Table of contents

Boron is the fifth 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 Boron

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 Boron  are:

Atomic Symbol of Boron 

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

Atomic Number of Boron 

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 Boron is 5. This shows Boron is the fifth element of the periodic table.

Short Electronic Configuration of Boron 

Short Electronic Configuration of Boron is [He]2s 2 2p 1

Block of Boron in Periodic Table

There are four blocks (s, p, d, f) in the periodic table. Boron belongs to the p-block of the periodic table. P block is the second block in the periodic table.

Group of Boron in Periodic Table

Groups are the columns of the periodic table and Boron belongs to the thirteen group.

Period of Boron in Periodic Table

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

Atomic Mass of Boron

Atomic mass is the mass of an atom and the atomic mass of Boron is 10.81u. If we round off the atomic mass of Boron , we get 10.8u.

Thermodynamic properties of Boron 

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 Boron are:

Phase at STP

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

Melting Point of Boron 

Melting point is a temperature at which an element of substance changes its state from solid to liquid. The melting point of Boron gas is 2075 °C.

Boiling Point of Boron 

A boiling point is a temperature at which an element of a substance starts turning into vapors. The boiling point of Boron gas is 4000 °C.

Molar Heat of Fusion of Boron 

Molar Heat of Fusion is the energy required to melt each mole of substance. The molar heat of fusion of Boron is 50 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 Boron gas is 507 kJ/mol.

Specific heat at STP

The specific heat of Boron at STP is 1030 J(kgK).


 

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

Material properties

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

Density of Boron 

The density of Boron element is 2.46 g/cm3

Liquid Density of Boron element

The liquid density of helium atom is 2.08 g/cm3 

Molar Volume of Boron 

The molar volume of Boron is 4.394cm3/mol

Mohs hardness of Boron Atom

The mohs hardness of Boron element is 9.3

Bulk modulus of Boron Gas

The bulk modulus of Boron Gas is 320 GPa

Ultimate tensile strength of Boron element

The ultimate tensile strength of Boron gas is 2 MPa.

Sound speed of Boron atom

The sound speed of Boron gas is 16 200 m/s

Thermal expansion of Boron 

The thermal expansion of Boron is 6 x -6 K-1

Thermal Conductivity of Boron 

The thermal conductivity of Boron is 27 W/(mK)

These are the main material properties of Boron .

Electromagnetic properties of Boron 

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

Electric type of Boron 

The magnetic type Boron refers to the fact that it is an insulator.

Resistivity of Boron element

The resistivity of Boron element is10 000 Ωm

Electrical conductivity of Boron gas

The electrical conductivity of Boron element is 1 x 10-4 s/m

Magnetic type of Boron element

The magnetic type of Boron atom is diamagnetic 

Volume Magnetic Susceptibility of Boron 

The volume magnetic susceptibility of Boron is -2.14 x 10 -5

Mass Magnetic Susceptibility of Boron 

The mass magnetic susceptibility of Boron is -8.7 x 10-9 m3/kg

Molar Magnetic Susceptibility of Boron 

The molar magnetic susceptibility of Boron gas is -9.41 x 10-11 m3/mol

Color of Boron Gas

The color of Boron gas is black.

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

Reactivity of Boron 

Valency of Boron 

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

Electronegativity of Boron 

Electronegativity of Boron is the tendency of its atom participating in a covalent bond to attract the bonding electrons. Boron  has 2.04 electronegativity.

Electron affinity of Boron 

Electron affinity of Boron gas is the energy released when one electron is added to a neutral atom to form an anion. The electron affinity of Boron is 26.7 kJ/mol

First ionization energy of Boron 

It is the energy to remove the outermost electron from the neutral atom in the gas phase. The first ionization energy of Boron is 800.6 kJ/mol


 

Atomic properties

The atomic properties of Boron  have term symbols, atomic radius, covalent radius, van der waals radius.

Term Symbol of Boron 

The term symbol specifies the electronic state of an atom. The term symbol of Boron atom is 2 p 1/2

Atomic Radius of Boron 

The total distance from an atom's nucleus to the outermost orbital of an electron is its atomic radius. The atomic radius of Boron is 85 pm.

Covalent Radius of Boron 

Covalent radius is the measurement of an atom's size that forms a covalent bond. The covalent radius of Boron is 84 pm.

Abundances of Boron 

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

Abundance of Boron in the universe

The abundance of Boron in the universe is 1 x 10 -7 mass %

Abundance of Boron in the solar system

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

Abundance of Boron in earth's crust

The abundance of Boron in earth's crust is 8.6 x 10 -4 mass %

Abundance of Boron in ocean

The abundance of Boron in ocean is 4.4 x 10 -4 mass %

Universe Molar Abundances of Boron 

The universe molar abundances of Boron is 1 x 10-8 mol %

Solar Molar Abundances of Boron 

The solar molar abundances of Boron is 2 x 10 -8 mol %

Ocean Molar Abundances of Boron 

The ocean molar abundances of Boron is 2.5 x 10 -4 mol %

Crust Molar Abundances of Boron 

The crust molar abundances of Boron is 0.0017 mol %

Human Molar Abundances of Boron 

The crust molar abundances of Boron is 4.1 x 10 -5 mol %

Nuclear properties of Boron 

Half life of Boron 

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

Stable isotopes of Boron 

The stable isotopes of Boron are 11 B (80.2%) | 11 B (19.8%)

Nuclear Spin of Boron 

The nuclear spin of Boron is 10 B 3+ | 11 B 3/2-

Unstable isotopes of Boron 

The unstable isotopes of Boron is 8 B (770 ms)

Neutron Cross Section of Boron 

The neutron cross section of Boron is 760 b

Identifiers of Boron 

CAS Number of Boron 

The CAS number of Boron is 7440-42-8

PubChem CID number of Boron 

The PubChem CID number of Boron is 5462311

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