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Lanthanum Moscovium Comparison


Moscovium Lanthanum comparison


Periodic Table

Symbol
La   
Mc   

Group Number
Not Available   
15   
3

Period Number
6   
7   

Block
f block   
p block   

Element Family
Lanthanide   
Probably Post-​Transition   

CAS Number
7439910   
99+
54085642   
4

Space Group Name
P63/mmc   
Not Available   

Space Group Number
194.00   
5
Not Available   

Facts

Interesting Facts
  • Lanthanum metal is highly malleable, ductile and sectile.
  • If exposed to air Lanthanum metal oxidizes rapidly.
  
Not Available   

Sources
Found in Minerals, Mining, Ores of Minerals   
Synthetically Produced   

History
  
  

Who Discovered
Carl Gustaf Mosander   
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory   

Discovery
In 1838   
In 2003   

Abundance
  
  

Abundance In Universe
2 * 10-7 %   
22
Not Available   

Abundance In Sun
~0.0000002 %   
25
~-9999 %   

Abundance In Meteorites
0.00 %   
32
Not Available   

Abundance In Earth's Crust
0.00 %   
19
Not Available   

Abundance In Oceans
0.00 %   
29
Not Available   

Uses

Uses & Benefits
  • 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.
  
  • Currently known uses of Ununpentium metal are limited to research purpose only.
  

Industrial Uses
Electrical Industry, Electronic Industry   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys, Mirror Manufacturing   
Research Purposes   

Biological Properties
  
  

Toxicity
Low Toxic   
Unknown   

Present in Human Body
Yes   
No   

In Bone
0.08 p.p.m.   
24
Not Available   

Physical Properties

Melting Point
920.00 °C   
99+
400.00 °C   
99+

Boiling Point
3,469.00 °C   
18
1,100.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Unknown   

Luster
NA   
Unknown Luster   

Hardness
  
  

Mohs Hardness
2.50   
14
Not Available   

Brinell Hardness
350.00 MPa   
30
Not Available   

Vickers Hardness
360.00 MPa   
26
Not Available   

Speed of Sound
2,475.00 m/s   
37
Not Available   

Optical Properties
  
  

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

Chemical Properties

Chemical Formula
La   
Mc   

Isotopes
  
  

Known Isotopes
31   
8
5   
32

Electronegativity
  
  

Pauling Electronegativity
1.10   
99+
Not Available   

Allred Rochow Electronegativity
1.08   
31
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.90   
10
Not Available   

Ionization Energies
  
  

1st Energy Level
538.10 kJ/mol   
99+
538.40 kJ/mol   
99+

2nd Energy Level
1,067.00 kJ/mol   
99+
1,756.00 kJ/mol   
24

3rd Energy Level
1,850.30 kJ/mol   
99+
2,653.30 kJ/mol   
40

4th Energy Level
4,819.00 kJ/mol   
22
4,679.50 kJ/mol   
24

5th Energy Level
5,940.00 kJ/mol   
25
5,721.60 kJ/mol   
27

Electrochemical Equivalent
1.73 g/amp-hr   
99+
Not Available   

Electron Work Function
3.50 eV   
31
Not Available   

Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Ionization   

Atomic Properties

Atomic Number
57   
99+
115   
3

Electron Configuration
[Xe] 5d2 6s2   
[Rn] 5f14 6d10 7s2 7p3   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Not Known   

Crystal Lattice
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   
Unknown-Crystal-Structure-of-Ununpentium.jpg#100   

Atom
  
  

Number of Protons
57   
99+
115   
3

Number of Neutrons
82   
99+
159   
5

Number of Electrons
57   
99+
115   
3

Radius of an Atom
  
  

Atomic Radius
187.00 pm   
8
Not Available   

Covalent Radius
207.00 pm   
6
Not Available   

Van der Waals Radius
240.00 pm   
13
Not Available   

Atomic Weight
138.91 amu   
99+
289.00 amu   
3

Atomic Volume
20.73 cm3/mol   
16
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Barium
  
Flerovium
  

Next Element
Cerium
  

Valence Electron Potential
40.71 (-eV)   
99+
Not Available   

Lattice Constant
377.20 pm   
28
Not Available   

Lattice Angles
π/2, π/2, 2 π/3   
NA   

Lattice C/A Ratio
1.62   
2
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
6.16 g/cm3   
99+
4.51 g/cm3   
99+

Density When Liquid (at m.p.)
5.94 g/cm3   
99+
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 2000 K
0.98 (Pa)   
15
Not Available   

Elasticity properties
  
  

Shear Modulus
14.30 GPa   
40
Not Available   

Bulk Modulus
27.90 GPa   
99+
Not Available   

Young's Modulus
36.60 GPa   
99+
Not Available   

Poisson Ratio
0.28   
17
Not Available   

Other Mechanical Properties
Ductile   
Unknown   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
6.17   
99+
Not Available   

Magnetic Ordering
Paramagnetic   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Conductor   
Unknown   

Resistivity
615.00 nΩ·m   
7
Not Available   

Electrical Conductivity
0.01 106/cm Ω   
99+
Not Available   

Electron Affinity
48.00 kJ/mol   
23
Not Available   

Thermal Properties

Specific Heat
0.19 J/(kg K)   
32
Not Available   

Molar Heat Capacity
27.11 J/mol·K   
21
Not Available   

Thermal Conductivity
13.40 W/m·K   
99+
Not Available   

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
12.10 µm/(m·K)   
32
Not Available   

Enthalpy
  
  

Enthalpy of Vaporization
399.60 kJ/mol   
17
Not Available   

Enthalpy of Fusion
6.20 kJ/mol   
99+
Not Available   

Enthalpy of Atomization
431.00 kJ/mol   
16
Not Available   

Standard Molar Entropy
56.90 J/mol.K   
23
Not Available   

Summary >>
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