Silicon is the fourteenth 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 Silicon

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 Silicon are:

### Atomic Symbol of Silicon

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

### Atomic Number of Silicon

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 Silicon is 14. This shows Silicon is the fourteenth element of the periodic table.

### Short Electronic Configuration of Silicon

Short Electronic Configuration of Silicon is [Ne]3s2 3p 2

### Block of Silicon in Periodic Table

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

### Group of Silicon in Periodic Table

Groups are the columns of the periodic table and Silicon belongs to the fourteenth group.

### Period of Silicon in Periodic Table

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

### Atomic Mass of Silicon

Atomic mass is the mass of an atom and the atomic mass of Silicon is 28.085 u. If we round off the atomic mass of Silicon, we get 22.1 u.

## Thermodynamic properties of Silicon

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 Silicon are:

### Phase at STP

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

### Melting Point of Silicon

Melting point is a temperature at which an element of substance changes its state from solid to liquid. The melting point of Silicon gas is 1414 °C.

### Boiling Point of Silicon

A boiling point is a temperature at which an element of a substance starts turning into vapors. The boiling point of Silicon gas is 2900 °C.

### Molar Heat of Fusion of Silicon

Molar Heat of Fusion is the energy required to melt each mole of substance. The molar heat of fusion of Silicon is 50.2 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 Silicon gas is 359 kJ/mol.

### Specific heat at STP

The specific heat of Silicon at STP is 710 J(kgK).

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

## Material properties

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

### Density of Silicon

The density of Silicon element is  2.33 g/cm3

### Liquid Density of Silicon element

The liquid density of Silicon atom is 2.57 g/cm3

### Molar Volume of Silicon

The molar volume of Silicon is 12.053/mol

### Mohs hardness of Silicon Atom

The mohs hardness of Silicon element is 6.5

### Bulk modulus of Silicon Gas

The bulk modulus of Silicon Gas is 100 GPa

### Young's modulus of Silicon

The young's modulus of Silicon atom 47 GPa

### Sound speed of Silicon atom

The sound speed of Silicon gas is 2200 m/s

### Thermal expansion of Silicon

The thermal expansion of Silicon is 2.6 x -6 K-1

### Thermal Conductivity of Silicon

The thermal conductivity of Silicon is 150 W/(mK)

These are the main material properties of Silicon.

## Electromagnetic properties of Silicon

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

### Electric type of Silicon

The magnetic type Silicon refers to the fact that it is a semiconductor.

### Resistivity of Silicon element

The resistivity of Silicon element is 0.001 Ωm

### Electrical conductivity of Silicon gas

The electrical conductivity of Silicon element is 1000 s/m

### Magnetic type of Silicon element

The magnetic type of Silicon atom is diamagnetic

### Volume Magnetic Susceptibility of Silicon

The volume magnetic susceptibility of Silicon is -3.73 x 10 -6

### Mass Magnetic Susceptibility of Silicon

The mass magnetic susceptibility of Silicon is -1.6 x 10-9 m3/kg

### Molar Magnetic Susceptibility of Silicon

The molar magnetic susceptibility of Silicon gas is -4.49 x 10-10 m3/mol

### Color of Silicon Gas

The color of Silicon gas is gray.

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

## Reactivity of Silicon

### Valency of Silicon

The valency of a Silicon element is a number that represents the ability of an atom to combine with other atoms. The valency of Silicon is 4.

### Electronegativity of Silicon

Electronegativity of Silicon is the tendency of its atom participating in a covalent bond to attract the bonding electrons. Silicon has 1.9 electronegativity.

### Electron affinity of Silicon

Electron affinity of Silicon gas is the energy released when one electron is added to a neutral atom to form an anion. The electron affinity of Silicon is 133.6 kJ/mol

### First ionization energy of Silicon

It is the energy to remove the outermost electron from the neutral atom in the gas phase. The first ionization energy of Silicon is 786.5 kJ/mol

## Atomic properties

Term Symbol of Silicon

The term symbol specifies the electronic state of an atom. The term symbol of Silicon atom is 2 P 0

The total distance from an atom's nucleus to the outermost orbital of an electron is its atomic radius. The atomic radius of Silicon is 110 pm.

Covalent radius is the measurement of an atom's size that forms a covalent bond. The covalent radius of Silicon is 111 pm.

### Van der Waals Radius of Silicon

Van der waals radius is the measurement for the size of an atom that is not chemically bonded. The van der Waals radius of Silicon is 210 pm.

## Abundances of Silicon

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

### Abundance of Silicon in the universe

The abundance of Silicon in the universe is 0.07 mass %

### Abundance of Silicon in the solar system

The abundance of Silicon in the solar system is 0.09 mass %

### Abundance of Silicon in earth's crust

The abundance of Silicon in earth's crust is 27 mass %

### Abundance of Silicon in ocean

The abundance of Silicon in ocean is 1 x 10-4 mass %

### Universe Molar Abundances of Silicon

The universe molar abundances of Silicon is 0.003 mol %

### Solar Molar Abundances of Silicon

The solar molar abundances of Silicon is 0.004 mol %

### Ocean Molar Abundances of Silicon

The ocean molar abundances of Silicon is 2.2 x 10-5 mol %

### Crust Molar Abundances of Silicon

The crust molar abundances of Silicon is 20 mol %

### Human Molar Abundances of Silicon

The crust molar abundances of Silicon is 0.0058 mol %

## Nuclear properties of Silicon

### Half life of Silicon

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

### Stable isotopes of Silicon

The stable isotopes of Silicon are 28 Si (92.23%)

### Nuclear Spin of Silicon

The nuclear spin of Silicon is 28 Si : 0+

### Unstable isotopes of Silicon

The unstable isotopes of Silicon is 32 Si (153 yr)

### Neutron Cross Section of Silicon

The neutron cross section of Silicon is 0.166 b

## Identifiers of Silicon

### CAS Number of Silicon

The CAS number of Silicon is 7440-21-3

### PubChem CID number of Silicon

The PubChem CID number of Silicon is 5461123

## 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