.8.1 Previous Element
3.8.2 Next Element
3.9 Valence Electron Potential
44.50 (-eV)45.50 (-eV)
8
392.42
3.11 Lattice Constant
NA341.60 pm
228.58
891.25
3.14 Lattice Angles
3.15 Lattice C/A Ratio
4 Mechanical
4.1 Density
4.1.1 Density At Room Temperature
13.51 g/cm314.78 g/cm3
0.534
40.7
5.2.1 Density When Liquid (at m.p.)
13.85 g/cm313.25 g/cm3
0.512
20
6.8 Tensile Strength
6.9 Viscosity
7.2 Vapor Pressure
7.2.1 Vapor Pressure at 1000 K
7.5.1 Vapor Pressure at 2000 K
8.2 Elasticity properties
8.2.1 Shear Modulus
8.5.3 Bulk Modulus
8.5.6 Young's Modulus
8.9 Poisson Ratio
8.12 Other Mechanical Properties
9 Magnetic
9.2 Magnetic Characteristics
9.2.2 Specific Gravity
9.2.4 Magnetic Ordering
Antiferromagnetic
Paramagnetic
9.2.5 Permeability
10.2.2 Susceptibility
10.3 Electrical Properties
10.3.1 Electrical Property
10.3.2 Resistivity
10.7.2 Electrical Conductivity
10.8.2 Electron Affinity
12 Thermal
12.1 Specific Heat
12.2 Molar Heat Capacity
12.4 Thermal Conductivity
12.7 Critical Temperature
12.10 Thermal Expansion
13.3 Enthalpy
13.3.1 Enthalpy of Vaporization
13.3.6 Enthalpy of Fusion
13.5.2 Enthalpy of Atomization
13.6 Standard Molar Entropy