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Lanthanum is the fifty-seven element in the periodic table. A periodic table contains 118 elements distributed in 7 rows and 18 columns. The rows are known as periods and the columns are the groups of the periodic table. The elements of the periodic table are arranged according to their atomic number.

Basic elemental properties of Lanthanum

There are 118 different elements in the periodic table but there are some basic elemental properties of each. In a periodic table, elements with basic elemental properties are grouped together. Basic elemental properties of Lanthanum are:

Atomic Symbol of Lanthanum

Every element in the periodic table has its atomic symbol or chemical symbol for representation. The atomic symbol of Lanthanum is “La”

Atomic Number of Lanthanum

Elements in the periodic table are arranged in groups and periods on the basis of their atomic number.

Atomic number is the number of protons present in the nucleus of an atom. The atomic number of Lanthanum is 57. This shows Lanthanum is the fifty-seven element of the periodic table.

Short Electronic Configuration of Lanthanum

Short Electronic Configuration of Lanthanum is [Xe]6s2 5d 1

Block of Lanthanum in Periodic Table

There are four blocks (s, p, d, f) in the periodic table. Lanthanum belongs to the f-block of the periodic table. F block is the fourth block in the periodic table.

Group of Lanthanum in Periodic Table

Groups are the columns of the periodic table and Lanthanum belongs to the third group.

Period of Lanthanum in Periodic Table

Periodic table is arranged in periods and groups. The rows going across left to right are periods and Lanthanum is placed in the sixth period. Elements that are present in a period share common properties .

Atomic Mass of Lanthanum 

Atomic mass is the mass of an atom and the atomic mass of Lanthanum is 138.90547 u. If we round off the atomic mass of Lanthanum, we get 138 u.

Thermodynamic properties of Lanthanum

Thermodynamic properties are the characteristic features of a system, capable of specifying the system's state. The thermodynamic properties of an element include chemical, physical and thermal properties. The thermodynamic properties of Lanthanum are:

Phase at STP

Phase at STP is the state in which an element is present. The stp phase of Lanthanum is “Solid”.

Melting Point of Lanthanum

Melting point is a temperature at which an element of substance changes its state from solid to liquid. The melting point of Lanthanum gas is 920°C.

Boiling Point of Lanthanum

A boiling point is a temperature at which an element of a substance starts turning into vapors. The boiling point of Lanthanum gas is 3464°C.

Molar Heat of Fusion of Lanthanum

Molar Heat of Fusion is the energy required to melt each mole of substance. The molar heat of fusion of Lanthanum is 6.2 kJ/mol.

Molar heat of Vaporization

The Molar heat of vaporization is the heat absorbed by the one specific mole of a substance. The molar heat of vaporization of Lanthanum gas is 400 kJ/mol.

Specific heat at STP

The specific heat of Lanthanum at STP is 195 J(kgK).


 

These are some of the main thermodynamic properties of Lanthanum. Let’s find out all the material properties of Lanthanum.

Material properties

We have discussed basic elemental properties and thermodynamic properties of Lanthanum gas. Besides these, there are many material properties of Lanthanum as well. Some of the material properties include density, molar volume, refractive index and thermal conductivity.

Density of Lanthanum

The density of Lanthanum element is  6.146 g/cm3

Liquid Density of Lanthanum element

The liquid density of Lanthanum atom is 5.94 g/cm3 

Molar Volume of Lanthanum

The molar volume of Lanthanum is 22.6cm3/mol

Mohs hardness of Lanthanum Atom

The mohs hardness of Lanthanum element is 2.5

Bulk modulus of Lanthanum Gas

The bulk modulus of Lanthanum Gas is 28 GPa

Shear modulus of Lanthanum atom

The shear modulus of Lanthanum element 14.3 GPa

Young's modulus of Lanthanum

The young's modulus of Lanthanum atom 37 GPa

Ultimate tensile strength of Lanthanum element

The ultimate tensile strength of Lanthanum gas is 130 MPa.

Sound speed of Lanthanum atom

The sound speed of Lanthanum gas is 2475 m/s

Thermal expansion of Lanthanum

The thermal expansion of Lanthanum is 1.21 x 10-5 K-1

Thermal Conductivity of Lanthanum

The thermal conductivity of Lanthanum is 13W/(mK)

These are the main material properties of Lanthanum.

Electromagnetic properties of Lanthanum

When there is any emission or absorption of electromagnetic radiations, a martial responds to these changes. All elements of a periodic table have electromagnetic properties. Some of the main electromagnetic properties of Lanthanum gas include magnetic types, magnetic volume, mass magnetic susceptibility and color.

Electric type of Lanthanum

The magnetic type Lanthanum refers to the fact that it is a conductor.

Resistivity of Lanthanum element

The resistivity of Lanthanum element is 6.1 x 10-7 Ωm

Electrical conductivity of Lanthanum gas

The electrical conductivity of Lanthanum element is 1.6 x 106 s/m

Magnetic type of Lanthanum element

The magnetic type of Lanthanum atom is paramagnetic

Volume Magnetic Susceptibility of Lanthanum

The volume magnetic susceptibility of Lanthanum is 6.761 x 10 -5

Mass Magnetic Susceptibility of Lanthanum

The mass magnetic susceptibility of Lanthanum is 1.1 x 10-8 m3/kg

Molar Magnetic Susceptibility of Lanthanum

The molar magnetic susceptibility of Lanthanum gas is 1.528 x 10-9 m3/mol

Color of Lanthanum Gas

The color of Lanthanum gas is silver.

These are some of the main electromagnetic properties of Lanthanum gas.

Reactivity of Lanthanum

Valency of Lanthanum

The valency of a Lanthanum element is a number that represents the ability of an atom to combine with other atoms. The valency of Lanthanum is 3.

Electronegativity of Lanthanum

Electronegativity of Lanthanum is the tendency of its atom participating in a covalent bond to attract the bonding electrons. Lanthanum has 1.1 electronegativity.

Electron affinity of Lanthanum

Electron affinity of Lanthanum gas is the energy released when one electron is added to a neutral atom to form an anion. The electron affinity of Lanthanum is 48 kJ/mol

First ionization energy of Lanthanum

It is the energy to remove the outermost electron from the neutral atom in the gas phase. The first ionization energy of Lanthanum is 538.1 kJ/mol


 

Atomic properties

The atomic properties of Lanthanum have term symbol, atomic radius, covalent radius, van der waals radius.

Term Symbol of Lanthanum

The term symbol specifies the electronic state of an atom. The term symbol of Lanthanum atom is 2 D3/2

Atomic Radius of Lanthanum

The total distance from an atom's nucleus to the outermost orbital of an electron is its atomic radius. The atomic radius of Lanthanum is 195 pm.

Covalent Radius of Lanthanum

Covalent radius is the measurement of an atom's size that forms a covalent bond. The covalent radius of Lanthanum is 207 pm.

Abundances of Lanthanum

It is the measure that tells us about the percentage of which it is present. 

Abundance of Lanthanum in the universe

The abundance of Lanthanum in the universe is 2 x 10-7 mass %

Abundance of Lanthanum in the solar system

The abundance of Lanthanum in the solar system is 2 x 10-7 mass %

Abundance of Lanthanum in earth's crust

The abundance of Lanthanum in earth's crust is 0.0034 mass %

Abundance of Lanthanum in ocean

The abundance of Lanthanum in ocean is 3.4 x 10-1- mass %

Universe Molar Abundances of Lanthanum

The universe molar abundances of Lanthanum is 2 x 10-9 mol %

Solar Molar Abundances of Lanthanum

The solar molar abundances of Lanthanum is 9.9 x 10 -10 mol %

Ocean Molar Abundances of Lanthanum

The ocean molar abundances of Lanthanum is 1.5 x 10-11 mol %

Crust Molar Abundances of Lanthanum

The crust molar abundances of Lanthanum is 5 x 10-4 mol %

Nuclear properties of Lanthanum

Half life of Lanthanum

Half life is the time for the radioactivity of a specified isotope to fall to half its original value. The half Life of Lanthanum is stable.

Stable isotopes of Lanthanum

The stable isotopes of Lanthanum are 139 La (99.91%) 

Nuclear Spin of Lanthanum

The nuclear spin of Lanthanum is 139 La: 7/2+

Unstable isotopes of Lanthanum

The unstable isotopes of Lanthanum is 138 La (102 billion yr)

Neutron Cross Section of Lanthanum

The neutron cross section of Lanthanum is 8.98 b

Identifiers of Lanthanum

CAS Number of Lanthanum

The CAS number of Lanthanum is 7439-91-0

PubChem CID number of Lanthanum

The PubChem CID number of Lanthanum is 23926

Online Calculators

There are free online calculators on this website which you can use for accurate calculations. These tools are:

Other Periodic table elements

Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen
Fluorine Neon Sodium Magnesium Aluminum Silicon Phosphorus Sulfur
Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium
Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium
Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium
Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium
Indium Tin Antimony Tellurium Iodine Xenon Cesium Barium
Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium
Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium
Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury
Thallium Lead Bismuth Polonium Astatine Radon Francium Radium
Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium
Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium
Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium
Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson