1 Periodic Table
1.1 Symbol
1.2 Group Number
1.4 Period Number
1.7 Block
1.8 Element Family
Actinide
Transition Metal
1.9 CAS Number
744071353850354
7429905
54386242
1.10 Space Group Name
1.11 Space Group Number
2 Facts
2.1 Interesting Facts
- Californium metal is very harmful and highly radioactive.
- Californium metal is the heaviest metal.
- IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
- In the production of Dubnium, thermal gradient chromatography is used.
2.2 Sources
Made by Bombarding Curium with Helium Ions
Produced by Bombarding Am243 with Ne22, Synthetically Produced
2.3 History
2.3.2 Who Discovered
Lawrence Berkeley National Laboratory
Joint Institute for Nuclear Research
2.3.3 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.2 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
2.6.2 Abundance In Meteorites
2.8.3 Abundance In Earth's Crust
3.2.2 Abundance In Oceans
3.2.4 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- 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.
- Currently known uses of Dubnium metal are limited to research purpose only.
4.1.1 Industrial Uses
4.1.2 Medical Uses
4.1.3 Other Uses
Alloys, Nuclear Research
Research Purposes
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
4.2.6 In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
5 Physical
5.1 Melting Point
5.2 Boiling Point
5.3 Appearance
5.3.1 Physical State
5.3.2 Color
5.3.3 Luster
5.4 Hardness
5.4.1 Mohs Hardness
5.5.3 Brinell Hardness
5.6.4 Vickers Hardness
5.7 Speed of Sound
5.8 Optical Properties
5.8.1 Refractive Index
5.8.3 Reflectivity
5.9 Allotropes
5.9.1 α Allotropes
Not Available
Not Available
5.9.2 β Allotropes
Not Available
Not Available
5.9.3 γ Allotropes
Not Available
Not Available
6 Chemical
6.1 Chemical Formula
6.2 Isotopes
6.2.1 Known Isotopes
6.3 Electronegativity
6.3.1 Pauling Electronegativity
6.3.3 Sanderson Electronegativity
6.3.7 Allred Rochow Electronegativity
6.3.10 Mulliken-Jaffe Electronegativity
6.3.13 Allen Electronegativity
6.4 Electropositivity
6.4.1 Pauling Electropositivity
6.5 Ionization Energies
6.5.1 1st Energy Level
608.00 kJ/mol664.80 kJ/mol
375.7
26130
6.5.4 2nd Energy Level
1,206.00 kJ/mol1,546.70 kJ/mol
710.2162
28750
6.5.7 3rd Energy Level
2,267.00 kJ/mol2,378.40 kJ/mol
1600
34230
6.5.9 4th Energy Level
3,599.00 kJ/mol3,298.80 kJ/mol
2780
37066
6.5.13 5th Energy Level
NA4,305.20 kJ/mol
4305.2
97510
6.5.15 6th Energy Level
6.5.18 7th Energy level
6.5.22 8th Energy Level
6.5.25 9th Energy Level
6.6.1 10th Energy Level
6.6.3 11th Energy Level
6.7.2 12th Energy Level
7.1.2 13th Energy Level
7.1.5 14th Energy Level
7.4.3 15th Energy Level
7.4.6 16th Energy Level
7.4.8 17th Energy Level
7.5.1 18th Energy Level
7.5.2 19th Energy Level
7.7.1 20th Energy Level
7.7.3 21st Energy Level
8.1.1 22nd Energy Level
8.1.3 23rd Energy Level
8.5.1 24th Energy Level
8.5.2 25th Energy Level
8.6.1 26th Energy Level
8.6.2 27th Energy Level
8.6.4 28th Energy Level
8.8.1 29th Energy Level
8.9.2 30th Energy Level
8.11 Electrochemical Equivalent
3.12 g/amp-hrNA
0.16812
8.3209
8.14 Electron Work Function
9.3 Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Radioactivity
10 Atomic
10.1 Atomic Number
1.4 Electron Configuration
[Rn] 5f10 7s2
[Rn] 5f14 6d3 7s2
1.5 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Body Centered Cubic (BCC)
1.5.1 Crystal Lattice
1.6 Atom
1.6.1 Number of Protons
1.10.1 Number of Neutrons
1.15.1 Number of Electrons
1.21 Radius of an Atom
1.21.1 Atomic Radius
186.00 pm139.00 pm
112
265
3.5.2 Covalent Radius
3.5.6 Van der Waals Radius
3.7 Atomic Weight
251.00 amu268.00 amu
6.94
294
3.10 Atomic Volume
4.3 Adjacent Atomic Numbers
4.3.1 Previous Element
4.3.2 Next Element
4.4 Valence Electron Potential
5.3 Lattice Constant
338.00 pmNA
228.58
891.25
5.4 Lattice Angles
5.5 Lattice C/A Ratio
6 Mechanical
6.1 Density
6.1.1 Density At Room Temperature
15.10 g/cm329.30 g/cm3
0.534
40.7
7.3.2 Density When Liquid (at m.p.)
8.4 Tensile Strength
8.5 Viscosity
8.6 Vapor Pressure
8.6.1 Vapor Pressure at 1000 K
9.1.2 Vapor Pressure at 2000 K
9.4 Elasticity properties
9.4.1 Shear Modulus
9.6.1 Bulk Modulus
9.7.4 Young's Modulus
11.2 Poisson Ratio
11.6 Other Mechanical Properties
Malleable, Sectile
Unknown
12 Magnetic
12.1 Magnetic Characteristics
12.1.1 Specific Gravity
12.3.1 Magnetic Ordering
12.3.2 Permeability
12.3.4 Susceptibility
12.5 Electrical Properties
12.5.1 Electrical Property
12.5.2 Resistivity
12.6.3 Electrical Conductivity
12.7.3 Electron Affinity
13 Thermal
13.1 Specific Heat
13.3 Molar Heat Capacity
13.4 Thermal Conductivity
13.6 Critical Temperature
13.7 Thermal Expansion
13.8 Enthalpy
13.8.1 Enthalpy of Vaporization
13.8.3 Enthalpy of Fusion
13.8.5 Enthalpy of Atomization
13.9 Standard Molar Entropy