1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
2.2 Block
2.3 Element Family
2.4 CAS Number
744034822537195
7429905
54386242
2.5 Space Group Name
2.6 Space Group Number
3 Facts
3.1 Interesting Facts
Not Available
- It is synthetically produced metal.
- Radiation hazard can be produce by it.
3.2 Sources
Obtained by Treating Radium with Neutrons, Ores of metals
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining
3.3 History
3.3.1 Who Discovered
Friedrich Oskar Giesel
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.6.2 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
3.6.4 Abundance In Meteorites
3.6.6 Abundance In Earth's Crust
3.7.1 Abundance In Oceans
3.8.2 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
- Currently known uses of Lawrencium 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
NA
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
5.2.2 In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
6 Physical
6.1 Melting Point
1,227.00 °C1,627.00 °C
27
3410
6.2 Boiling Point
6.3 Appearance
6.3.1 Physical State
6.3.2 Color
6.3.3 Luster
6.4 Hardness
6.4.1 Mohs Hardness
6.4.3 Brinell Hardness
6.4.5 Vickers Hardness
6.6 Speed of Sound
6.8 Optical Properties
6.8.1 Refractive Index
6.8.2 Reflectivity
6.9 Allotropes
6.9.1 α Allotropes
Not Available
Not Available
6.9.2 β Allotropes
Not Available
Not Available
6.9.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.3 Electronegativity
7.3.1 Pauling Electronegativity
7.3.3 Sanderson Electronegativity
7.3.5 Allred Rochow Electronegativity
7.3.7 Mulliken-Jaffe Electronegativity
7.3.9 Allen Electronegativity
7.4 Electropositivity
7.4.1 Pauling Electropositivity
7.5 Ionization Energies
7.5.1 1st Energy Level
499.00 kJ/mol470.00 kJ/mol
375.7
26130
7.5.3 2nd Energy Level
1,170.00 kJ/mol1,428.00 kJ/mol
710.2162
28750
7.5.5 3rd Energy Level
1,900.00 kJ/mol2,228.00 kJ/mol
1600
34230
7.5.7 4th Energy Level
4,700.00 kJ/mol4,910.00 kJ/mol
2780
37066
7.5.9 5th Energy Level
7.5.11 6th Energy Level
7.5.13 7th Energy level
7.5.15 8th Energy Level
7.5.17 9th Energy Level
7.5.18 10th Energy Level
7.5.20 11th Energy Level
7.5.23 12th Energy Level
7.5.25 13th Energy Level
7.5.27 14th Energy Level
7.5.30 15th Energy Level
7.5.32 16th Energy Level
7.5.34 17th Energy Level
7.5.36 18th Energy Level
7.5.39 19th Energy Level
7.6.1 20th Energy Level
7.6.2 21st Energy Level
7.7.1 22nd Energy Level
7.7.2 23rd Energy Level
8.1.1 24th Energy Level
8.4.2 25th Energy Level
8.4.3 26th Energy Level
8.4.5 27th Energy Level
8.4.6 28th Energy Level
8.4.8 29th Energy Level
8.4.9 30th Energy Level
8.6 Electrochemical Equivalent
2.82 g/amp-hr3.23 g/amp-hr
0.16812
8.3209
8.7 Electron Work Function
8.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes
9 Atomic
9.1 Atomic Number
9.4 Electron Configuration
[Rn] 6d1 7s2
[Rn] 5f14 7s2 7p1
9.5 Crystal Structure
Face Centered Cubic (FCC)
Hexagonal Close Packed (HCP)
9.5.1 Crystal Lattice
9.6 Atom
9.6.1 Number of Protons
9.8.1 Number of Neutrons
9.9.1 Number of Electrons
9.12 Radius of an Atom
9.12.1 Atomic Radius
10.1.2 Covalent Radius
10.1.4 Van der Waals Radius
10.3 Atomic Weight
227.00 amu266.00 amu
6.94
294
10.5 Atomic Volume
22.54 cm3/molNA
1.39
71.07
10.7 Adjacent Atomic Numbers
10.7.1 Previous Element
10.7.2 Next Element
10.8 Valence Electron Potential
10.10 Lattice Constant
567.00 pmNA
228.58
891.25
10.11 Lattice Angles
10.12 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
11.1.3 Density When Liquid (at m.p.)
11.3 Tensile Strength
12.2 Viscosity
12.3 Vapor Pressure
12.3.1 Vapor Pressure at 1000 K
12.3.4 Vapor Pressure at 2000 K
12.4 Elasticity properties
12.4.1 Shear Modulus
12.5.3 Bulk Modulus
12.5.5 Young's Modulus
12.6 Poisson Ratio
13.2 Other Mechanical Properties
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
14.2.1 Magnetic Ordering
14.2.2 Permeability
14.3.1 Susceptibility
14.5 Electrical Properties
14.5.1 Electrical Property
14.5.2 Resistivity
14.6.1 Electrical Conductivity
14.7.2 Electron Affinity
15 Thermal
15.1 Specific Heat
15.2 Molar Heat Capacity
27.20 J/mol·KNA
16.443
62.7
15.3 Thermal Conductivity
15.5 Critical Temperature
15.6 Thermal Expansion
15.7 Enthalpy
15.7.1 Enthalpy of Vaporization
15.7.2 Enthalpy of Fusion
15.7.3 Enthalpy of Atomization
15.8 Standard Molar Entropy
56.50 J/mol.KNA
9.5
198.1