What Is The Valency Of Carbon?


Valency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules. Carbon has four valence electrons and here a valence of carbon is four.

Electronic configuration of carbon (C = 6) = 1s2 2s2 2p2 = [He]  2s2 2p2

The valency of Carbon depends on the following factors:

  • To complete the octet structure, either carbon gains four electrons or lose four electrons.
  • However, if Carbon gains electrons then it would be hard for the nucleus to hold four additional electrons as carbon atom is very small in size.
  • If Carbon losses its electrons then it required a large amount of energy to remove four electrons of the nucleus.
  • Carbon makes four covalent bonds and attains the noble gas configuration by sharing it’s valence electrons.

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