# Iron Element

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

Sarah Taylor-

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Iron is the twenty-six 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 Iron

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 Iron are:

### Atomic Symbol of Iron

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

### Atomic Number of Iron

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 Iron is 26. This shows Iron is the twenty-six element of the periodic table.

### Short Electronic Configuration of Iron

Short Electronic Configuration of Iron is [Ar]4s2 3d 6

### Block of Iron in Periodic Table

There are four blocks (s, p, d, f) in the periodic table. Iron belongs to the d-block of the periodic table. D block is the third block in the periodic table.

### Group of Iron in Periodic Table

Groups are the columns of the periodic table and Iron belongs to the eighth group.

### Period of Iron in Periodic Table

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

### Atomic Mass of Iron

Atomic mass is the mass of an atom and the atomic mass of Iron is 55.845 u. If we round off the atomic mass of Iron, we get 56 u.

## Thermodynamic properties of Iron

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 Iron are:

### Phase at STP

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

### Melting Point of Iron

Melting point is a temperature at which an element of substance changes its state from solid to liquid. The melting point of Iron gas is 1538 °C.

### Boiling Point of Iron

A boiling point is a temperature at which an element of a substance starts turning into vapors. The boiling point of Iron gas is 2861 °C.

### Molar Heat of Fusion of Iron

Molar Heat of Fusion is the energy required to melt each mole of substance. The molar heat of fusion of Iron is 13.8 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 Iron gas is 347 kJ/mol.

### Specific heat at STP

The specific heat of Iron at STP is 449 J(kgK).

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

## Material properties

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

### Density of Iron

The density of Iron element is  7.874 g/cm3

### Liquid Density of Iron element

The liquid density of Iron atom is 6.98 g/cm3

### Molar Volume of Iron

The molar volume of Iron is 7.092 cm3/mol

### Mohs hardness of Iron Atom

The mohs hardness of Iron element is 4

### Bulk modulus of Iron Gas

The bulk modulus of Iron Gas is 170 GPa

### Shear modulus of Iron atom

The shear modulus of Iron element 82 GPa

### Young's modulus of Iron

The young's modulus of Iron atom 211 GPa

### Sound speed of Iron atom

The sound speed of Iron gas is 4910 m/s

### Thermal expansion of Iron

The thermal expansion of Iron is 1.18 x 10-5 K-1

### Thermal Conductivity of Iron

The thermal conductivity of Iron is 80 W/(mK)

These are the main material properties of Iron.

## Electromagnetic properties of Iron

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

### Electric type of Iron

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

### Resistivity of Iron element

The resistivity of Iron element is 9.7 x 10-8 Ωm

### Electrical conductivity of Iron gas

The electrical conductivity of Iron element is 1 x 107 s/m

### Magnetic type of Iron element

The magnetic type of Iron atom is ferromagnetic

### Color of Iron Gas

The color of Iron gas is gray.

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

## Reactivity of Iron

### Valency of Iron

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

### Electronegativity of Iron

Electronegativity of Iron is the tendency of its atom participating in a covalent bond to attract the bonding electrons. Iron has 1.83 electronegativity.

### Electron affinity of Iron

Electron affinity of Iron gas is the energy released when one electron is added to a neutral atom to form an anion. The electron affinity of Iron is 15.7 kJ/mol

### First ionization energy of Iron

It is the energy to remove the outermost electron from the neutral atom in the gas phase. The first ionization energy of Iron is 762.5 kJ/mol

## Atomic properties

Term Symbol of Iron

The term symbol specifies the electronic state of an atom. The term symbol of Iron atom is 5D 4

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

Covalent radius is the measurement of an atom's size that forms a covalent bond. The covalent radius of Iron is 132 pm.

## Abundances of Iron

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

### Abundance of Iron in the universe

The abundance of Iron in the universe is 0.11 mass %

### Abundance of Iron in the solar system

The abundance of Iron in the solar system is 0.1 mass %

### Abundance of Iron in earth's crust

The abundance of Iron in earth's crust is 6.3 mass %

### Abundance of Iron in ocean

The abundance of Iron in ocean is 3 x 10-7 mass %

### Universe Molar Abundances of Iron

The universe molar abundances of Iron is 0.002 mol %

### Solar Molar Abundances of Iron

The solar molar abundances of Iron is 0.003 mol %

### Ocean Molar Abundances of Iron

The ocean molar abundances of Iron is 3.3 x 10-8 mol %

### Crust Molar Abundances of Iron

The crust molar abundances of Iron is 2.3 mol %

### Human Molar Abundances of Iron

The crust molar abundances of Iron is 6.7 x 10-4 mol %

## Nuclear properties of Iron

### Half life of Iron

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

### Stable isotopes of Iron

The stable isotopes of Iron are 56 Fe (91.754%)

### Nuclear Spin of Iron

The nuclear spin of Iron is 54 Fe: 0+

### Unstable isotopes of Iron

The unstable isotopes of Iron is 60 Fe (2.6 Myr)

### Neutron Cross Section of Iron

The neutron cross section of Iron is 2.56 b

## Identifiers of Iron

### CAS Number of Iron

The CAS number of Iron is 7439-89-6

### PubChem CID number of Iron

The PubChem CID number of Iron is 23925