Carbon, a chemicalelement v the symbol C and also atomic number 6, is a non-metallic facet withdifferent appearance method graphite has actually a black, metallic appearance when diamondhas a clean appearance. Carbon has three naturally emerging isotopes: 12C &13C (stable), and also 14C (radioactive).

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Carbon is thefourth many abundant facet in the cosmos after hydrogen, helium, andoxygen. Largely it is discovered in the type of necessary compounds, and with combinewith wait in the kind of carbon dioxide (CO2). The carbon atoms deserve to bond togetherin varied forms which result in the development of various allotropes. Graphite, diamond,and buckminsterfullerene room the best-known allotropes of carbon.

You are below toknow valence electrons of carbon atom, aren’t you? Don’t worry together with carbonvalence electrons we will describe its valency also. But prior to that let’s havesome basic ideas around what these two terms are:

Difference BetweenValence Electrons and also Valency

Valence electronsare the total variety of electrons current in the outermost shell of one atom(i.e. In outermost orbital). The valence electrons for a neutral atom is alwaysdefinite, it cannot be varied (more or less) in any kind of condition because that a particularatom and may or may not be equal to the valency.


Valency is definedas the total variety of electrons one atom deserve to lose, gain, or share in ~ the timeof bond development to gain a stable digital configuration i.e. To finish anoctet. The valency of one atom can be variable in various compounds or chemicalreactions as result of the various bonding circumstances. Many of the time valencyvaries/changes early out to change in oxidation and reduction states.

Carbon (C) ValenceElectrons

There room foursimple steps to find out the valence electrons because that carbon atom i beg your pardon are:

Step 1: find theAtomic Number


To discover out theatomic variety of carbon, we can use the periodic table. Through the assist of theperiodic table, we can conveniently see the the atomic number of carbon is 6. Together itsatomic number is 6, it has actually six protons, and also for neutral carbon, the number ofprotons are always equal to the variety of electrons i.e. Has actually six electrons inits nucleus.

Step 2: WriteElectron Configuration


Electronconfiguration is the plan of electron on the orbitals. The carbon atomhas a total of 5 electrons so, we need to put 6 electron in orbitals. The electronswill be put in various orbitals follow to the power level: <1s, 2s,2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f>. Now,

Carbon electronconfiguration C (6) =1s22s22p2(completeconfiguration).

= 2s22p2(condensed configuration).

Step3: DetermineValence Shell

As us know, thevalence shell of one atom deserve to be found from the highest variety of principlequantum number which space expressed in the hatchet of n, and also in 2s22p2, thehighest value of n is 2 so the the valence shell of B is2s22p2.

Step 4: FindValence Electrons

The total number ofelectrons present in the valence shell of an atom are dubbed valence electrons,and there room a complete of 4 electrons present in the valence shell of carbon(2s22p2). Thus,carbon has 4 valence electrons.

Valency the Carbon (C)

There room manydifferent methods to uncover out the valency of one atom which reflects the ability ofan atom come bond with other atoms. Valence describes how easily an atom or afree radical can combine with various other chemical species. The valency of one atom isdetermined based on the number of electrons lost, gained, or common withanother atom at the moment of bond formation.

An atom is said tobe stable as soon as its outermost shells have actually eight electron (except H & He).If the total variety of electrons in outermost shells is in between one to four,the atom has actually positive valency and also if electrons are in between four to eight, thevalency is calculate by individually from eight and valency will certainly be zero. Atomshaving 4 outermost electrons possess both positive and an adverse valency, andatoms having eight outermost electrons, valency will be zero (i.e. Noblegases).

Elements choose carboncan with the stable state (nearest inert gas configuration) either by shedding 4outermost electron or by getting 4 electrons.So the the valency that carbonis 4 (tetravalency).

Note: Carbon hasboth +4 & -4 valency/oxidation states. If that loses 3 electrons to with a stablestate (i.e. He), the valency will be +4. However if the gains five electrons toreach a steady state (i.e. Ne), its valency will be -4 as defined above. For example in CO2, the oxidation state that carbon is +4 while in CH4, the oxidation state is -4.

In another sense, acarbon atom can type four covalent bond in chemistry bonding (For example CH4,CCl4, etc.), and that what valency is, the maximum ability to form bonds withdifferent atom at the moment of chemical reactions.

We can additionally find the valency of carbon with thehelp that the periodic table. Together carbon belonging to group 14 (IVa) follow me withsilicon (Si), germanium (Ge), believe (Sn), lead (Pb), and flerovium (Fl). Every theseelements have actually a valency state of four (tetravalent).

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Clarification: Valency is the combining volume of an element at the time of chemistry bonding. So the valency cannot be an adverse or positive, it is just a number value in between 0 to 4.