1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
1.6 CAS Number
74404067440713
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- X-ray Diffraction- different compounds of Berkelium metals are identified using it.
Commercial uses of Berkelium metal are not yet discovered.
- Californium metal is very harmful and highly radioactive.
- Californium metal is the heaviest metal.
2.2 Sources
Bombarding Americium with Alpha Particles.
Made by Bombarding Curium with Helium Ions
2.3 History
2.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Lawrence Berkeley National Laboratory
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.2 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
2.4.3 Abundance In Meteorites
2.4.4 Abundance In Earth's Crust
2.4.5 Abundance In Oceans
2.4.6 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- This metal is very rare and has no commercial uses.
- Californium metal has a very strong neutron emitter. It is used as a metal detector.
-
It also used as an identifier to check Water and oil layers in oil wells.
3.1.1 Industrial Uses
3.1.2 Medical Uses
3.1.3 Other Uses
NA
Alloys, Nuclear Research
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
3.2.4 In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
4 Physical
4.1 Melting Point
986.00 °C900.00 °C
27
3410
4.2 Boiling Point
2,627.00 °C1,470.00 °C
147
5660
4.3 Appearance
4.3.1 Physical State
4.3.2 Color
4.3.3 Luster
4.4 Hardness
4.4.1 Mohs Hardness
4.4.2 Brinell Hardness
4.4.3 Vickers Hardness
4.5 Speed of Sound
1.3 Optical Properties
1.3.1 Refractive Index
1.4.1 Reflectivity
1.5 Allotropes
1.5.1 α Allotropes
Not Available
Not Available
1.5.2 β Allotropes
Not Available
Not Available
1.5.3 γ Allotropes
Not Available
Not Available
2 Chemical
2.1 Chemical Formula
2.2 Isotopes
2.2.1 Known Isotopes
2.6 Electronegativity
2.6.1 Pauling Electronegativity
2.8.1 Sanderson Electronegativity
3.4.2 Allred Rochow Electronegativity
3.4.4 Mulliken-Jaffe Electronegativity
3.4.6 Allen Electronegativity
3.5 Electropositivity
3.5.1 Pauling Electropositivity
3.6 Ionization Energies
3.6.1 1st Energy Level
601.00 kJ/mol608.00 kJ/mol
375.7
26130
3.6.2 2nd Energy Level
1,186.00 kJ/mol1,206.00 kJ/mol
710.2162
28750
3.6.4 3rd Energy Level
2,152.00 kJ/mol2,267.00 kJ/mol
1600
34230
4.2.4 4th Energy Level
3,434.00 kJ/mol3,599.00 kJ/mol
2780
37066
4.2.6 5th Energy Level
4.2.7 6th Energy Level
5.1.1 7th Energy level
5.2.1 8th Energy Level
5.2.2 9th Energy Level
5.4.2 10th Energy Level
5.4.4 11th Energy Level
5.4.6 12th Energy Level
5.5.1 13th Energy Level
5.5.2 14th Energy Level
5.6.3 15th Energy Level
6.2.2 16th Energy Level
6.2.3 17th Energy Level
6.3.2 18th Energy Level
6.3.3 19th Energy Level
6.3.5 20th Energy Level
6.3.6 21st Energy Level
6.3.8 22nd Energy Level
6.3.10 23rd Energy Level
6.3.11 24th Energy Level
6.3.13 25th Energy Level
6.3.14 26th Energy Level
6.4.2 27th Energy Level
6.5.2 28th Energy Level
6.5.3 29th Energy Level
6.5.5 30th Energy Level
6.6 Electrochemical Equivalent
3.07 g/amp-hr3.12 g/amp-hr
0.16812
8.3209
6.7 Electron Work Function
6.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
7 Atomic
7.1 Atomic Number
7.2 Electron Configuration
[Rn] 5f9 7s2
[Rn] 5f10 7s2
7.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Double Hexagonal Close Packed (DHCP)
7.3.1 Crystal Lattice
7.4 Atom
7.4.1 Number of Protons
7.4.3 Number of Neutrons
7.4.6 Number of Electrons
7.5 Radius of an Atom
7.5.1 Atomic Radius
170.00 pm186.00 pm
112
265
7.5.3 Covalent Radius
7.5.5 Van der Waals Radius
7.6 Atomic Weight
247.00 amu251.00 amu
6.94
294
7.7 Atomic Volume
7.8 Adjacent Atomic Numbers
7.8.1 Previous Element
7.8.2 Next Element
7.9 Valence Electron Potential
45.50 (-eV)44.50 (-eV)
8
392.42
7.10 Lattice Constant
341.60 pm338.00 pm
228.58
891.25
7.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
7.12 Lattice C/A Ratio
8 Mechanical
8.1 Density
8.1.1 Density At Room Temperature
14.78 g/cm315.10 g/cm3
0.534
40.7
8.1.4 Density When Liquid (at m.p.)
8.2 Tensile Strength
8.3 Viscosity
8.4 Vapor Pressure
8.4.1 Vapor Pressure at 1000 K
8.4.4 Vapor Pressure at 2000 K
8.5 Elasticity properties
8.5.1 Shear Modulus
8.5.3 Bulk Modulus
8.5.6 Young's Modulus
8.6 Poisson Ratio
8.8 Other Mechanical Properties
9 Magnetic
9.1 Magnetic Characteristics
9.1.1 Specific Gravity
9.2.1 Magnetic Ordering
Paramagnetic
Paramagnetic
9.2.2 Permeability
9.2.3 Susceptibility
10.2 Electrical Properties
10.2.1 Electrical Property
10.2.2 Resistivity
10.5.2 Electrical Conductivity
10.5.4 Electron Affinity
11 Thermal
11.1 Specific Heat
11.2 Molar Heat Capacity
11.3 Thermal Conductivity
11.5 Critical Temperature
11.6 Thermal Expansion
11.7 Enthalpy
11.7.1 Enthalpy of Vaporization
11.8.1 Enthalpy of Fusion
11.9.1 Enthalpy of Atomization
11.12 Standard Molar Entropy