Terbium is the sixty-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 Terbium

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 Terbium are:

Atomic Symbol of Terbium

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

Atomic Number of Terbium

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 Terbium is 65. This shows Terbium is the sixty-five element of the periodic table.

Short Electronic Configuration of Terbium

Short Electronic Configuration of Terbium is [Xe]6s2 4 f9

Block of Terbium in Periodic Table

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

Period of Terbium in Periodic Table

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

Atomic Mass of Terbium 

Atomic mass is the mass of an atom and the atomic mass of Terbium is 158.92535 u. If we round off the atomic mass of Terbium, we get 159 u.

Thermodynamic properties of Terbium

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 Terbium are:

Phase at STP

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

Melting Point of Terbium

Melting point is a temperature at which an element of substance changes its state from solid to liquid. The melting point of Terbium gas is 1356 °C.

Boiling Point of Terbium

A boiling point is a temperature at which an element of a substance starts turning into vapors. The boiling point of Terbium gas is 3230°C.

Molar Heat of Fusion of Terbium

Molar Heat of Fusion is the energy required to melt each mole of substance. The molar heat of fusion of Terbium is 10.8 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 Terbium gas is 295 kJ/mol.

Specific heat at STP

The specific heat of Terbium at STP is 182 J(kgK).

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

Material properties

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

Density of Terbium

The density of Terbium element is  8.219 g/cm3

Liquid Density of Terbium element

The liquid density of Terbium atom is 7.65 g/cm3 

Molar Volume of Terbium

The molar volume of Terbium is 19.34cm3/mol

Mohs hardness of Terbium Atom

The mohs hardness of Terbium element is 2.3

Bulk modulus of Terbium Gas

The bulk modulus of Terbium Gas is 38.7 GPa

Shear modulus of Terbium atom

The shear modulus of Terbium element 22 GPa

Young's modulus of Terbium

The young's modulus of Terbium atom 56 GPa

Ultimate tensile strength of Terbium element

The ultimate tensile strength of Terbium gas is 140 MPa.

Sound speed of Terbium atom

The sound speed of Terbium gas is 2620 m/s

Thermal expansion of Terbium

The thermal expansion of Terbium is 1.03 x 10-5 K-1

Thermal Conductivity of Terbium

The thermal conductivity of Terbium is 11 W/(mK)

These are the main material properties of Terbium.

Electromagnetic properties of Terbium

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

Electric type of Terbium

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

Resistivity of Terbium element

The resistivity of Terbium element is 1.2 x 10-6 Ωm

Electrical conductivity of Terbium gas

The electrical conductivity of Terbium element is 830,000 s/m

Magnetic type of Terbium element

The magnetic type of Terbium atom is paramagnetic

Volume Magnetic Susceptibility of Terbium

The volume magnetic susceptibility of Terbium is 0.1117784 x 10 -6

Mass Magnetic Susceptibility of Terbium

The mass magnetic susceptibility of Terbium is 1.36 x 10-5 m3/kg

Molar Magnetic Susceptibility of Terbium

The molar magnetic susceptibility of Terbium gas is 2.161385 x 10-6 m3/mol

Color of Terbium Gas

The color of Terbium gas is silver.

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

Reactivity of Terbium

Valency of Terbium

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

Electron affinity of Terbium

Electron affinity of Terbium gas is the energy released when one electron is added to a neutral atom to form an anion. The electron affinity of Terbium is 50 kJ/mol

First ionization energy of Terbium

It is the energy to remove the outermost electron from the neutral atom in the gas phase. The first ionization energy of Terbium is 565.8 kJ/mol

Atomic properties

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

Term Symbol of Terbium

The term symbol specifies the electronic state of an atom. The term symbol of Terbium atom is 6 H15/2

Atomic Radius of Terbium

The total distance from an atom's nucleus to the outermost orbital of an electron is its atomic radius. The atomic radius of Terbium is 175 pm.

Covalent Radius of Terbium

Covalent radius is the measurement of an atom's size that forms a covalent bond. The covalent radius of Terbium is 194 pm.

Abundances of Terbium

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

Abundance of Terbium in the universe

The abundance of Terbium in the universe is 5 x 10-8 mass %

Abundance of Terbium in the solar system

The abundance of Terbium in the solar system is 1 x 10-8 mass %

Abundance of Terbium in earth's crust

The abundance of Terbium in earth's crust is 9.3 x 10-5 mass %

Abundance of Terbium in ocean

The abundance of Terbium in ocean is 1.4 x 10-11 mass %

Universe Molar Abundances of Terbium

The universe molar abundances of Terbium is 4 x 10-10 mol %

Solar Molar Abundances of Terbium

The solar molar abundances of Terbium is 9.9 x 10 -11 mol %

Ocean Molar Abundances of Terbium

The ocean molar abundances of Terbium is 5 x 10-6 mol %

Crust Molar Abundances of Terbium

The crust molar abundances of Terbium is 1.2 x 10-5 mol %

Nuclear properties of Terbium

Half life of Terbium

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

Stable isotopes of Terbium

The stable isotopes of Terbium are 159 Tb (100%) 

Nuclear Spin of Terbium

The nuclear spin of Terbium is 158 Tb: 3/2+

Unstable isotopes of Terbium

The unstable isotopes of Terbium is 158 Tb (180 yr)

Neutron Cross Section of Terbium

The neutron cross section of Terbium is 23 b

Identifiers of Terbium

CAS Number of Terbium

The CAS number of Terbium is 7440-27-9

PubChem CID number of Terbium

The PubChem CID number of Terbium is 23958