Table of contents

Iodine is the fifty-three 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 Iodine

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 Iodine are:

Atomic Symbol of Iodine

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

Atomic Number of Iodine

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 Iodine is 53. This shows Iodine is the fifty-three element of the periodic table.

Short Electronic Configuration of Iodine

Short Electronic Configuration of Iodine is [Kr]5s2 4d 10 5p 5

Block of Iodine in Periodic Table

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

Group of Iodine in Periodic Table

Groups are the columns of the periodic table and Iodine belongs to the seventeenth group.

Period of Iodine in Periodic Table

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

Atomic Mass of Iodine 

Atomic mass is the mass of an atom and the atomic mass of Iodine is 126.90447 u. If we round off the atomic mass of Iodine, we get 126 u.

Thermodynamic properties of Iodine

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 Iodine are:

Phase at STP

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

Melting Point of Iodine

Melting point is a temperature at which an element of substance changes its state from solid to liquid. The melting point of Iodine gas is 113.7 °C.

Boiling Point of Iodine

A boiling point is a temperature at which an element of a substance starts turning into vapors. The boiling point of Iodine gas is 184.3 °C.

Critical Temperature of Iodine

A critical temperature is a point at which a gas cannot become liquid even if we are applying pressure. The critical temperature of Iodine gas is 819 K.

Critical Pressure of Iodine

The critical pressure required to liquefy a gas at its critical temperature. The critical pressure of Iodine gas is 11.7 MPa.

Molar Heat of Fusion of Iodine

Molar Heat of Fusion is the energy required to melt each mole of substance. The molar heat of fusion of Iodine is 7.76 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 Iodine gas is 20.9 kJ/mol.

Specific heat at STP

The specific heat of Iodine at STP is 429 J(kgK).


 

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

Material properties

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

Density of Iodine

The density of Iodine element is  4.94 g/cm3

Molar Volume of Iodine

The molar volume of Iodine is 25.69cm3/mol

Bulk modulus of Iodine Gas

The bulk modulus of Iodine Gas is 7.7 GPa

Thermal Conductivity of Iodine

The thermal conductivity of Iodine is 0.449 W/(mK)

These are the main material properties of Iodine.

Electromagnetic properties of Iodine

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

Electric type of Iodine

The magnetic type Iodine refers to the fact that it is a insulator.

Resistivity of Iodine element

The resistivity of Iodine element is 1 x 10-8 Ωm

Electrical conductivity of Iodine gas

The electrical conductivity of Iodine element is 1 x 10-7 s/m

Magnetic type of Iodine element

The magnetic type of Iodine atom is diamagnetic

Volume Magnetic Susceptibility of Iodine

The volume magnetic susceptibility of Iodine is -2.22 x 10 -5

Mass Magnetic Susceptibility of Iodine

The mass magnetic susceptibility of Iodine is -4.5 x 10-9 m3/kg

Molar Magnetic Susceptibility of Iodine

The molar magnetic susceptibility of Iodine gas is -1.14 x 10-9 m3/mol

Color of Iodine Gas

The color of Iodine gas is slate gray.

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

Reactivity of Iodine

Valency of Iodine

The valency of a Iodine element is a number that represents the ability of an atom to combine with other atoms. The valency of Iodine is 7.

Electronegativity of Iodine

Electronegativity of Iodine is the tendency of its atom participating in a covalent bond to attract the bonding electrons. Iodine has 2.66 electronegativity.

Electron affinity of Iodine

Electron affinity of Iodine gas is the energy released when one electron is added to a neutral atom to form an anion. The electron affinity of Iodine is 295.2 kJ/mol

First ionization energy of Iodine

It is the energy to remove the outermost electron from the neutral atom in the gas phase. The first ionization energy of Iodine is 1008.4 kJ/mol


 

Atomic properties

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

Term Symbol of Iodine

The term symbol specifies the electronic state of an atom. The term symbol of Iodine atom is 2 P3/2

Atomic Radius of Iodine

The total distance from an atom's nucleus to the outermost orbital of an electron is its atomic radius. The atomic radius of Iodine is 140 pm.

Covalent Radius of Iodine

Covalent radius is the measurement of an atom's size that forms a covalent bond. The covalent radius of Iodine is 139 pm.

Van der Waals Radius of Iodine

Van der waals radius is the measurement for the size of an atom that is not chemically bonded. The van der Waals radius of Iodine is 198 pm.

Abundances of Iodine

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

Abundance of Iodine in the universe

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


 

Abundance of Iodine in earth's crust

The abundance of Iodine in earth's crust is 4.9 x 10-5 mass %

Abundance of Iodine in ocean

The abundance of Iodine in ocean is 6 x 10-6 mass %

Universe Molar Abundances of Iodine

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

Ocean Molar Abundances of Iodine

The ocean molar abundances of Iodine is 2.9 x 10-7 mol %

Crust Molar Abundances of Iodine

The crust molar abundances of Iodine is 8 x 10-6 mol %

Human Molar Abundances of Iodine

The crust molar abundances of Iodine is 1 x 10-6 mol %

Nuclear properties of Iodine

Half life of Iodine

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

Stable isotopes of Iodine

The stable isotopes of Iodine are 127 I (100%) 

Nuclear Spin of Iodine

The nuclear spin of Iodine is 127 I: 5/2+

Unstable isotopes of Iodine

The unstable isotopes of Iodine is 129 I (15.7 Myr)

Neutron Cross Section of Iodine

The neutron cross section of Iodine is 6.2 b

Identifiers of Iodine

CAS Number of Iodine

The CAS number of Iodine is 7553-56-2

PubChem CID number of Iodine

The PubChem CID number of Iodine is 807

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