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Carbon is an component with symbol C and atomic figure 6. As it is a member of group 14 on the periodic tabular array, it is nonmetallic and tetravalent.i.e. has four negatrons free to organize covalent chemical bonds. There are three isotopes that occur in nature, with 12C and 13C being stable, while 14C is radioactive, disintegrating with a half life of about 5730A old ages. The English name C comes from the Latin “ carbo ” which means “ burned wood ” .

Carbon is an component of prehistoric find and was known in the signifiers of carbon black and wood coal to the earliest human civilisations. Charcoal was prepared around Roman times by the same chemical science as it is at present, by heating wood in a pyramid covered with clay to except air. Today, the best known allotropes of C are Diamond and Graphite. Diamonds were likely known every bit early as 2500A BCE in China.


It is really widely spread in nature, for illustration ; in the Sun, stars, comets, and ambiances of most planets. It is besides found in some meteorites in the signifier of microscopic diamonds.

Carbon is the 15th most occurring component in the Earth ‘s crust and 4th in the existence by mass after H, He, and O. It exists in all known life signifiers, and is the 2nd most abundant component by mass after O in the human organic structure.


Pure C has a really short-life ; hence, C is stabilized in a assortment of multi-atomic constructions with different molecular constellations called allotropes. Amorphous C, black lead, and diamond are the three best-known allotropes of Carbon.

The physical belongingss of C vary widely with the allotropic signifier. For illustration, diamond is known to be the hardest substance that occurs in nature, whereas black lead is one of the softest substances known.

Diamond is extremely crystalline, while black lead is opaque and black. Diamond is non a really good electrical music director, while black lead has a really high electrical conduction.

Under normal conditions, diamond has the highest thermic conduction of all known stuffs. All the allotropic signifiers are solids under normal conditions but black lead is the most thermodynamically stable.

Chemical Properties:

Carbon can organize both Organic every bit good as Inorganic Compounds. Along with the singularity of C in its pure signifier, it is besides interesting in other signifiers. It shows its capableness to function as a linking block in a subdivision of chemical science that we refer to as “ Organic Chemistry ” that is chiefly approximately Organic Compounds of Carbon.

Organic Chemistry:

Organic Compounds:

As the name suggests, Organic Chemistry is a subdivision of chemical science that focuses on the chemical science of life. It is besides about the chemical science required to bring forth dissolvers, fuels, pharmaceuticals, plastics, refrigerants, lubricators etc.

One of the belongingss that give rise to C ‘s singularity is its aptitude to make four covalent bonds leting it to link to itself in order to bring forth C ironss of different lengths and constellations, or to associate to non-carbon atoms to organize compounds with alone and particular chemical belongingss. The chain-forming belongings of Carbon is known as Catenation.

Hydrogen has a particular place in Organic Chemistry. Wherever a Carbon atom bonds with a H atom, the C concatenation ends. This peculiar association between C and H is so important that it leads to a sub-class of chemicals known as “ Hydrocarbons ” which consists of compounds made up of merely Hydrogen and Carbon atoms.

Factors that affect the features and belongingss of organic molecules the most are Chain length, side ironss and functional groups of the molecule.

Carbon is present in all known organic life and is the base of organic chemical science. Carbon forms many groups of indispensable biological compounds like sugars, lignins, chitins, intoxicants and fats when combined with Oxygen and Hydrogen. On add-on of N, it forms alkaloids, and on adding S besides, it forms antibiotics, aminic acids, and gum elastic merchandises. With the add-on of P to these other elements, it forms DNA and RNA [ the chemical-code bearers of life ] and adenosine triphosphate ( ATP ) [ the most of import energy-transfer molecule in all life cells ] .

Carbon is a food of great significance in the organic structure, and is hence greatly required. The fact that every portion of the organic structure has and needs big sums of this component is a cogent evidence of its significance. It is used as a edifice block for several complex and critical life processes. It is the C in our organic structures that brings the assorted atoms inside the organic structure together, and makes them put to death actions that help growing, in a incorporate manner.

Formation of Organic Compounds:

Carbon requires 8 negatrons to finish its valency shell. Therefore, it forms 4 bonds with other atoms ( each bond consists of one of the bonding atom ‘s negatrons and one of C ‘s ) . All valency negatrons participate in adhering. These bonds form a tetrahedron, as illustrated below:

Carbon forms four bonds

Organic chemicals get their assortment from the assorted ways C bonds to other atoms. The simplest of organic chemicals, known as hydrocarbons, contain merely C and H atoms ; the simplest hydrocarbon ( named methane ) consists of a individual C atom which is bonded to 4 H atoms:

Methane-a Carbon atom bonded to four Hydrogen atoms

But C can bond to other C atoms in add-on to H:

Ethane- a Carbon-Carbon bond

It can bond to itself in many different ways.

Carbon atoms can organize:

Long ironss:

Hexane-a 6-Carbon concatenation

Branched ironss:

Isohexane-a branched Carbon concatenation


Cyclohexane-a ringed Hydrocarbon

To add to the complications of organic chemical science, along with individual carbon-carbon bonds, C atoms can besides organize dual and ternary bonds with each other:

Single Bonding Double Bonding Triple Bonding


Methane seriess are the first set of simple hydrocarbons and consist merely of carbon-carbon individual bonds. The methane seriess are named by adding with the root stoping “ ane ” , a prefix that describes the figure of C atoms in the molecule.

The chemical expression for all methane seriess is given by the look CnH2n+2. The structural expression of a compound shows each C atom and the elements that are attached to it.

The 2nd category of simple hydrocarbons, the olefines, consists of molecules that contain at least one double-bonded C brace. Alkenes follow the same naming regulation used for methane seriess. A prefix ( the figure of C atoms ) is combined with the stoping “ east northeast ” that denotes an olefine.

Ethene, for illustration is the two-carbon molecule that has one dual bond. The chemical expression for the simple olefines follows the look CnH2n. As one of the C brace is dual bonded, simple olefines have two fewer H atoms than methane seriess.


Applications and Uses:

Carbon in its assorted signifiers has a legion utilizations, a few of which are:

The lead in lead pencils is formed by blending black lead with clay.

Diamonds are used in jewelry, as an abradant for mechanical grinding and excavation every bit good as for cutting tools.

“ Carbon black ” or carbon black is used as a stuff for light soaking up.

Coal, which is a signifier of C, is used as a fuel for warming, transit and for bring forthing electricity.

Hydrocarbons are chiefly derived from rough oil from dodo fuels, they are developed from their natural signifier to be used as fuels and lubricators, and as the base for fabricating organic chemicals which are used in the plastic and pharmaceutical industries.

Graphite pulverization is used as a dry lubricator in machinery.

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