1 Periodic Table
1.1 Symbol
1.2 Group Number
1.5 Period Number
1.3 Block
1.4 Element Family
1.5 CAS Number
744034822537195
7429905
54386242
1.4 Space Group Name
1.5 Space Group Number
2 Facts
2.1 Interesting Facts
Not Available
- It is synthetically produced metal.
- Radiation hazard can be produce by it.
2.2 Sources
Obtained by Treating Radium with Neutrons, Ores of metals
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining
2.3 History
2.3.1 Who Discovered
Friedrich Oskar Giesel
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
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
3.4.2 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
- 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.
5.1.1 Industrial Uses
5.1.2 Medical Uses
5.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
NA
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
5.2.7 In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
7 Physical
7.1 Melting Point
1,227.00 °C1,627.00 °C
27
3410
8.3 Boiling Point
9.3 Appearance
9.3.1 Physical State
9.3.2 Color
9.3.3 Luster
9.4 Hardness
9.4.1 Mohs Hardness
10.1.1 Brinell Hardness
10.1.3 Vickers Hardness
10.3 Speed of Sound
10.4 Optical Properties
10.4.1 Refractive Index
10.6.2 Reflectivity
10.8 Allotropes
10.8.1 α Allotropes
Not Available
Not Available
10.8.2 β Allotropes
Not Available
Not Available
10.8.3 γ Allotropes
Not Available
Not Available
11 Chemical
11.1 Chemical Formula
11.2 Isotopes
11.2.1 Known Isotopes
11.3 Electronegativity
11.3.1 Pauling Electronegativity
11.4.2 Sanderson Electronegativity
12.2.2 Allred Rochow Electronegativity
12.2.3 Mulliken-Jaffe Electronegativity
12.4.2 Allen Electronegativity
12.5 Electropositivity
12.5.1 Pauling Electropositivity
12.7 Ionization Energies
12.7.1 1st Energy Level
499.00 kJ/mol470.00 kJ/mol
375.7
26130
12.7.4 2nd Energy Level
1,170.00 kJ/mol1,428.00 kJ/mol
710.2162
28750
13.1.1 3rd Energy Level
1,900.00 kJ/mol2,228.00 kJ/mol
1600
34230
13.2.3 4th Energy Level
4,700.00 kJ/mol4,910.00 kJ/mol
2780
37066
13.3.2 5th Energy Level
13.5.2 6th Energy Level
13.5.4 7th Energy level
13.5.7 8th Energy Level
13.5.9 9th Energy Level
13.5.10 10th Energy Level
13.5.13 11th Energy Level
13.5.16 12th Energy Level
13.5.18 13th Energy Level
13.5.21 14th Energy Level
13.6.2 15th Energy Level
13.7.3 16th Energy Level
13.7.5 17th Energy Level
13.7.8 18th Energy Level
13.7.10 19th Energy Level
13.7.13 20th Energy Level
13.7.16 21st Energy Level
13.7.17 22nd Energy Level
13.7.20 23rd Energy Level
13.7.22 24th Energy Level
13.7.24 25th Energy Level
13.7.26 26th Energy Level
13.7.29 27th Energy Level
13.7.31 28th Energy Level
13.7.34 29th Energy Level
13.7.36 30th Energy Level
13.8 Electrochemical Equivalent
2.82 g/amp-hr3.23 g/amp-hr
0.16812
8.3209
13.9 Electron Work Function
13.10 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes
14 Atomic
14.1 Atomic Number
14.2 Electron Configuration
[Rn] 6d1 7s2
[Rn] 5f14 7s2 7p1
14.3 Crystal Structure
Face Centered Cubic (FCC)
Hexagonal Close Packed (HCP)
14.3.2 Crystal Lattice
14.4 Atom
14.4.1 Number of Protons
14.4.4 Number of Neutrons
14.4.8 Number of Electrons
14.5 Radius of an Atom
14.5.1 Atomic Radius
14.5.4 Covalent Radius
14.5.7 Van der Waals Radius
14.7 Atomic Weight
227.00 amu266.00 amu
6.94
294
14.9 Atomic Volume
22.54 cm3/molNA
1.39
71.07
15.2 Adjacent Atomic Numbers
15.2.1 Previous Element
15.2.2 Next Element
15.3 Valence Electron Potential
15.4 Lattice Constant
567.00 pmNA
228.58
891.25
15.8 Lattice Angles
15.9 Lattice C/A Ratio
16 Mechanical
16.1 Density
16.1.1 Density At Room Temperature
16.2.1 Density When Liquid (at m.p.)
16.5 Tensile Strength
16.6 Viscosity
17.2 Vapor Pressure
17.2.1 Vapor Pressure at 1000 K
17.2.3 Vapor Pressure at 2000 K
17.7 Elasticity properties
17.7.1 Shear Modulus
17.8.2 Bulk Modulus
17.8.4 Young's Modulus
17.11 Poisson Ratio
17.13 Other Mechanical Properties
18 Magnetic
18.1 Magnetic Characteristics
18.1.1 Specific Gravity
18.2.2 Magnetic Ordering
18.2.4 Permeability
18.4.1 Susceptibility
19.2 Electrical Properties
19.2.1 Electrical Property
19.2.2 Resistivity
19.2.4 Electrical Conductivity
19.4.1 Electron Affinity
20 Thermal
20.1 Specific Heat
20.5 Molar Heat Capacity
27.20 J/mol·KNA
16.443
62.7
21.2 Thermal Conductivity
21.4 Critical Temperature
21.6 Thermal Expansion
21.9 Enthalpy
21.9.1 Enthalpy of Vaporization
21.10.1 Enthalpy of Fusion
22.1.2 Enthalpy of Atomization
22.2 Standard Molar Entropy
56.50 J/mol.KNA
9.5
198.1