1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.9 Block
1.10 Element Family
Transition Metal
Lanthanide
1.12 CAS Number
540388127439910
7429905
54386242
1.18 Space Group Name
1.19 Space Group Number
4 Facts
4.1 Interesting Facts
- Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
- And other isotopes of Seaborgium have half-lives as short as 3 ms.
- Lanthanum metal is highly malleable, ductile and sectile.
- If exposed to air Lanthanum metal oxidizes rapidly.
4.2 Sources
Synthetically Produced
Found in Minerals, Mining, Ores of Minerals
4.3 History
4.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Carl Gustaf Mosander
4.3.2 Discovery
4.4 Abundance
4.4.1 Abundance In Universe
4.5.4 Abundance In Sun
~-9999 %~0.0000002 %
1E-08
0.1
4.8.2 Abundance In Meteorites
5.3.2 Abundance In Earth's Crust
5.4.3 Abundance In Oceans
6.3.2 Abundance In Humans
8 Uses
8.1 Uses & Benefits
- Currently known uses of Seaborgium metal are limited to research purpose only.
- It has no commercial uses, but its alloys are in high demand. Lanthanum and Nickel alloy is used for the hydrogen gas storage.
- The best-known use for mischmetal alloy of Lanthanum is; as a ‘flints’ for cigarette lighters.
8.1.1 Industrial Uses
NA
Electrical Industry, Electronic Industry
8.1.2 Medical Uses
8.1.3 Other Uses
Research Purposes
Alloys, Mirror Manufacturing
8.2 Biological Properties
8.2.1 Toxicity
8.2.2 Present in Human Body
8.2.3 In Blood
8.4.3 In Bone
9 Physical
9.1 Melting Point
11.3 Boiling Point
11.6 Appearance
11.6.1 Physical State
11.6.2 Color
11.6.4 Luster
11.7 Hardness
11.7.1 Mohs Hardness
11.7.3 Brinell Hardness
11.10.2 Vickers Hardness
11.11 Speed of Sound
11.13 Optical Properties
11.13.1 Refractive Index
11.14.1 Reflectivity
11.15 Allotropes
11.15.2 α Allotropes
Not Available
Not Available
11.15.3 β Allotropes
Not Available
Not Available
11.15.4 γ Allotropes
Not Available
Not Available
12 Chemical
12.1 Chemical Formula
12.2 Isotopes
12.2.1 Known Isotopes
13.3 Electronegativity
13.3.1 Pauling Electronegativity
13.4.3 Sanderson Electronegativity
13.6.2 Allred Rochow Electronegativity
13.7.2 Mulliken-Jaffe Electronegativity
13.8.4 Allen Electronegativity
14.3 Electropositivity
14.3.1 Pauling Electropositivity
14.4 Ionization Energies
14.4.1 1st Energy Level
757.40 kJ/mol538.10 kJ/mol
375.7
26130
14.4.3 2nd Energy Level
1,732.90 kJ/mol1,067.00 kJ/mol
710.2162
28750
14.5.3 3rd Energy Level
2,483.50 kJ/mol1,850.30 kJ/mol
1600
34230
14.5.5 4th Energy Level
3,415.60 kJ/mol4,819.00 kJ/mol
2780
37066
14.6.1 5th Energy Level
4,561.80 kJ/mol5,940.00 kJ/mol
4305.2
97510
15.1.2 6th Energy Level
5,715.80 kJ/molNA
5715.8
105800
15.1.4 7th Energy level
15.2.1 8th Energy Level
15.2.4 9th Energy Level
15.3.3 10th Energy Level
15.3.4 11th Energy Level
15.5.2 12th Energy Level
15.6.1 13th Energy Level
15.7.2 14th Energy Level
15.7.5 15th Energy Level
15.8.3 16th Energy Level
15.8.6 17th Energy Level
15.8.9 18th Energy Level
15.8.11 19th Energy Level
15.8.14 20th Energy Level
15.8.17 21st Energy Level
15.8.18 22nd Energy Level
15.8.21 23rd Energy Level
15.9.1 24th Energy Level
15.9.4 25th Energy Level
15.9.6 26th Energy Level
15.9.8 27th Energy Level
15.9.10 28th Energy Level
15.9.12 29th Energy Level
15.9.15 30th Energy Level
15.10 Electrochemical Equivalent
NA1.73 g/amp-hr
0.16812
8.3209
15.11 Electron Work Function
15.12 Other Chemical Properties
NA
Ionization, Radioactive Isotopes, Solubility
16 Atomic
16.1 Atomic Number
16.2 Electron Configuration
[Rn] 5f14 6d2 7s2
[Xe] 5d2 6s2
16.3 Crystal Structure
Body Centered Cubic (BCC)
Double Hexagonal Close Packed (DHCP)
16.3.1 Crystal Lattice
16.4 Atom
16.4.1 Number of Protons
16.4.4 Number of Neutrons
16.5.1 Number of Electrons
16.6 Radius of an Atom
16.6.1 Atomic Radius
132.00 pm187.00 pm
112
265
16.7.1 Covalent Radius
143.00 pm207.00 pm
96
260
17.1.1 Van der Waals Radius
17.2 Atomic Weight
269.00 amu138.91 amu
6.94
294
17.6 Atomic Volume
NA20.73 cm3/mol
1.39
71.07
17.7 Adjacent Atomic Numbers
17.7.1 Previous Element
17.7.2 Next Element
17.8 Valence Electron Potential
17.9 Lattice Constant
NA377.20 pm
228.58
891.25
17.10 Lattice Angles
17.12 Lattice C/A Ratio
18 Mechanical
18.1 Density
18.1.1 Density At Room Temperature
35.00 g/cm36.16 g/cm3
0.534
40.7
18.1.4 Density When Liquid (at m.p.)
18.3 Tensile Strength
18.4 Viscosity
18.6 Vapor Pressure
18.6.1 Vapor Pressure at 1000 K
18.6.3 Vapor Pressure at 2000 K
18.7 Elasticity properties
18.7.1 Shear Modulus
18.9.2 Bulk Modulus
18.9.4 Young's Modulus
18.11 Poisson Ratio
18.12 Other Mechanical Properties
19 Magnetic
19.1 Magnetic Characteristics
19.1.1 Specific Gravity
19.3.1 Magnetic Ordering
19.3.2 Permeability
20.1.2 Susceptibility
20.2 Electrical Properties
20.2.1 Electrical Property
20.2.2 Resistivity
20.3.2 Electrical Conductivity
NA0.01 106/cm Ω
0.00666
0.63
20.5.1 Electron Affinity
22 Thermal
22.1 Specific Heat
22.5 Molar Heat Capacity
NA27.11 J/mol·K
16.443
62.7
22.6 Thermal Conductivity
22.8 Critical Temperature
22.10 Thermal Expansion
22.11 Enthalpy
22.11.1 Enthalpy of Vaporization
NA399.60 kJ/mol
7.32
799.1
22.13.1 Enthalpy of Fusion
23.2.1 Enthalpy of Atomization
23.5 Standard Molar Entropy
NA56.90 J/mol.K
9.5
198.1