1 Periodic Table
1.1 Symbol
1.2 Group Number
1.7 Period Number
1.9 Block
1.10 Element Family
Transition Metal
Lanthanide
1.11 CAS Number
540842637439910
7429905
54386242
1.14 Space Group Name
1.15 Space Group Number
3 Facts
3.1 Interesting Facts
Not Available
- Lanthanum metal is highly malleable, ductile and sectile.
- If exposed to air Lanthanum metal oxidizes rapidly.
3.2 Sources
Synthetically Produced
Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Gesellschaft für Schwerionenforschung
Carl Gustaf Mosander
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.3 Abundance In Sun
~-9999 %~0.0000002 %
1E-08
0.1
5.1.1 Abundance In Meteorites
5.3.1 Abundance In Earth's Crust
1.6.1 Abundance In Oceans
1.9.1 Abundance In Humans
2 Uses
2.1 Uses & Benefits
- Currently known uses of Copernicium 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.
2.1.1 Industrial Uses
NA
Electrical Industry, Electronic Industry
2.1.2 Medical Uses
2.1.3 Other Uses
Research Purposes
Alloys, Mirror Manufacturing
2.2 Biological Properties
2.2.1 Toxicity
2.2.2 Present in Human Body
2.2.3 In Blood
2.7.4 In Bone
3 Physical
3.1 Melting Point
4.5 Boiling Point
4.9 Appearance
4.9.1 Physical State
4.9.2 Color
4.9.3 Luster
4.10 Hardness
4.10.1 Mohs Hardness
6.4.1 Brinell Hardness
6.6.4 Vickers Hardness
7.7 Speed of Sound
8.3 Optical Properties
8.3.1 Refractive Index
8.3.4 Reflectivity
9.2 Allotropes
9.2.1 α Allotropes
Not Available
Not Available
9.2.2 β Allotropes
Not Available
Not Available
9.2.3 γ Allotropes
Not Available
Not Available
10 Chemical
10.1 Chemical Formula
10.2 Isotopes
10.2.1 Known Isotopes
10.7 Electronegativity
10.7.1 Pauling Electronegativity
10.13.1 Sanderson Electronegativity
11.3.5 Allred Rochow Electronegativity
12.1.3 Mulliken-Jaffe Electronegativity
12.3.6 Allen Electronegativity
12.5 Electropositivity
12.5.1 Pauling Electropositivity
13.3 Ionization Energies
13.3.1 1st Energy Level
1,154.90 kJ/mol538.10 kJ/mol
375.7
26130
13.4.1 2nd Energy Level
2,170.00 kJ/mol1,067.00 kJ/mol
710.2162
28750
14.2.4 3rd Energy Level
4,245.40 kJ/mol1,850.30 kJ/mol
1600
34230
14.5.2 4th Energy Level
5,499.70 kJ/mol4,819.00 kJ/mol
2780
37066
14.6.5 5th Energy Level
NA5,940.00 kJ/mol
4305.2
97510
14.7.4 6th Energy Level
14.7.10 7th Energy level
14.7.15 8th Energy Level
14.7.20 9th Energy Level
14.9.3 10th Energy Level
14.10.4 11th Energy Level
14.11.5 12th Energy Level
15.2.2 13th Energy Level
15.3.1 14th Energy Level
15.4.2 15th Energy Level
15.5.2 16th Energy Level
15.5.7 17th Energy Level
15.5.11 18th Energy Level
15.5.15 19th Energy Level
15.5.21 20th Energy Level
15.5.25 21st Energy Level
15.6.4 22nd Energy Level
15.7.3 23rd Energy Level
15.7.8 24th Energy Level
15.7.13 25th Energy Level
15.7.18 26th Energy Level
15.7.22 27th Energy Level
15.8.2 28th Energy Level
15.8.6 29th Energy Level
15.9.2 30th Energy Level
15.10 Electrochemical Equivalent
NA1.73 g/amp-hr
0.16812
8.3209
16.2 Electron Work Function
16.6 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Solubility
17 Atomic
17.1 Atomic Number
17.3 Electron Configuration
[Rn] 5f14 6d10 7s2
[Xe] 5d2 6s2
17.4 Crystal Structure
Hexagonal Close Packed (HCP)
Double Hexagonal Close Packed (DHCP)
17.4.1 Crystal Lattice
17.5 Atom
17.5.1 Number of Protons
17.6.3 Number of Neutrons
18.2.4 Number of Electrons
18.6 Radius of an Atom
18.6.1 Atomic Radius
147.00 pm187.00 pm
112
265
18.6.6 Covalent Radius
122.00 pm207.00 pm
96
260
18.9.2 Van der Waals Radius
18.11 Atomic Weight
285.00 amu138.91 amu
6.94
294
19.2 Atomic Volume
NA20.73 cm3/mol
1.39
71.07
19.9 Adjacent Atomic Numbers
19.9.1 Previous Element
19.9.2 Next Element
19.10 Valence Electron Potential
21.2 Lattice Constant
NA377.20 pm
228.58
891.25
21.3 Lattice Angles
21.4 Lattice C/A Ratio
22 Mechanical
22.1 Density
22.1.1 Density At Room Temperature
23.70 g/cm36.16 g/cm3
0.534
40.7
22.4.3 Density When Liquid (at m.p.)
22.8 Tensile Strength
22.9 Viscosity
22.12 Vapor Pressure
22.12.1 Vapor Pressure at 1000 K
22.15.3 Vapor Pressure at 2000 K
23.2 Elasticity properties
23.2.1 Shear Modulus
23.3.3 Bulk Modulus
24.2.2 Young's Modulus
25.2 Poisson Ratio
25.5 Other Mechanical Properties
26 Magnetic
26.1 Magnetic Characteristics
26.1.1 Specific Gravity
26.1.4 Magnetic Ordering
26.1.5 Permeability
26.2.3 Susceptibility
26.4 Electrical Properties
26.4.1 Electrical Property
26.4.2 Resistivity
27.2.1 Electrical Conductivity
NA0.01 106/cm Ω
0.00666
0.63
27.5.2 Electron Affinity
29 Thermal
29.1 Specific Heat
29.6 Molar Heat Capacity
NA27.11 J/mol·K
16.443
62.7
30.5 Thermal Conductivity
30.8 Critical Temperature
30.13 Thermal Expansion
30.18 Enthalpy
30.18.1 Enthalpy of Vaporization
NA399.60 kJ/mol
7.32
799.1
30.20.1 Enthalpy of Fusion
31.1.2 Enthalpy of Atomization
31.2 Standard Molar Entropy
NA56.90 J/mol.K
9.5
198.1