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Cesium Element

Find elemental, thermodynamic, material, electromagnetic, atomic & nuclear properties of cesium element along with reactivity and abundance.

Sarah Taylor-

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Cesium is the fifty-five 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 Cesium

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 Cesium are:

Atomic Symbol of Cesium

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

Atomic Number of Cesium

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 Cesium is 55. This shows Cesium is the fifty-five element of the periodic table.

Short Electronic Configuration of Cesium

Short Electronic Configuration of Cesium is [Xe]6s1

Block of Cesium in Periodic Table

There are four blocks (s, p, d, f) in the periodic table. Cesium belongs to the s-block of the periodic table. S block is also the first block in the periodic table.

Group of Cesium in Periodic Table

Groups are the columns of the periodic table and Cesium belongs to the first group.

Period of Cesium in Periodic Table

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

Atomic Mass of Cesium 

Atomic mass is the mass of an atom and the atomic mass of Cesium is 132.90545196 u. If we round off the atomic mass of Cesium, we get 132 u.

Thermodynamic properties of Cesium

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 Cesium are:

Phase at STP

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

Melting Point of Cesium

Melting point is a temperature at which an element of substance changes its state from solid to liquid. The melting point of Cesium gas is 28.44 °C.

Boiling Point of Cesium

A boiling point is a temperature at which an element of a substance starts turning into vapors. The boiling point of Cesium gas is 671 °C.

Critical Temperature of Cesium

A critical temperature is a point at which a gas cannot become liquid even if we are applying pressure. The critical temperature of Cesium gas is 1938 K.

Critical Pressure of Cesium

The critical pressure required to liquefy a gas at its critical temperature. The critical pressure of Cesium gas is 9.4 MPa.

Molar Heat of Fusion of Cesium

Molar Heat of Fusion is the energy required to melt each mole of substance. The molar heat of fusion of Cesium is 2.09 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 Cesium gas is 65 kJ/mol.

Specific heat at STP

The specific heat of Cesium at STP is 242 J(kgK).

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

Material properties

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

Density of Cesium

The density of Cesium element is  1.879 g/cm3

Liquid Density of Cesium element

The liquid density of Cesium atom is 1.843 g/cm3 

Molar Volume of Cesium

The molar volume of Cesium is 70.73cm3/mol

Mohs hardness of Cesium Atom

The mohs hardness of Cesium element is 0.2

Bulk modulus of Cesium Gas

The bulk modulus of Cesium Gas is 1.6 GPa

Young's modulus of Cesium

The young's modulus of Cesium atom 1.7 GPa

Thermal Conductivity of Cesium

The thermal conductivity of Cesium is 36 W/(mK)

These are the main material properties of Cesium.

Electromagnetic properties of Cesium

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 Cesium gas include magnetic types, magnetic volume, mass magnetic susceptibility and color.

Electric type of Cesium

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

Resistivity of Cesium element

The resistivity of Cesium element is 2 x 10-7 Ωm

Electrical conductivity of Cesium gas

The electrical conductivity of Cesium element is 5 x 106 s/m

Magnetic type of Cesium element

The magnetic type of Cesium atom is paramagnetic

Volume Magnetic Susceptibility of Cesium

The volume magnetic susceptibility of Cesium is 5.26 x 10 -6

Mass Magnetic Susceptibility of Cesium

The mass magnetic susceptibility of Cesium is 2.8 x 10-9 m3/kg

Molar Magnetic Susceptibility of Cesium

The molar magnetic susceptibility of Cesium gas is 3.72 x 10-10 m3/mol

Color of Cesium Gas

The color of Cesium gas is yellow.

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

Reactivity of Cesium

Valency of Cesium

The valency of a Cesium element is a number that represents the ability of an atom to combine with other atoms. The valency of Cesium is 1.

Electronegativity of Cesium

Electronegativity of Cesium is the tendency of its atom participating in a covalent bond to attract the bonding electrons. Cesium has 0.79 electronegativity.

Electron affinity of Cesium

Electron affinity of Cesium gas is the energy released when one electron is added to a neutral atom to form an anion. The electron affinity of Cesium is 45.5 kJ/mol

First ionization energy of Cesium

It is the energy to remove the outermost electron from the neutral atom in the gas phase. The first ionization energy of Cesium is 375.7 kJ/mol

Atomic properties

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

Term Symbol of Cesium

The term symbol specifies the electronic state of an atom. The term symbol of Cesium atom is 2 S1/2

Atomic Radius of Cesium

The total distance from an atom's nucleus to the outermost orbital of an electron is its atomic radius. The atomic radius of Cesium is 260 pm.

Covalent Radius of Cesium

Covalent radius is the measurement of an atom's size that forms a covalent bond. The covalent radius of Cesium is 244 pm.

Abundances of Cesium

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

Abundance of Cesium in the universe

The abundance of Cesium in the universe is 8 x 10-8 mass %

Abundance of Cesium in the solar system

The abundance of Cesium in the solar system is 8 x 10-7 mass %

Abundance of Cesium in earth's crust

The abundance of Cesium in earth's crust is 1.9 x 10-4 mass %

Abundance of Cesium in ocean

The abundance of Cesium in ocean is 5 x 10-8 mass %

Universe Molar Abundances of Cesium

The universe molar abundances of Cesium is 1 x 10-9 mol %

Solar Molar Abundances of Cesium

The solar molar abundances of Cesium is 7 x 10 -9 mol %

Ocean Molar Abundances of Cesium

The ocean molar abundances of Cesium is 2.3 x 10-9 mol %

Crust Molar Abundances of Cesium

The crust molar abundances of Cesium is 2.9 x 10-5 mol %

Human Molar Abundances of Cesium

The crust molar abundances of Cesium is 1 x 10-7 mol %

Nuclear properties of Cesium

Half life of Cesium

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

Stable isotopes of Cesium

The stable isotopes of Cesium are 133 Cs (100%) 

Nuclear Spin of Cesium

The nuclear spin of Cesium is 133 Cs: 7/2+

Unstable isotopes of Cesium

The unstable isotopes of Cesium is 135Cs (2.3 Myr)

Neutron Cross Section of Cesium

The neutron cross section of Cesium is 29 b

Identifiers of Cesium

CAS Number of Cesium

The CAS number of Cesium is 7440-46-2

PubChem CID number of Cesium

The PubChem CID number of Cesium is 5354618

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